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).
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.
ILVEN: Since early childhood conspicuous, elongated to triangular configured papulokeratotic inflammatory skin change on the right cheek of a 14-year-old female patient.
Tinea faciei: 7 weeks before, a petting zoo was visited. large-area, circulatory rim-emphasized, moderately itchy (pre-treatment with glucocorticoids) plaques. detection of Tr. mentagrophytes.
Lupus erythematosus systemic: persistent, blurred, red, butterfly-like distributed spots in the right cheek area of a 27-year-old female patient with SLE known for years.
psoriasis capitis. 44-year-old man. chronically inpatient, intermittently increasing, extensive, red, rough plaques with coarse lamellar scaly deposits on the forehead, capillitium. characteristic of the diagnosis "psoriasis" is the spread of the foci from the hairy head above the forehead hairline to the forehead areas. DD: seborrhoeic eczema.
Xanthogranuloma, necrobiotic with paraproteinemia. 62-year-old female patient shows several clearly infiltrated plaques in the periorbital region, interspersed with yellowish-brown nodular parts.
tinea faciei. itchy and moderately painful, livid-reddish, rough, scaly plaque with intact or burst pustules on the surface. on pressure discharge of pus. patient has received 15mg methotrexate p.o. for several years because of polyarthritis. the present finding can also be called granuloma trichophyticum (majocchi).
Sarcoidosis: small nodular disseminated sarcoidosis of the skin. lung involvement. resistance to therapy, progressive since 1 year. known atopic eczema. findings: multiple reddish-brownish papules and plaques.
Lupus erythematodes chronicus discoides. 15 years of persistent and, despite disease-adapted therapy measures, constantly progressive skin changes in a 64-year-old patient. Large scar plate with marginal and intralesional erythema as well as isolated flat ulcers (currently covered with crust).
naevus verrucosus. already present at birth, bizarrely swirled, linear and flat, yellow-brown, verrucous PLaques. at birth the changes were only schematically indicated. increasingly prominent in the last two years. no subjective symptomatology.
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