Microsphere. 2 weeks of persistent, size progressive, itchy plaques measuring 2.5 x 2.5 cm as well as 1.5 x 1 cm with distinct scaling, edge accentuation and central pallor in an 11-year-old boy. The skin lesions developed from 2 small papules which appeared for the first time about 2 weeks before.
Malasseziafolliculitis, detail magnification: In the picture, almost centrally located, a follicle-bound, inflammatory papule, approx. 6 x 4 mm in size, is impressive.
Granuloma anulare perforans. detail enlargement: solitary or densely standing, skin-coloured to reddish, rough, smooth, peripherally extending, centrally sinking, partly necrotic, non-itching papules on the back of a 40-year-old man.
nevus, melanocytic, halo-nevus. overview image: periumbilical localized halo-nevi, whose size has not changed in the last years. similar skin lesions were found on the patient's back.
REM-syndrome. 1.5-year-old female patient with a reticular to planar, frayed, light red, temporarily itchy, urticarial erythema, papules and plaques in the décolleté area. The red colouring of the lesion is alternately strong and shows a clear deterioration after sun exposure.
Sweet syndrome: reddish-livid, succulent, pressure-dolent, infiltrated, solitary and partly papules confluent to plaques, on the right side of the body in a 47-year-old female patient. 1 week before the onset of the disease intake of Cotrimoxazol due to a urinary tract infection. temperatures > 38 °C.
Nummular Dermatitis: General view: One year ago, for the first time, massive itching, initially papular, later plaque-shaped skin changes on the entire integument with emphasis on the extremities, trunk and buttocks of a 77-year-old woman.
Contact dermatitis allergic: Acutely appeared, large red spots and plaques with rough, partly scaly surface as well as haemorrhagic vesicles in an 18-month-old boy. The skin changes occurred a few hours after extensive application of a cream containing lidocaine.
Pseudolymphoma of the skin: non-itchy, surface-smooth, reddish-brown papules and plaques on the left shoulder blade region; histological: non-clonal lympho-reticular proliferation, without epidermotropy.
Psoriasis pustulosa generalisata. eruption of sterile pustules on extensive erythema in the area of the trunk. multiple, partly extensive erosions and whitish macerations. secondary findings are high temperatures, reduced general condition, leucocytosis.
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