Kaposi's sarcoma endemic: chronically stationary, flat, along the skin cleavage lines localized, sharply defined, violet colored, scaly, rough, consistency increased, flatly elevated, painful plaque in a 60 year old woman; partially disseminated, blue-black papules and nodules are found on the inner side of the thigh
psoriasis vulgaris. psoriasis guttata. 48-year-old patient. discreet inpatient psoriasis vulgaris (elbow, capillitium), known for about 10 years. exanthematic relapse after streptococcal infection (angina tonsillaris). the figure shows a still relapse-active (see numerous spot-shaped psoriatic foci) exanthematic psoriasis vulgaris with small, scaly, reddened papules and coin-sized plaques.
psoriasis capitis. 44-year-old man. chronically inpatient, intermittently increasing, extensive, red, rough plaques with coarse lamellar scaly deposits on the forehead, capillitium. characteristic of the diagnosis "psoriasis" is the spread of the foci from the hairy head above the forehead hairline to the forehead areas. DD: seborrhoeic eczema.
Lichen sclerosus of the penis: lichen sclerosus persisting for years with verrucous transformation of the surface epithelium (DD. verrucous mucosal carcinoma)
Kaposi's sarcoma epidemic (overview): HIV-associated Kaposi's sarcoma with disseminated, bizarrely configured, reddish-brown plaques, partly in a striped pattern arranged in the cleavage lines.
Airborne Contact Dermatitis: Retroauricular infection: This pattern distinguishes ACD from photoallergic eczema, where the "shadow area of the auricle" remains free.
Xanthogranulom juveniles (sensu strictu). solitary, soft elastic, yellowish, completely painless plaques. no darier sign! 8-month-old female infant. size growth in the first months of life.
Tinea pedum. general view: Discrete, well defined, heart-shaped, reddened, slightly scaly erythema and hyperkeratosis on the left inner side of the foot in an 80-year-old female patient with exacerbated tinea pedum. The prominent hallux valgus is altered with the same efflorescences.
Psoriasis palmaris et plantaris (plaquet type): long-term chronic inpatient infection of the palms of the hands (in the context of generalized psoriasis), now with generalized shearing activity itching and intralesional blistering.
Xanthogranuloma, necrobiotic with paraproteinemia. 62-year-old female patient shows several clearly infiltrated plaques in the periorbital region, interspersed with yellowish-brown nodular parts.
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