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Skin Diseases

Categorical breakdown of terms falling inder the category of Skin Diseases. Sub categories will become more specific in nature to the terms listed for Skin Diseases.

Sub-Categories

Terms

Acantholysis - Separation of the prickle cells of the stratum spinosum of the epidermis, resulting in atrophy of th...

Acanthosis Nigricans - A circumscribed melanosis consisting of a brown-pigmented, velvety verrucosity or fine papillomatosi...

Acne Keloid - A type of acneiform disorder in which secondary pyogenic infection in and around pilosebaceous struc...

Acne Vulgaris - A chronic disorder of the pilosebaceous apparatus associated with an increase in sebum secretion. It...

Acneiform Eruptions - Visible efflorescent lesions of the skin caused by acne or resembling acne. (Dorland, 28th ed, p18, ...

Acrodermatitis - Inflammation involving the skin of the extremities, especially the hands and feet. Several forms are...

Actinomycosis, Cervicofacial - A form of ACTINOMYCOSIS characterized by slow-growing inflammatory lesions of the lymph nodes that d...

Acute Generalized Exanthematous Pustulosis - A rare skin eruption that is characterized by acute, extensive formation of sterile pustules, fever,...

Adiposis Dolorosa - A rare disease characterized by multiple tumor-like fatty deposits that press on nerves in various s...

Albinism - General term for a number of inherited defects of amino acid metabolism in which there is a deficien...

Albinism, Ocular - Albinism affecting the eye in which pigment of the hair and skin is normal or only slightly diluted....

Albinism, Oculocutaneous - Heterogeneous group of autosomal recessive disorders comprising at least four recognized types, all ...

Alopecia - Absence of hair from areas where it is normally present....

Alopecia Areata - A microscopically inflammatory, usually reversible, patchy hair loss occurring in sharply defined ar...

Anetoderma - Benign DERMATOSIS caused by a loss of dermal ELASTIC TISSUE resulting in localized sac-like areas of...

Angioedema - Swelling involving the deep DERMIS, subcutaneous, or submucosal tissues, representing localized EDEM...

Angioedemas, Hereditary - Inherited disorders that are characterized by subcutaneous and submucosal EDEMA in the upper RESPIRA...

Angiolymphoid Hyperplasia with Eosinophilia - Solitary or multiple benign cutaneous nodules comprised of immature and mature vascular structures i...

Angiomatosis, Bacillary - A reactive vascular proliferation that is characterized by the multiple tumor-like lesions in skin, ...

Argyria - A permanent ashen-gray discoloration of the skin, conjunctiva, and internal organs resulting from lo...

Arthritis, Psoriatic - A type of inflammatory arthritis associated with PSORIASIS, often involving the axial joints and the...

Behcet Syndrome - Rare chronic inflammatory disease involving the small blood vessels. It is of unknown etiology and c...

Blastomycosis - A fungal infection that may appear in two forms: 1, a primary lesion characterized by the formation ...

Blister - Visible accumulations of fluid within or beneath the epidermis....

Breast Cyst - A fluid-filled closed cavity or sac that is lined by an EPITHELIUM and found in the BREAST. It may a...

Breast Diseases - Pathological processes of the BREAST....

Breast Neoplasms - Tumors or cancer of the human BREAST....

Breast Neoplasms, Male - Any neoplasms of the male breast. These occur infrequently in males in developed countries, the inci...

Buruli Ulcer - A lesion in the skin and subcutaneous tissues due to infections by MYCOBACTERIUM ULCERANS. It was fi...

Cafe-au-Lait Spots - Light brown pigmented macules associated with NEUROFIBROMATOSIS and Albright's syndrome (see FIBROUS...

Callosities - Localized hyperplasia of the horny layer of the epidermis due to pressure or friction. (Dorland, 27t...

Candidiasis, Chronic Mucocutaneous - A clinical syndrome characterized by development, usually in infancy or childhood, of a chronic, oft...

Candidiasis, Cutaneous - Candidiasis of the skin manifested as eczema-like lesions of the interdigital spaces, perleche, or c...

Carbuncle - An infection of cutaneous and subcutaneous tissue that consists of a cluster of boils. Commonly, the...

Carcinoma, Ductal, Breast - An invasive (infiltrating) CARCINOMA of the mammary ductal system (MAMMARY GLANDS) in the human BREA...

Chiari-Frommel Syndrome - A POSTPARTUM condition consists of persistent lactation (GALACTORRHEA) and AMENORRHEA in patients no...

Chloracne - ACNE-like skin eruptions caused by exposure to CHLORINE-containing compounds. Exposure can be by inh...

Cholesteatoma - A non-neoplastic mass of keratin-producing squamous EPITHELIUM, frequently occurring in the MENINGES...

