Acne papulo-pustulosa: severe (untreated) clinical picture with inflammatory papules, papulo-pustules and pustules in a 16-year-old patient. picture of acne vulgaris (type: acne papulo-pustulosa, grade IV). classic indication for systemic isotretinoin therapy!
Sweet syndrome: reddish-livid, succulent, pressure-dolent, infiltrated, solitary and partly papules confluent to plaques over the spinal column in a 47-year-old female patient. 1 week before the onset of the disease intake of cotrimoxazole due to a urinary tract infection. temperatures > 38 °C
Verrucae vulgares: solitary but also densely standing, to beds aggregated, hemispherical, 0.2-0.8 cm large, coarse, mostly skin-coloured or grey-yellowish papules or nodules with fissured, hyperkeratotic-verrucous surface.
Dermatosis, acute febrile neutrophils (Sweet Syndrome): suddenly appearing inflammatory, succulent, livid red papules that have conflued into larger and plaques, combined with fever and feeling of illness.
Molluscum contagiosum: clinical symptoms known for months with mostly aggregated red, shiny papules up to 0.3 cm in size with typical umbilical cord of their surface; known HIV infection.
Dematitis periorale. granulomatous type of perioral dermatitis: theclinical picture was preceded by several months of intensive use of an ointment containing clobetasol.
Keratosis actinica, keratotic type: In a 72-year-old outdoor worker, adherent keratotic plaques have increasingly developed in recent years, the mechanical detachment of which is painful, with a tendency to bleed.
Sebaceous gland hyperplasia: Soft, yellowish papules which have existed for years, slowly increasing in size; in the middle of the picture 2 sebaceous cysts which are the maximum form of a sebaceous gland hyperplasia.
Collagenosis, reactive perforating. detail enlargement: 0.5-1.5 cm large, indurated, livid papules and plaques on the upper back, partly with hyperkeratotic plug, partly confluent.
Basal cell carcinoma, solid. chronic, reddish lump with a shiny, smooth surface. clinical and incident light microscopic detection of tumor-specific, bizarrely configured, carmine red vessels extending over the rim wall.
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