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Trichorrhexis nodosa is a defect in the hair shaft characterized by thickening or weak points (nodes) that cause the hair to break off easily. [ 2 ] [ 3 ] : 636 This group of conditions contributes to the appearance of hair loss , lack of growth, and damaged-looking hair.
Alopecia Areata. Alopecia areata is an autoimmune condition that affects about 2 percent of the population. It occurs when your immune system attacks your hair follicles. This can damage your ...
Patients with tufted hair folliculitis report pain, scalp puffiness, and/or itching along with gradually increasing hair loss. Moreover, reports of perifollicular crusting and scaling are common. Clusters of anagen hairs arising from the scalp in the "doll's hair" pattern are the most common clinical feature in tufted hair folliculitis.
Unlike other types of hair loss — like male pattern baldness that just occurs naturally with age — there’s usually an inciting event or factor that causes telogen effluvium hair loss.
Pseudofolliculitis barbae is a disorder occurring when hair curves back into the skin and causes inflammation. Eosinophilic folliculitis may appear in persons with impaired immune systems. Folliculitis decalvans or tufted folliculitis usually affects the scalp. Several hairs arise from the same hair follicle. Scarring and permanent hair loss ...
Trichoptilosis (from the Greek τριχο- tricho-"hair" and the New Latin ptilosis "arrangement of feathers in definite areas" from the Greek πτίλον ptilon "feather"), schizotrichia, and informally split ends, is the splitting or fraying of the hair-shaft due to excessive heat and mechanical stress. [1]
IBIDS syndrome, following the acronym from ichthyosis, brittle hair and nails, intellectual impairment and short stature, is the Tay syndrome or sulfur-deficient brittle hair syndrome, first described by Tay in 1971. [9] (Chong Hai Tay was the Singaporean doctor who was the first doctor in South East Asia to have a disease named after him.
Cutis verticis gyrata is a medical condition usually associated with thickening of the scalp. [1] The condition is identified by excessive thickening of the soft tissues of the scalp and characterized by ridges and furrows, which give the scalp a cerebriform appearance.