Cholesteatoma, Middle Ear - A mass of KERATIN-producing squamous EPITHELIUM that resembles an inverted (suck-in) bag of skin in ...

Chromoblastomycosis - Scaly papule or warty growth, caused by five fungi, that spreads as a result of satellite lesions af...

Condylomata Acuminata - Sexually transmitted form of anogenital warty growth caused by the human papillomaviruses....

Coproporphyria, Hereditary - An autosomal dominant porphyria that is due to a deficiency of COPROPORPHYRINOGEN OXIDASE in the LIV...

CREST Syndrome - A mild form of LIMITED SCLERODERMA, a multi-system disorder. Its features include symptoms of CALCIN...

Cryopyrin-associated Periodic Syndromes - A group of rare autosomal dominant diseases, commonly characterized by atypical URTICARIA (hives) wi...

Cutaneous Fistula - An abnormal passage or communication leading from an internal organ to the surface of the body....

Cutis Laxa - A group of connective tissue diseases in which skin hangs in loose pendulous folds. It is believed t...

Darier Disease - An autosomal dominantly inherited skin disorder characterized by warty malodorous papules that coale...

Dermatitis - Any inflammation of the skin....

Dermatitis Herpetiformis - Rare, chronic, papulo-vesicular disease characterized by an intensely pruritic eruption consisting o...

Dermatitis, Allergic Contact - A contact dermatitis due to allergic sensitization to various substances. These substances subsequen...

Dermatitis, Atopic - A chronic inflammatory genetically determined disease of the skin marked by increased ability to for...

Dermatitis, Contact - A type of acute or chronic skin reaction in which sensitivity is manifested by reactivity to materia...

Dermatitis, Exfoliative - The widespread involvement of the skin by a scaly, erythematous dermatitis occurring either as a sec...

Dermatitis, Irritant - A non-allergic contact dermatitis caused by prolonged exposure to irritants and not explained by del...

Dermatitis, Occupational - A recurrent contact dermatitis caused by substances found in the work place....

Dermatitis, Perioral - A papular eruption of unknown etiology that progresses to residual papular erythema and scaling usua...

Dermatitis, Photoallergic - A delayed hypersensitivity involving the reaction between sunlight or other radiant energy source an...

Dermatitis, Phototoxic - A nonimmunologic, chemically induced type of photosensitivity producing a sometimes vesiculating der...

Dermatitis, Seborrheic - A chronic inflammatory disease of the skin with unknown etiology. It is characterized by moderate ER...

Dermatitis, Toxicodendron - An allergic contact dermatitis caused by exposure to plants of the genus Toxicodendron (formerly Rhu...

Dermatomycoses - Superficial infections of the skin or its appendages by any of various fungi....

Dermatomyositis - A subacute or chronic inflammatory disease of muscle and skin, marked by proximal muscle weakness an...

Diabetic Foot - Common foot problems in persons with DIABETES MELLITUS, caused by any combination of factors such as...

Diaper Rash - A type of irritant dermatitis localized to the area in contact with a diaper and occurring most ofte...

Drug Eruptions - Adverse cutaneous reactions caused by ingestion, parenteral use, or local application of a drug. The...

Dyskeratosis Congenita - A predominantly X-linked recessive syndrome characterized by a triad of reticular skin pigmentation,...

Ecthyma - An ulcerative pyoderma usually caused by group A beta-hemolytic streptococcal infection at the site ...

Ectodermal Dysplasia - A group of hereditary disorders involving tissues and structures derived from the embryonic ectoderm...

Ectodermal Dysplasia 1, Anhidrotic - An X-linked form of ectodermal dysplasia which results from mutations of the gene encoding ECTODYSPL...

Ectodermal Dysplasia 3, Anhidrotic - An autosomal dominant form of ectodermal dysplasia which is due to mutations in the gene for the EDA...

Ectodermal Dysplasia, Hypohidrotic, Autosomal Recessive - An autosomal recessive form of ectodermal dysplasia which is due to mutations in the gene for the E...

Eczema - A pruritic papulovesicular dermatitis occurring as a reaction to many endogenous and exogenous agent...

Eczema, Dyshidrotic - A recurrent eczematous reaction characterized by the development of vesicular eruptions on the palms...

Ehlers-Danlos Syndrome - A heterogeneous group of autosomally inherited COLLAGEN DISEASES caused by defects in the synthesis ...

Ellis-Van Creveld Syndrome - Dwarfism occurring in association with defective development of skin, hair, and teeth, polydactyly, ...

Epidermal Necrolysis, Toxic - An exfoliative disease of skin seen primarily in adults and characterized by flaccid bullae and spre...

Epidermodysplasia Verruciformis - An autosomal recessive trait with impaired cell-mediated immunity. About 15 human papillomaviruses a...

