primary diffuse diffuse large cell B-cell lymphoma leg type: for about2 years papules and nodules on the left leg of a 55 years old woman appearing in relapses. in the last weeks rapid growth of the pre-existing nodules and eruptive appearance of new nodules. initially no symptoms. since 2 months increasing tendency to dry and also weeping surface scaling. in places complete decay of the nodules.
Sarcoidosis, plaque form: slightly pressure-painful plaques of the skin with plates with a scaly surface that can be easily distinguished from the surrounding area and can be moved on the support.
Pityriasis lichenoides et varioliformis acuta. 15-month-oldchild. 0.2-0.4 cm large, symmetrically arranged, only slightly itchy, red, surface-smooth and eroded papules and papulovesicles disseminated on the trunk and extremities for a few days.
Necrobiosis lipoidica: Waxy, reddish-brown, smooth, shiny infiltrate plates with several punched-out ulcers (after banal trauma) in type I diabetes in the area of the tibia.
Squamous cell carcinoma of the skin: ulcerated, spinocellular carcinoma of the lower leg, which has long been misunderstood as an ulcer (cruris) and thus has been treated unsuccessfully. Remarkable: Only slight pain!
Primary cutaneous diffuse large cell B-cell lymphoma leg type: For about 2 years papules and nodules on the left leg of a 55 years old woman appearing in relapses. In the last weeks rapid growth of the pre-existing nodules and eruptive appearance of new ones. Initially no symptoms. For 2 months increasing tendency to surface scaling and ulcer formation.
Lipedema: bilateral, initially painless, and after years of existence painful, symmetrical, initially discrete, later increasing, partly jodhpur-like fatty degeneration of the legs. the circumference of the thigh is disproportionately enlarged in comparison to the relatively slim upper body. back of the foot and toes are not swollen (Stemmersch's sign: negative). tendency tohaematomas
Nummular dermatitis: chronically active, for several months existing, approx. 6 cm large, raised, partly eroded, partly crusty plaques in a 45-year-old man. The surrounding skin is reddened.
Melanoma, malignant, nodular: Rapid growth in thickness in the last few months "I have already wet and bled once" (see further explanation in the following figure)
Carcinoma cuniculatum: Advanced verrucous carcinoma of the sole of the foot (here heel region), which has existed in its early stages for >2 years. No significant pain symptoms. No regional lymph node metastases detectable.
Spider veins: Dark blue-red, 0.5-1.0 mm thick, tortuous dilated venules with irregular, ampulla or nodular ectasia on the medial left thigh of a 69-year-old woman.
Scabies (in the infant). strongly itching blisters and blisters in the area of the sole of the foot in a toddler. infants tend to have an "excessive" blistery inflammatory reaction to the mite infection when infected for the first time.
Bullosis diabeticorum: Spontaneously occurring extensive subepithelial blister formation on both lower legs after a banal extensive trauma. Slight burning sensation. No fever. No lymphadenitis. Pemphgoid AK negative.
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