Keratosis actinica erythematous type: multiple red, rough, slightly painful papules and plaques on the bald head when stroking over them, continuously existing for years.
Lupus erythematodes chronicus discoides: dry-scaling, red, hyperesthetic, plaques with adherent scaling that have existed on both halves of the face for 5 years; no evidence of systemic LE. DIF with typical pattern.
Nail psoriasis: unspecific nail dystrophy (which is also found in this way in chronic hand dermatitis), caused by paronychial infestation of the thumbs.
Erythema nodosum (affection of the upper and lower extremities): acute, multiple inflammatory, painful, clearly consistency increased plaques and nodules; accompanying arthritis of the right ankle joint.
Lupus erythematodes chronicus discoides:cutaneous chronic lupus erythematosus. years of course with circumscribed red scarring plaques (circle - with whitish atrophic area without follicular structure): arrow: dermal melanocytic nevus.
Keratosis palmoplantaris papulosa seu maculosa. since earliest childhood known keratosis anomaly of the hands (here less conspicuous) and feet, which is not disturbing so far. multiple, differently sized, wart-like horny cones with rough, scaly surface.
Special form: Mycosis fungoides follikulotrope: 10-year-old girl with generalized folliculotropic Mycosis fungoides. foudroyant course of the disease which made a stem cell transplantation necessary.
Nummular dermatitis: chronic, for 8 weeks existing, localized on the back of the hand, approx. 6 cm in size, reddish, raised, partly eroded, partly crusty plaques in a 47-year-old man; no evidence of psoriasis vulgaris or atopic diathesis.
Eczema atopic (overview): severe atopic eczema existing for years, mainly localized in the adolescence, diffractive, generalized for 2 years now, massive constant itching, intensified after sweating, numerous scratch marks.
Condylomata gigantea. 39-year-old patient has had rapidly growing, perianal, localised, extensive papillomatous, sometimes nodular, superficially fissured vegetation for about 12 months. HPV typing revealed HPV types 6 and 18.
Pemphigus chronicus benignus familiaris. Greasy, sharply defined, rough plaque in the area of the armpit, interspersed with multiple fissures. Striae (chronic glucocorticoid application) appear in the surrounding area.
Lupus erythematosus (overview): systemic lupus erythematosus. numerous smaller, painful erosions and flat ulcers on the red of the lips. red plaques on the skin of the lips.
Epidermolysis bullosa dystrophica dominans: 35-year-old female patient, with extensive scarring blister formation after banal traumas (e.g. under plasters, or under pressure). First manifestation in the first months of life. recurrent formation of basal cell carcinomas.
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