Dyskeratosis follicularis. reflected light microscopy: section of a lesion on the neck. yellowish-white keratin plaques (orthohyperkeratosis) and areas with ball-shaped, ectatic central capillaries (acantholysis area).
psoriasis vulgaris. seborrhoid psoriasis. large, flat, red, rough plaques with fine-lamellar scaling, localized by the centrofacial system, appearing in a 26-year-old woman. similar skin changes were found on the trunk and the extensor extremities. relapsing course of the disease since adolescence.
Lymphoepithelioma-like carcinoma: unspectacular clinical picture with glassy appearing solid nodules. Fig. taken from Oliveira CC et al. (2018) Lymphoepithelioma-like carcinoma of the skin. An Bras Dermatol 93:256-258.
Mixed connective tissue disease, swelling and diffuse redness of the eyelids, perioral pallor; extensive erythema of the neck and décolleté, tired facial expression, detection of U1-nRNP antibodies.
Impetigo contagiosa. unusually extensive findings (lack of care) in a 22-year-old woman with atopic eczema. extensive, yellowish-smeared crusts and scales. fresh pustules can be detected in the marginal area of the lesions. the finding is classic for contagious impetigo, which is less frequently found in adults, more frequently in infants.
Basal cell carcinoma, destructive ulcer of the right temple of a 67-year-old woman, which has been growing slowly and progressively for several years and measures approx. 5 x 3.5 cm. The largely clean ulceration shows isolated fibrinous coatings and small crusts at the ulcer margins. The edge of the ulcer is bulging or rough, especially towards the lateral corner of the eye. Minor actinic keratoses on the forehead are also present.
Granuloma eosinophilicum faciei (Granuloma faciale): Typical finding in a 72-year-old man. No significant secondary diseases, no medication history. The finding has existed for several years, is slowly progressive. No significant symptoms.
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