Lichen planus follicularis capillitii. increasing spot-shaped hair loss with known Lichen planus. extensive redness with irregular, scarring alopecia (follicle structure is missing). itching.
Primary cutaneous follicular center lymphoma: Condition after treatment of an alopecia areata with DNCB about 20 years ago; for several months now, formation of smooth, painless plaques and nodules, which, according to a biopsy, affected the entire anterior half of the capillitium.
Psoriasis capitis. solitary, chronically stationary, sharply defined, silvery scaly plaque that extends beyond the hairline. infestation of predilection sites on the rest of the body
lymphoma, cutaneous T-cell lymphoma, large-cell, CD30-positive. detailed view: multiple, chronically dynamic, increasing, non-displaceable, confluent, hemispherical nodules covering a total area of 6 x 6 cm with hard, central, red part and deep, crater-shaped ulceration in a 64-year-old patient. the ulceration is covered with thick, yellowish coatings. the surrounding area of the ulceration is raised, livid-red and partly erosive weeping.
Keratosis actinica, keratotic type: In a 75-year-old male patient, adherent keratotic plaques have increasingly developed over the last few years, the mechanical detachment of which is painful; here flat ulcers, crusts, scars.
Squamous cell carcinoma in actinically damaged skin: Since more than 1 year, slowly growing, very firm, little pain-sensitive, ulcerated node, which (at the time of examination) was no longer movable on its base. Pronounced field carcinoma .
Chronic contact allergic dermatitis of the capillitium (see discreet, but clearly itchy erythema) as well as of the neck and nape of the neck, triggered by para-phenylenediamine .
Lupus erythematodes chronicus discoides: older, only slightly active "discoid" lupus foci that heal under atrophy of skin and subcutis (focal destruction of hair follicles) Note the reddish-livid hue of the alopecic foci.
Tinea capitis superficialis: easily inflammable, blurred, alopecic focus in the occipital region in a 7-year-old boy. low crust formation. no itching. no pain. fungal culture: Trichophyton mentagrophytes.
Lichen planus follicularis capillitii as partial manifestation of a Lichen planus with infestation of capiliitium and oral mucosa: increasing focal hair loss. circumscribed, follicularly accentuated redness with irregular, scarring alopecia (follicular structure is missing). inlet: streigi whitish plaques of the oral mucosa as sign of Lichen planus mucosae.
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