Hypotrichosis

From Wikipedia, the free encyclopedia

This article does not cite any references or sources. (June 2007)
Please help improve this article by adding citations to reliable sources. Unverifiable material may be challenged and removed.

Hypotrichosis Classification and external resources
ICD-9	704.09
DiseasesDB	14765
MeSH	D007039

Hypotrichosis is the state of having a less than normal amount of hair on the head or body. There are a number of causes, including hereditary hair follicle dysplasias, inflammation or infection of the hair follicles, neoplastic destruction, irradiation. Alopecia is a term that is used as an inexact synonym.

Hypotrichosis is a common feature of Hallermann-Streiff syndrome as well as others.

v • d • e

Diseases of the skin and subcutaneous tissue (integumentary system) (L, 680-709)

Infections

Staphylococcus (Staphylococcal scalded skin syndrome, Impetigo, Boil, Carbuncle) - Cellulitis (Paronychia) - Acute lymphadenitis - Pilonidal cyst - Corynebacterium (Erythrasma)

Bullous disorders

Pemphigus - Pemphigoid (Bullous pemphigoid) - Dermatitis herpetiformis

Dermatitis and eczema

Atopic dermatitis - Seborrhoeic dermatitis (Dandruff, Cradle cap) - Diaper rash - Urushiol-induced contact dermatitis - Contact dermatitis - Erythroderma - Lichen simplex chronicus - Prurigo nodularis - Itch - Pruritus ani - Nummular dermatitis - Dyshidrosis - Pityriasis alba

Papulosquamous disorders

Psoriasis (Psoriatic arthritis) - Parapsoriasis (Pityriasis lichenoides et varioliformis acuta, Pityriasis lichenoides chronica, Lymphomatoid papulosis) - Pityriasis rosea - Lichen planus - Pityriasis rubra pilaris - Lichen nitidus

Urticaria and erythema

Urticaria (Dermatographic urticaria, Cholinergic urticaria) - Erythema (Erythema multiforme, Stevens-Johnson syndrome, Toxic epidermal necrolysis, Erythema nodosum, Erythema annulare centrifugum, Erythema marginatum)

Radiation-related disorders

Sunburn - Actinic keratosis - Polymorphous light eruption - Radiodermatitis - Erythema ab igne

Disorders of skin appendages

Nail	Ingrown nail - Onychogryposis - Beau's lines - Yellow nail syndrome - Leukonychia

Hair	hair loss: Alopecia areata (Alopecia totalis, Alopecia universalis, Ophiasis) - Androgenic alopecia - Hypotrichosis - Telogen effluvium - Traction alopecia - Lichen planopilaris - Trichorrhexis nodosa other follicular disorders: Hypertrichosis (Hirsutism) - Acne vulgaris - Rosacea (Perioral dermatitis, Rhinophyma) - follicular cysts (Epidermoid cyst, Sebaceous cyst, Steatocystoma multiplex) - Pseudofolliculitis barbae - Hidradenitis suppurativa - Folliculitis

Sweat glands	eccrine (Miliaria, Anhidrosis) - apocrine (Body odor, Chromhidrosis, Fox-Fordyce disease)