Epidermolysis Bullosa - Group of genetically determined disorders characterized by the blistering of skin and mucosae. There...

Epidermolysis Bullosa Acquisita - Form of epidermolysis bullosa characterized by trauma-induced, subepidermal blistering with no famil...

Epidermolysis Bullosa Dystrophica - Form of epidermolysis bullosa characterized by atrophy of blistered areas, severe scarring, and nail...

Epidermolysis Bullosa Simplex - A form of epidermolysis bullosa characterized by serous bullae that heal without scarring. Mutations...

Epidermolysis Bullosa, Junctional - Form of epidermolysis bullosa having onset at birth or during the neonatal period and transmitted th...

Erysipelas - An acute infection of the skin caused by species of STREPTOCOCCUS. This disease most frequently affe...

Erythema - Redness of the skin produced by congestion of the capillaries. This condition may result from a vari...

Erythema Chronicum Migrans - A deep type of gyrate erythema that follows a bite by an ixodid tick; it is a stage-1 manifestation ...

Erythema Induratum - A type of panniculitis characterized histologically by the presence of granulomas, vasculitis, and n...

Erythema Infectiosum - Contagious infection with human B19 Parvovirus most commonly seen in school age children and charact...

Erythema Multiforme - A skin and mucous membrane disease characterized by an eruption of macules, papules, nodules, vesicl...

Erythema Nodosum - An erythematous eruption commonly associated with drug reactions or infection and characterized by i...

Erythrasma - A chronic bacterial infection of major folds of the skin, caused by Corynebacterium minutissimum....

Erythrokeratodermia Variabilis - An autosomal dominant skin disease characterized by transient and variable noninflammatory ERYTHEMA ...

Exanthema - Diseases in which skin eruptions or rashes are a prominent manifestation. Classically, six such dise...

Exanthema Subitum - An acute, short-lived, viral disease of infants and young children characterized by a high fever at ...

Fibrocystic Breast Disease - A common and benign breast disease characterized by varying degree of fibrocystic changes in the bre...

Focal Dermal Hypoplasia - A genetic skin disease characterized by hypoplasia of the dermis, herniations of fat, and hand anoma...

Folliculitis - Inflammation of follicles, primarily hair follicles....

Foot Dermatoses - Skin diseases of the foot, general or unspecified....

Foot Diseases - Anatomical and functional disorders affecting the foot....

Foot Ulcer - Lesion on the surface of the skin of the foot, usually accompanied by inflammation. The lesion may b...

Fox-Fordyce Disease - Chronic pruritic disease, usually in women, characterized by small follicular papular eruptions in a...

Furunculosis - A persistent skin infection marked by the presence of furuncles, often chronic and recurrent. In hum...

Galactorrhea - Excessive or inappropriate LACTATION in females or males, and not necessarily related to PREGNANCY. ...

Giant Cell Arteritis - A systemic autoimmune disorder that typically affects medium and large ARTERIES, usually leading to ...

Granuloma Annulare - Benign granulomatous disease of unknown etiology characterized by a ring of localized or disseminate...

Granuloma Inguinale - Anogenital ulcers caused by Calymmatobacterium granulomatis as distinguished from lymphogranuloma in...

Gynecomastia - Enlargement of the BREAST in the males, caused by an excess of ESTROGENS. Physiological gynecomastia...

Hair Diseases - Diseases affecting the orderly growth and persistence of hair....

Hereditary Angioedema Type III - A form of hereditary angioedema that occurs in women and is precipitated or worsened by high ESTROGE...

Hereditary Angioedema Types I and II - Forms of hereditary angioedema that occur due to mutations in the gene for COMPLEMENT C1 INHIBITOR P...

Hereditary Autoinflammatory Diseases - Hereditary inflammation conditions, characterized by recurrent episodes of systemic inflammation. Co...

Hermanski-Pudlak Syndrome - Syndrome characterized by the triad of oculocutaneous albinism (ALBINISM, OCULOCUTANEOUS); PLATELET ...

Herpes Labialis - Herpes simplex, caused by type 1 virus, primarily spread by oral secretions and usually occurring as...

Herpes Simplex - A group of acute infections caused by herpes simplex virus type 1 or type 2 that is characterized by...

Hidradenitis - The inflammation of a sweat gland (usually of the apocrine type). The condition can be idiopathic or...

Hidradenitis Suppurativa - A chronic suppurative and cicatricial disease of the apocrine glands occurring chiefly in the axilla...

Hirsutism - A condition observed in WOMEN and CHILDREN when there is excess coarse body hair of an adult male di...

HIV-Associated Lipodystrophy Syndrome - Defective metabolism leading to fat maldistribution in patients infected with HIV. The etiology appe...

