Trichoepitheliomas: bulging elastic skin-coloured nodules and nodules in the nasolabial fold; multiple, rough, hemispherical, 0.2-0.5 cm large, partly glassy, skin-coloured or red, symmetrically arranged nodules
Primary cutaneous anaplastic large cell (CD 30+) lymphoma. Painless, slowly progressive skin ulcer (62-year-old, otherwise healthy woman) which has been present for several months and treated as "pyoderma". Conspicuously raised wall of the ulcer and distinct induration of the reddened edges.
Airborne Contact Dermatitis: chronic (>6 weeks) extensive, enormously itchy and burning eczema with irregular, extensive infestation of the exposed facial areas including the eyelids.
Verruca seborrhoica. soft, raised, grey-brown to black papules and plaques with a fissured, warty surface, interspersed with black horn stoppers. variable size, from a few mm to about 1.2 cm in diameter. disseminated appearance.
Lupus erythematodes chronicus discoides: CDLE leading to significant scarring. atrophy of the skin, easily recognizable by the hair loss. in the cheek area extensive, in places deeply sunken (atrophy of the subcutaneous fatty tissue) scar with low inflammatory activity.
Dermatitis, seborrhoeic: Multiple, chronically stationary, centrofacially localized (also on eyebrows and in the beard area), almost symmetrical, blurred, at times slightly itchy, red, rough, finely scaled spots and plaques on the face of a 32-year-old HIV-infected person.
Lentigo maligna: multiple, chronically stationary, since more than 5 years existing, imperceptibly growing, irregularly limited, black-brownish, 0.3-2.0 cm large pigment spots on the right cheek of a 69-year-old man.
Dermatitis, seborrhoeic: chronically recurrent disease with constant, blurred, sometimes slightly itchy, red spots and plaques; distinctly bds. eyelid eczema
Erythema perstans faciei. persistent, butterfly-shaped, livid red erythema in a 3-year-old boy with vitium cordis (pulmonary stenosis, subaortic stenosis, vascular transport and ventricular septal defect).
Thomson's syndrome. bilateral raparification of the eyebrows and eyelashes in a 59-year-old woman with Thomson's syndrome. Furthermore, cross-linked telangiectasias, confluent pigmentation spots and well definable depigmentation on both cheeks.
AIN. Anal dysplasia. Large, hyperkeratotic area with smaller satellite lesions. The surface is granular and shows different areas of keratinization. Histologically, there was a grade 2 intraepithelial neoplasia.
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