ALOPECIA IN CHILDREN
Categories of alopecia in children
- Sebaceous nevus: This is a nevus of the sebaceous glands, on which no hair grows.
- Congenital aplasia of the skin: It is a localised absence of skin that occurs as ulcer or scar. No hair grows in that area.
- Alopecia Areata : This is an autoimmune disease
- Trichotillomania: The patients cause it on their own
- Tinea capitis is a fungal infection of the scalp
- Iron deficiency
- Anorexia nervosa
- Malnutrition (proteins – calories)
- Rapid Weight Loss
Causes of cicatricial alopecia in children
- Developmental disorder and hereditary conditions (skin aplasia, epidermal nevi, porokeratosis of Mibelli, ichthyosis, Darier disease, etc.
- Defects due to natural causes: mechanical traumas, burns, x-ray dermatitis.
- Microbial infections: tinea/ringworm infections, bacterial infections (lupus vulgaris, leprosy, tertiary syphilis, furuncle, carbuncle, folliculitis, acne necrotising), leishmaniasis, viral infections (herpes zoster, chickenpox, smallpox).
- Neoplasias: basal cell carcinoma, cicatricial (scarring) basal cell carcinoma, metastatic carcinomas.
- Various other dermatoses/skin diseases of unknown aetiology: lichen planus, lupus erythematosus, scleroderma, lipoid necrobiosis, sarcoidosis, benign mucous membrane pemphigoid, and follicular mucinosis.