Hydroa Vacciniforme - A vesicular and bullous eruption having a tendency to recur in summer during childhood and commonly ...

Hyperhidrosis - Excessive sweating. In the localized type, the most frequent sites are the palms, soles, axillae, in...

Hyperkeratosis, Epidermolytic - A form of congenital ichthyosis inherited as an autosomal dominant trait and characterized by ERYTHR...

Hyperpigmentation - Excessive pigmentation of the skin, usually as a result of increased epidermal or dermal melanin pig...

Hypertrichosis - Excessive hair growth at inappropriate locations, such as on the extremities, the head, and the back...

Hypohidrosis - Abnormally diminished or absent perspiration. Both generalized and segmented (reduced or absent swea...

Hypopigmentation - A condition caused by a deficiency or a loss of melanin pigmentation in the epidermis, also known as...

Hypotrichosis - Presence of less than the normal amount of hair. (Dorland, 27th ed)...

Ichthyosiform Erythroderma, Congenital - Designation for several severe forms of ichthyosis, present at birth, that are characterized by hype...

Ichthyosis - Any of several generalized skin disorders characterized by dryness, roughness, and scaliness, due to...

Ichthyosis Bullosa of Siemens - An autosomal dominant form of ichthyosis characterized by generalized reddening of the skin (ERYTHEM...

Ichthyosis Vulgaris - Most common form of ICHTHYOSIS characterized by prominent scaling especially on the exterior surface...

Ichthyosis, Lamellar - A chronic, congenital ichthyosis inherited as an autosomal recessive trait. Infants are usually born...

Ichthyosis, X-Linked - Chronic form of ichthyosis that is inherited as a sex-linked recessive trait carried on the X-chromo...

Immersion Foot - A condition of the feet produced by prolonged exposure of the feet to water. Exposure for 48 hours o...

Impetigo - A common superficial bacterial infection caused by STAPHYLOCOCCUS AUREUS or group A beta-hemolytic s...

Incontinentia Pigmenti - A genodermatosis occurring mostly in females and characterized by skin changes in three phases - ves...

Intertrigo - A superficial dermatitis occurring on skin surfaces in contact with each other, such as the axillae,...

Kaposi Varicelliform Eruption - A disseminated vesicular-pustular eruption caused by the herpes simplex virus (HERPESVIRUS HOMINIS),...

Keratoacanthoma - A benign, non-neoplastic, usually self-limiting epithelial lesion closely resembling squamous cell c...

Keratoderma, Palmoplantar - Group of mostly hereditary disorders characterized by thickening of the palms and soles as a result ...

Keratoderma, Palmoplantar, Diffuse - An autosomal dominant disorder characterized by a widely distributed, well-demarcated hyperkeratosis...

Keratoderma, Palmoplantar, Epidermolytic - An autosomal dominant hereditary skin disease characterized by epidermolytic hyperkeratosis that is ...

Keratosis - Any horny growth such as a wart or callus....

Keratosis, Actinic - White or pink lesions on the arms, hands, face, or scalp that arise from sun-induced DNA DAMAGE to K...

Keratosis, Seborrheic - Benign eccrine poromas that present as multiple oval, brown-to-black plaques, located mostly on the ...

Lactation Disorders - Disturbances of MILK secretion in either SEX, not necessarily related to PREGNANCY....

Larva Migrans - Infections caused by nematode larvae which never develop into the adult stage and migrate through va...

Leg Dermatoses - A nonspecific term used to denote any cutaneous lesion or group of lesions, or eruptions of any type...

Leg Ulcer - Ulceration of the skin and underlying structures of the lower extremity. About 90% of the cases are ...

Leishmaniasis - A disease caused by any of a number of species of protozoa in the genus LEISHMANIA. There are four m...

Leishmaniasis, Cutaneous - An endemic disease that is characterized by the development of single or multiple localized lesions ...

Leishmaniasis, Diffuse Cutaneous - A form of LEISHMANIASIS, CUTANEOUS caused by Leishmania aethiopica in Ethiopia and Kenya, L. pifanoi...

Leishmaniasis, Mucocutaneous - A disease characterized by the chronic, progressive spread of lesions from New World cutaneous leish...

Lentigo - Small circumscribed melanoses resembling, but differing histologically from, freckles. The concept i...

LEOPARD Syndrome - An autosomal dominant disorder with an acronym of its seven features (LENTIGO; ELECTROCARDIOGRAM abn...

Leukokeratosis, Hereditary Mucosal - An autosomal dominant disorder that is manifested by thickened spongiform ORAL MUCOSA with a white o...

Lice Infestations - Parasitic attack or subsistence on the skin by members of the order Phthiraptera, especially on huma...

