Contact dermatitis toxic: Detail enlargement: Hyperkeratotic plaques and rhagades on the right palma of a 61-year-old independent craftsman with regular contact to tin-containing soldering paste.
type I neurofibromatosis, peripheral type or classic cutaneous form. since puberty slowly increasing, soft, 0.2-0.8 cm large, skin-coloured or slightly brownish, painless, flat or hemispherical papules and nodules in a 42-year-old patient. the bell-button phenomenon can be triggered (the papules can be pressed into the skin under pressure). café-au-lait spots up to 7 cm in diameter also appear on the trunk.
Nevus, melanocytic. type: Acquired dysplastic melanocytic nevus. solitary, chronically inpatient, approx. 0.7 cm high, light accentuated spot localized at the right temple, smooth, reticularly decomposed with differently graded brown tones, blurredly limited in a 50-year-old female patient.
Pustulosis palmaris et plantaris: massive (sterile), painful pustulosis of the soles of the feet after a febrile (streptococcal) infection. large pustules, in places confluent to form larger "pus puddles". associated pressure-painful arthritis (swelling) of the sternoclavicular joints
Becker nevus: General view: Approx. 20 x 26 cm measuring, homogeneously pigmented, hairless, melanocytic, marginal spatter-like frayed pigmentation on the left upper arm/shoulder of a 14-year-old adolescent. The pigmentation had developed in childhood and had gradually grown over the entire shoulder and upper arm. Clear dark coloration after sun exposure. Incident light microscopy showed no evidence of malignancy.
Lentigo maligna melanoma. overview image: 1.2 x 0.5 cm (inconspicuous), brown lentigo maligna melanoma on the right cheek in a 70-year-old patient. TD 0.4 mm, Clark level II, pT1a N0M0, stage Ia according to AJCC 2002, no regression signs.
Purpura anularis teleangiectodes: clinical picture that has existed for several months with anular, borderline reddish-brown (not push-off) spots and plaques; no itching
melanoma malignes acrolentiginous. dark discoloration of the right small toe existing for years. growth of thickness for 1/2 year, discoloration increasingly decreasing. now: largely amelanotic, centrally ulcerated and macerated nodule at the 5th toe. remark: treated as mycosis for several months.
Purpura anularis teleangiectodes: brown-red anular, also cocard-like (ring-in-ring structure) by confluence also serpiginous foci. no significant itching. sporadically also largely faded only shadowy spots.
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