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.
Squamous cell carcinoma in actinic pre-damaged scalp:Continuously growing verrucous, broad-based, hard node of the scalp, existingfor severalmonths; multiple actinic keratoses.
Keratosis actinica keratotic type:numerous, hyperkeratotic, in places also lichenoid, red papules and plaques on the capillitium of an 85-year-old man (former roofer); the papules and plaques are partly covered by adherent yellowish-brownish keratoses.
Tufted hairs:Folliculitis decalvans; in the centre mirror-like scarring plate with wicklike hair tufts; in the marginal area of the scarring hair tufts with incised hair shafts.
lichen planus follicularis capillitii. increasing hair loss with known lichen planus (extremities and oral mucosa). extensive redness with irregular, scarring alopecia (follicle structure is missing). itching and scaling.
Sebaceous nevus: 25-year-old man; the reddish-brownish plaque, interspersed with whitish papules, was completely painless since birth; the excision was performed without complications and without spindle; a sebaceous nevus could be histologically confirmed.
Lymphoma, cutaneous B-cell lymphoma. Rapidly growing, large, brownish-reddish, painless lump with a smooth surface. In several places "still" hairs grow through the tumour masses.
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