Lichen Nitidus - A chronic inflammatory disease characterized by shiny, flat-topped, usually flesh-colored micropapul...

Lichen Planus - An inflammatory, pruritic disease of the skin and mucous membranes, which can be either generalized ...

Lichen Planus, Oral - Oral lesions accompanying cutaneous lichen planus or often occurring alone. The buccal mucosa, lips,...

Lichen Sclerosus et Atrophicus - A chronic inflammatory mucocutaneous disease usually affecting the female genitalia (VULVAR LICHEN S...

Lichenoid Eruptions - Conditions in which there is histological damage to the lower epidermis along with a grouped chronic...

Lipodystrophy - A collection of heterogenous conditions resulting from defective LIPID METABOLISM and characterized ...

Lipodystrophy, Congenital Generalized - Congenital disorders, usually autosomal recessive, characterized by severe generalized lack of ADIPO...

Lipodystrophy, Familial Partial - Inherited conditions characterized by the partial loss of ADIPOSE TISSUE, either confined to the ext...

Lipoid Proteinosis of Urbach and Wiethe - An autosomal recessive disorder characterized by glassy degenerative thickening (hyalinosis) of SKIN...

Lipomatosis - A disorder characterized by the accumulation of encapsulated or unencapsulated tumor-like fatty tiss...

Lipomatosis, Multiple Symmetrical - A condition characterized by the growth of unencapsulated masses of ADIPOSE TISSUE symmetrically dep...

Livedo Reticularis - A condition characterized by a reticular or fishnet pattern on the skin of lower extremities and oth...

Lupus Erythematosus, Cutaneous - A form of lupus erythematosus in which the skin may be the only organ involved or in which skin invo...

Lupus Erythematosus, Discoid - A chronic form of cutaneous lupus erythematosus (LUPUS ERYTHEMATOSUS, CUTANEOUS) in which the skin l...

Lupus Vulgaris - A form of cutaneous tuberculosis. It is seen predominantly in women and typically involves the NASAL...

Malignant Atrophic Papulosis - Variously described as a vasculopathy, endovasculitis, or occlusive arteriopathy, this condition occ...

Mastitis - INFLAMMATION of the BREAST, or MAMMARY GLAND....

Mastocytoma - A solid tumor consisting of a dense infiltration of MAST CELLS. It is generally benign....

Mastocytoma, Skin - A variant of cutaneous mastocytosis which occurs as a single lesion usually in infants. It is found ...

Mastocytosis - A heterogenous group of disorders characterized by the abnormal increase of MAST CELLS in only the s...

Mastocytosis, Cutaneous - Skin lesions due to abnormal infiltration of MAST CELLS. Cutaneous mastocytosis is confined to the s...

Melanosis - Disorders of increased melanin pigmentation that develop without preceding inflammatory disease....

Menkes Kinky Hair Syndrome - An inherited disorder of copper metabolism transmitted as an X-linked trait and characterized by the...

Miliaria - A syndrome of cutaneous changes associated with sweat retention and extravasation of sweat at differ...

Molluscum Contagiosum - A common, benign, usually self-limited viral infection of the skin and occasionally the conjunctivae...

Monilethrix - Rare autosomal dominant disorder of the hair shaft. The clinical features of the disease include HYP...

Morgellons Disease - An unexplained illness which is characterized by skin manifestations including non-healing lesions, ...

Mucinosis, Follicular - A disease of the pilosebaceous unit, presenting clinically as grouped follicular papules or plaques ...

Mucocutaneous Lymph Node Syndrome - An acute, febrile, mucocutaneous condition accompanied by swelling of cervical lymph nodes in infant...

Muir-Torre Syndrome - A form of LYNCH SYNDROME II associated with cutaneous SEBACEOUS GLAND NEOPLASMS. Muir-Torre syndrome...

Mycetoma - A chronic progressive subcutaneous infection caused by species of fungi (eumycetoma), or actinomycet...

Nail Diseases - Diseases of the nail plate and tissues surrounding it. The concept is limited to primates....

Nail-Patella Syndrome - A syndrome of multiple abnormalities characterized by the absence or hypoplasia of the PATELLA and c...

Nails, Ingrown - Excessive lateral nail growth into the nail fold. Because the lateral margin of the nail acts as a f...

Necrobiosis Lipoidica - A degenerative disease of the dermal connective tissue characterized by the development of erythemat...

Necrobiotic Disorders - A group of disorders characterized by swelling, basophilia, and distortion of collagen bundles in th...

Nephrogenic Fibrosing Dermopathy - A chronic, acquired, idiopathic, progressive eruption of the skin that occurs in the context of RENA...

Netherton Syndrome - Rare autosomal recessive disease with variable expressions. Clinical features of the disease include...

