Extramammary Paget's disease: Continuously growing focal point with different coloration and consistency for3 years; in the center, 2 red sharply bordered plaques encircled by an only slightly accentuated erythema.
Basal cell carcinoma ulcerated: painless plaque on the trunk that has been present for a long time and is slowly growing; for about 3 months constant weeping and crust formation.
Dyskeratosis follicularis: Large, hyperkeratotic zones existing since early childhood with reddish, partly macerated papules and firmly adhering, partly eroded, confluent keratoses on the capillitium of a 74-year-old woman.
Dermatitis solaris. detailed view: formation of acute, disseminated blisters on a surface redness, partly already healing under crusts. highly sensitive to touch (2nd degree burn). at the same time also fever and sensation of heat.
Pityriasis lichenoides chronica: 19-year-old, otherwise healthy patient with a papular exanthema on the trunk which has been present for 1 year and runs intermittently. Hardly any itching. No other symptoms.
Collagenosis, reactive perforating. 12-month-old female patient: Red, solitary, partly confluent, itchy, coarse papules with hyperkeratotic clot on the right lower leg of an 80-year-old female patient.
Zoster ophthalmicus: since 6 days increasing, left-sided headache with accompanying feeling of illness. since 3 days redness and swelling of the skin with stabbing, shooting pain. extensive erythema, blisters, scaly crusts and swelling
Papillomatosis cutis lymphostatica, general view: Distally sharp, proximally blurred, confluent, yellowish-brownish, sometimes red, very firm papules and plaques. 83-year-old woman with chronic venous insufficiency.
Zoster. 78-year-old female patient. initially, shooting, segmental pain occurred, followed by erythema and blistering. at the time of presentation, sharply defined blisters and blisters appeared on reddened surrounding skin. fresh blisters are hardly detectable in the image. mostly flat erosions, ulcers as well as crustal deposits appear.
Relapsing activity in chronic psoriasis: psoriasis known for a long time. 4 weeks (post-infection) of clear relapsing activity with small papules and plaques. Itching.
Haemangioma targetoides haemosiderotic: dermatoscopic image with sinosidal vascular dilatations. black spots correspond to thrombosed vascular convolutes. image from the collection of Dr. med. Michael Hambardzumyan.
Lichen planus follicularis capillitii. increasing spot-shaped hair loss with known Lichen planus. extensive redness with irregular, scarring alopecia (follicle structure is missing). itching.
Squamous cell carcinoma of the skin: slowly growing, wart-like, painful, ulcerated and weeping nodules, which have been treated several times as a "subungual wart"; visible thickening of the nail root due to tumor infiltration.
Mycosis fungoides: tumor stage. 53-year-old man with multiple, disseminated, 1.0-5.0 cm large, in places also large-area, moderately itchy, clearly consistency increased, red, rough, confluent plaques.
Trichomoniasis with severe vulvitis that has been pretreated several times with antibiotics. 62-year-old patient with a new partner. Fig.from Eiko E. Petersen, Colour Atlas of Vulva Diseases, with the prior approval of Kaymogyn GmbH Freiburg.
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