Melanoma malignes, type SSM: 2.8x 1.8 cm large black plaque with a nodular part on the back; small satellite; inlet close up and reflected light microscopic image.
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.
Pityriasis rosea: A maculo-papular to plaque-like, slightly to moderately scaly exanthema with coin-like filled foci that persists for a few weeks; in the breast area also large, anular formations.
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
Dermatosis, acute neutrophils: reddish-livid, succulent, pressure-dolent, infiltrated, solitary and partly confluent papules, which confluent to plaques. 1 week before the onset of the disease a fever attack with temperatures > 38 °C occurred.
Bowen's disease: Chronically stationary, slowly increasing in area and thickness, sharply defined, meanwhile clearly increased in consistency, symptomless, red, rough, partly scaly, partly erosive, partly crusty plaques on the left thumb extension side of a 63-year-old man; characteristic is the occurrence mainly in the area of light-exposed skin areas.
Dermatitis, seborrheic: Therapy-resistant seborrheic eczema in a 32-year-old HIV-infected person. improvement under highly active antiretroviral therapy (HAART).
Bowen, M.. 22-year-old, 4 x 2 cm, slightly progressive, erythematous, scaly plaque on the back of a 68-year-old patient, which was for a long time misjudged as chronic inpatient psoriasis vulgaris and treated accordingly.
acute erysipelas. acutely appeared, since a few days existing, increasing, flat, sharply defined, pillow-like raised, flaming red swelling of the left cheek and eye. vesicles and blisters. distinct impairment of the general condition with fever.
Lupus erythematosus systemic. persistent, blurred, deep red, butterfly-like erythema in the face of a 29-year-old female patient with SLE, which has been known for years. Occasionally small papules and plaques are also found, some with firmly adhering scaling (lower lip area).
Naevus sebaceus:Hairless, completely symptomless, verrucous plaque in the capillitium of a 25-year-old man, existingsincebirth; in recent years progressive verrucous growth.
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