Neurocutaneous Syndromes - A group of disorders characterized by ectodermal-based malformations and neoplastic growths in the s...

Neurodermatitis - An extremely variable eczematous skin disease that is presumed to be a response to prolonged vigorou...

Onchocerciasis - Infection with nematodes of the genus ONCHOCERCA. Characteristics include the presence of firm subcu...

Onycholysis - Separation of nail plate from the underlying nail bed. It can be a sign of skin disease, infection (...

Onychomycosis - A fungal infection of the nail plate, usually caused by a DERMATOPHYTES; YEASTS; or nondermatophyte ...

Pachyonychia Congenita - A group of inherited ectodermal dysplasias whose most prominent clinical feature is hypertrophic nai...

Panniculitis - General term for inflammation of adipose tissue, usually of the skin, characterized by reddened subc...

Panniculitis, Lupus Erythematosus - A type of lupus erythematosus characterized by deep dermal or subcutaneous nodules, most often on th...

Panniculitis, Nodular Nonsuppurative - A form of panniculitis characterized by recurrent episodes of fever accompanied by the eruption of s...

Papillon-Lefevre Disease - Rare, autosomal recessive disorder occurring between the first and fifth years of life. It is charac...

Paracoccidioidomycosis - A mycosis affecting the skin, mucous membranes, lymph nodes, and internal organs. It is caused by Pa...

Parakeratosis - Persistence of the nuclei of the keratinocytes into the stratum corneum of the skin. This is a norma...

Parapsoriasis - The term applied to a group of relatively uncommon inflammatory, maculopapular, scaly eruptions of u...

Paronychia - An inflammatory reaction involving the folds of the skin surrounding the fingernail. It is character...

Pemphigoid Gestationis - An itching, autoimmune, bullous SKIN disease that occurs during the last two trimesters of PREGNANCY...

Pemphigoid, Benign Mucous Membrane - A chronic blistering disease with predilection for mucous membranes and less frequently the skin, an...

Pemphigoid, Bullous - A chronic and relatively benign subepidermal blistering disease usually of the elderly and without h...

Pemphigus - Group of chronic blistering diseases characterized histologically by ACANTHOLYSIS and blister format...

Pemphigus, Benign Familial - An autosomal dominantly inherited skin disorder characterized by recurrent eruptions of vesicles and...

Peutz-Jeghers Syndrome - A hereditary disease caused by autosomal dominant mutations involving CHROMOSOME 19. It is character...

Photosensitivity Disorders - Abnormal responses to sunlight or artificial light due to extreme reactivity of light-absorbing mole...

Phyllodes Tumor - A type of connective tissue neoplasm arising from intralobular stroma of the BREAST. It is character...

Piebaldism - Autosomal dominant, congenital disorder characterized by localized hypomelanosis of the skin and hai...

Pinta - An infectious disease of the skin caused by Treponema carateum that occurs only in the western hemis...

Pityriasis - A name originally applied to a group of skin diseases characterized by the formation of fine, branny...

Pityriasis Lichenoides - A subgroup of PARAPSORIASIS itself divided into acute and chronic forms. The acute form is character...

Pityriasis Rosea - A mild exanthematous inflammation of unknown etiology. It is characterized by the presence of salmon...

Pityriasis Rubra Pilaris - A chronic skin disease characterized by small follicular papules, disseminated reddish-brown scaly p...

Polyarteritis Nodosa - A form of necrotizing non-granulomatous inflammation occurring primarily in medium-sized ARTERIES, o...

Porokeratosis - A heritable disorder of faulty keratinization characterized by the proliferation of abnormal clones ...

Porphyria Cutanea Tarda - An autosomal dominant or acquired porphyria due to a deficiency of UROPORPHYRINOGEN DECARBOXYLASE in...

Porphyria, Acute Intermittent - An autosomal dominant porphyria that is due to a deficiency of HYDROXYMETHYLBILANE SYNTHASE in the L...

Porphyria, Erythropoietic - An autosomal recessive porphyria that is due to a deficiency of UROPORPHYRINOGEN III SYNTHASE in the...

Porphyria, Hepatoerythropoietic - An autosomal recessive cutaneous porphyria that is due to a deficiency of UROPORPHYRINOGEN DECARBOXY...

Porphyria, Variegate - An autosomal dominant porphyria that is due to a deficiency of protoporphyrinogen oxidase (EC 1.3.3....

Porphyrias - A diverse group of metabolic diseases characterized by errors in the biosynthetic pathway of HEME in...

Porphyrias, Hepatic - A group of metabolic diseases due to deficiency of one of a number of LIVER enzymes in the biosynthe...

Port-Wine Stain - A vascular malformation of developmental origin characterized pathologically by ectasia of superfici...

