Dyskeratosis follicularis (Darier's disease). acuteprovocation of the disease after light dermatitis solaris. no symptoms in areas not exposed to sunlight.
Melanoma superficially spreading: Plaque which is no longer symmetrical and smooth on the surface with several elongated growth zones which break through the contours of the edges, see further detailed images.
Dermatitis chronic actinic: Chronic laminar eczema reaction which is essentially limited to the exposed skin areas Typical of chronic actinic dermatitis and thus distinguishable from a toxic light reaction (type acute solar dermatitis) is the blurred transition (eczematous scattering reactions) from lesional to healthy skin.
Plaques muqueuses in the presence of a maculo-papular syphilitic exanthema; characteristic, largely symptom-free, plaque free, oval plaques that have confluated to larger areas
Acne vulgaris (overview): severe clinical picture with inflammatory papules, papulo-pustules and pustules in a 17-year-old patient; increasing course of the disease since 2 years. extensive scarring beginning in the central cheek area. picture of acne vulgaris (type: acne papulo-pustulosa, grade IV). classic indication for systemic isotretinoin therapy!
Primary cutaneous marginal zone lymphoma: localized red (surface smooth) plaque with circulatory margins, known for several months, only moderately consistent, no evidence of systemic involvement.
Lichens implex chronicus of the vulva in a 40-year-old female patient. extensive reddening Lichenification of the labia majora and labia minora. numerous smaller chafing effects Fig. from Eiko E. Petersen,Farbatlas der Vulvaerkrankungen. with the prior approval of Kaymogyn GmbH Freiburg.
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