Acanthosis nigricans benigna: blurred brown-black spots and plaques. the plaques are characterized by a slightly sooted, leathery surface. no subjective symptoms.
Nevus Spitz. reflected light microscopy of the previously clinically imaged nevus. irregular pigmentation; radial-strictive basic architecture, which is particularly visible at the edges, no vascular polymorphies.
Parapsoriasis en plaques, large: symptomless, well limited. disseminated stains and plaques. When the skin is wrinkled, a cigarette-paper-like pseudoatrophic architecture of the skin surface is visible (important diagnostic sign!).
Acanthosis nigricans maligna: asymptomatic brown coloration of the skin and hyperkeratosis in the left neck, décolleté and shoulder blade region existing for about 3-4 months in a 66-year-old patient with non-Hodgkin's lymphoma.
Lyme borreliosis, late stage: symptomless, blurred, morphea-like, painless plaques existing for several months (?). borrelia titer with highly specific bands positive. histo: diffuse, plasma cell-rich superficial and deep dermatitis. PCR: detection of borrelia antigens.
basal cell carcinoma superficial. eczema-like aspect. only in the marginal area a smooth shiny seam can be detected when enlarged. this seam is the diagnostic "signal" of the superficial basal cell carcinoma and can be "emphasized" by stretching the surrounding skin.
Keratosis areolae mamillae in a patient with erythrodermic psoriasis: Only after the development of erythrodermia did bilateral keratosis areolae mammae develop.
Please login to access all articles, images, and functions.
Our content is available exclusively to medical professionals. If you have already registered, please login. If you haven't, you can register for free (medical professionals only).
Please complete your registration to access all articles and images.
To gain access, you must complete your registration. You either haven't confirmed your e-mail address or we still need proof that you are a member of the medical profession.