Pressure Ulcer - An ulceration caused by prolonged pressure on the SKIN and TISSUES when one stay in one position for...

Protoporphyria, Erythropoietic - An autosomal dominant porphyria that is due to a deficiency of FERROCHELATASE (heme synthetase) in b...

Prurigo - A name applied to several itchy skin eruptions of unknown cause. The characteristic course is the fo...

Pruritus - An intense itching sensation that produces the urge to rub or scratch the skin to obtain relief....

Pruritus Ani - Intense chronic itching in the anal area....

Pruritus Vulvae - Intense itching of the external female genitals....

Pseudoxanthoma Elasticum - An inherited disorder of connective tissue with extensive degeneration and calcification of ELASTIC ...

Psoriasis - A common genetically determined, chronic, inflammatory skin disease characterized by rounded erythem...

Pyoderma - Any purulent skin disease (Dorland, 27th ed)....

Pyoderma Gangrenosum - An idiopathic, rapidly evolving, and severely debilitating disease occurring most commonly in associ...

Radiodermatitis - A cutaneous inflammatory reaction occurring as a result of exposure to ionizing radiation....

Rhinophyma - A manifestation of severe ROSACEA resulting in significant enlargement of the NOSE and occurring pri...

Rhinoscleroma - A granulomatous disease caused by KLEBSIELLA RHINOSCLEROMATIS infection. Despite its name, this dise...

Rosacea - A cutaneous disorder primarily of convexities of the central part of the FACE, such as FOREHEAD; CHE...

Rothmund-Thomson Syndrome - An autosomal recessive syndrome occurring principally in females, characterized by the presence of r...

Scabies - A contagious cutaneous inflammation caused by the bite of the mite SARCOPTES SCABIEI. It is characte...

Scleredema Adultorum - A diffuse, non-pitting induration of the skin of unknown etiology that occurs most commonly in assoc...

Sclerema Neonatorum - A severe, sometimes fatal, disorder of adipose tissue occurring chiefly in preterm or debilitated in...

Scleroderma, Diffuse - A rapid onset form of SYSTEMIC SCLERODERMA with progressive widespread SKIN thickening over the arms...

Scleroderma, Limited - The least progressive form of SYSTEMIC SCLERODERMA with skin thickening restricted to the face, neck...

Scleroderma, Localized - A term used to describe a variety of localized asymmetrical SKIN thickening that is similar to those...

Scleroderma, Systemic - A chronic multi-system disorder of CONNECTIVE TISSUE. It is characterized by SCLEROSIS in the SKIN, ...

Sebaceous Gland Diseases - Diseases of the sebaceous glands such as sebaceous hyperplasia and sebaceous cell carcinoma (SEBACEO...

Serum Sickness - Immune complex disease caused by the administration of foreign serum or serum proteins and character...

Sjogren-Larsson Syndrome - An autosomal recessive neurocutaneous disorder characterized by severe ichthyosis MENTAL RETARDATION...

Skin Abnormalities - Congenital structural abnormalities of the skin....

Skin Diseases, Bacterial - Skin diseases caused by bacteria....

Skin Diseases, Eczematous - Any of a variety of eruptive skin disorders characterized by erythema, oozing, vesiculation, and sca...

Skin Diseases, Genetic - Diseases of the skin with a genetic component, usually the result of various inborn errors of metabo...

Skin Diseases, Infectious - Skin diseases caused by bacteria, fungi, parasites, or viruses....

Skin Diseases, Metabolic - Diseases of the skin associated with underlying metabolic disorders....

Skin Diseases, Papulosquamous - A group of dermatoses with distinct morphologic features. The primary lesion is most commonly a papu...

Skin Diseases, Parasitic - Skin diseases caused by ARTHROPODS; HELMINTHS; or other parasites....

Skin Diseases, Vascular - Skin diseases affecting or involving the cutaneous blood vessels and generally manifested as inflamm...

Skin Diseases, Vesiculobullous - Skin diseases characterized by local or general distributions of blisters. They are classified accor...

Skin Diseases, Viral - Skin diseases caused by viruses....

Skin Manifestations - Dermatologic disorders attendant upon non-dermatologic disease or injury....

Skin Neoplasms - Tumors or cancer of the SKIN....

Sneddon Syndrome - A systemic non-inflammatory arteriopathy primarily of middle-aged females characterized by the assoc...

Sporotrichosis - The commonest and least serious of the deep mycoses, characterized by nodular lesions of the cutaneo...

Staphylococcal Scalded Skin Syndrome - A disease of infants due to group 2 phage type 17 staphylococci that produce an epidermolytic exotox...

Staphylococcal Skin Infections - Infections to the skin caused by bacteria of the genus STAPHYLOCOCCUS....

