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Telogen effluvium is a scalp disorder characterized by the thinning or shedding of hair resulting from the early entry of hair in the telogen phase (the resting phase of the hair follicle). [ 1 ] [ 2 ] [ 3 ] It is in this phase that telogen hairs begin to shed at an increased rate, where normally the approximate rate of hair loss (having no ...
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.
The scalp is the most common pulling site, followed by the eyebrows, eyelashes, face, arms, and legs. [10] Some less common areas include the pubic area, underarms, beard, and chest. [ 11 ] The classic presentation is the " Friar Tuck " form of crown alopecia (loss of hair at the "crown" of the head, also known as the "vertex"). [ 12 ]
ICD-9 chapters; Chapter Block Title I 001–139: Infectious and Parasitic Diseases II 140–239: Neoplasms III 240–279: Endocrine, Nutritional and Metabolic Diseases, and Immunity Disorders IV 280–289: Diseases of the Blood and Blood-forming Organs V 290–319: Mental Disorders VI 320–389: Diseases of the Nervous System and Sense Organs ...
The fungus can also exist in a carrier state on the scalp, without clinical symptomatology. Treatment of tinea capitis requires an oral antifungal agent ; griseofulvin is the most commonly used drug, but other newer antimycotic drugs, such as terbinafine , itraconazole , and fluconazole have started to gain acceptance.
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. Clinically, the ridges are hard and cannot be flattened on applying pressure.
Acne miliaris necrotica is a severe form of folliculitis of typically the scalp. [2] It presents as multiple fluid-filled bumps, sometimes occurring as solitary lesions that are usually very itchy. [1] Shortly after appearing, the bumps burst and dry up. [1] There may be scarring. [1]
Folliculitis decalvans is an inflammation of the hair follicle that leads to bogginess or induration of involved parts of the scalp along with pustules, erosions, crusts, ulcers, and scale. [ 1 ] : 649 [ 2 ] : 760–1 It begins at a central point and spreads outward, leaving scarring, sores, and, due to the inflammation, hair loss in its wake ...