Squamous cell carcinoma of the skin: the left half of the lower lip is surrounded by a sharply defined, hard indurated plaque with deep, sharply marked ulceration and scaly deposits on the edges; no palpation of enlarged regional lymph nodes.
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
acrodermatitis continua suppurativa. complete destruction of the nail organ at the thumb end of the right hand of a 54-year-old patient. recurrent small yellowish blisters and pustules for approx. 4-5 years. considerable spontaneous and pressure pain in case of relapsing activities. no evidence of osseous destruction, no soft tissue calcification so far.
Tinea unguium. in the distal part of the nail matrix a large-area, colorful, not painful nail discoloration (yellow-blue-green) is visible. total dystrophy of the big toe nail.
Hyalinosis cutis et mucosae: Chronically stationary, persistent, no longer increasing, red to yellowish indurated plaques on the knuckles of the fingers of a 59-year-old patient, existing since youth.
Verrucae vulgar. solitary and confluent to a bed, hemispherical, coarse, grayish yellowish papules with a fissured, verrucous surface in the area of the nostrils and on the lower lip in a 10-year-old. The underlying disease is an atopic eczema.
Tinea unguium: distalsubungual onychomycosis. strong, yellowish-white discoloration of the nail matrix of the left big toe in a 57-year-old man. the nail matrix is affected to about 70%. secondary findings are interdigital mycosis and recurrent erysipelas of the left foot.
Naevus sebaceus:Hairless, completely symptomless, verrucous plaque in the capillitium of a 25-year-old man, existingsincebirth; in recent years progressive verrucous growth.
Tinea unguium: distalsubungual discoloration in fungal infection; the nail matrix is crumbled under the surface and can be easily removed with a cleaning instrument.
Scleromyxoedema. 52-year-old male patient. Increasing, moderately itchy skin lesions for 5 years. Thigh with multiple, site scattered lichenoid papules.
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