Stevens-Johnson Syndrome - A variant of bullous erythema multiforme. It ranges from mild skin and mucous membrane lesions to a ...

Sunburn - An injury to the skin causing erythema, tenderness, and sometimes blistering and resulting from exce...

Sweat Gland Diseases - Diseases of the SWEAT GLANDS....

Sweating, Gustatory - An autonomic disorder characterized by excessive sweating of the forehead, upper lip, perioral regio...

Sweet Syndrome - Condition characterized by large, rapidly extending, erythematous, tender plaques on the upper body ...

Syphilis, Cutaneous - Cutaneous lesions arising from infection with Treponema pallidum. In the primary stage, 18-21 days f...

Takayasu Arteritis - A chronic inflammatory process that affects the AORTA and its primary branches, such as the brachioc...

Tinea - A general term describing various dermatophytoses. Specific types include TINEA CAPITIS (ringworm of...

Tinea Capitis - Ringworm of the scalp caused by species of Microsporum and Trichophyton, which may occasionally invo...

Tinea Favosa - A disease of the scalp that may affect the glabrous skin and the nails and is recognized by the conc...

Tinea Pedis - Dermatological pruritic lesion in the feet, caused by Trichophyton rubrum, T. mentagrophytes, or Epi...

Tinea Versicolor - A common chronic, noninflammatory and usually symptomless disorder, characterized by the occurrence ...

Trichothiodystrophy Syndromes - Autosomal recessive neuroectodermal disorders characterized by brittle sulfur-deficient hair associa...

Tuberculosis, Cutaneous - Tuberculosis of the skin. It includes scrofuloderma and tuberculid, but not LUPUS VULGARIS....

Urticaria - A vascular reaction of the skin characterized by erythema and wheal formation due to localized incre...

Urticaria Pigmentosa - The most common form of cutaneous mastocytosis (MASTOCYTOSIS, CUTANEOUS) that occurs primarily in ch...

Varicose Ulcer - Skin breakdown or ulceration caused by varicose veins in which there is too much hydrostatic pressur...

Vitiligo - A disorder consisting of areas of macular depigmentation, commonly on extensor aspects of extremitie...

Warts - Benign epidermal proliferations or tumors; some are viral in origin....

Xanthogranuloma, Juvenile - Benign disorder of infants and children caused by proliferation of HISTIOCYTES, macrophages found in...

Xeroderma Pigmentosum - A rare, pigmentary, and atrophic autosomal recessive disease. It is manifested as an extreme photose...

Yaws - A systemic non-venereal infection of the tropics caused by Treponema pallidum subspecies pertenue....

Yellow Nail Syndrome - A rare condition characterized by the presence of yellow nails, LYMPHEDEMA, and/or PLEURAL EFFUSION ...

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Common Chronic Illnesses

Coronary Disease

An imbalance between myocardial functional requirements and the capacity of the CORONARY VESSELS to supply sufficient blood flow. It is a form of MYOCARDIAL ISCHEMIA (insufficient blood supply to the heart muscle) caused by a decreased capacity of the coronary vessels.

Diabetes Mellitus, Type 1

A subtype of DIABETES MELLITUS that is characterized by INSULIN deficiency. It is manifested by the sudden onset of severe HYPERGLYCEMIA, rapid progression to DIABETIC KETOACIDOSIS, and DEATH unless treated with insulin. The disease may occur at any age, but is most common in childhood or adolescence.
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Diabetes Mellitus, Type 2

A subclass of DIABETES MELLITUS that is not INSULIN-responsive or dependent (NIDDM). It is characterized initially by INSULIN RESISTANCE and HYPERINSULINEMIA; and eventually by GLUCOSE INTOLERANCE; HYPERGLYCEMIA; and overt diabetes. Type II diabetes mellitus is no longer considered a disease exclusively found in adults. Patients seldom develop KETOSIS but often exhibit OBESITY.
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Hypertension

Persistently high systemic arterial BLOOD PRESSURE. Based on multiple readings (BLOOD PRESSURE DETERMINATION), hypertension is currently defined as when SYSTOLIC PRESSURE is consistently greater than 140 mm Hg or when DIASTOLIC PRESSURE is consistently 90 mm Hg or more.

Mesothelioma

A tumor derived from mesothelial tissue (peritoneum, pleura, pericardium). It appears as broad sheets of cells, with some regions containing spindle-shaped, sarcoma-like cells and other regions showing adenomatous patterns. Pleural mesotheliomas have been linked to exposure to asbestos. (Dorland, 27th ed)

Osteoarthritis

A progressive, degenerative joint disease, the most common form of arthritis, especially in older persons. The disease is thought to result not from the aging process but from biochemical changes and biomechanical stresses affecting articular cartilage. In the foreign literature it is often called osteoarthrosis deformans.

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