Pityriasis lichenoides chronica: 19-year-old, otherwise healthy patient with a papular exanthema which has been present for 1 year and runs intermittently.
Purpura pigmentosa progressiva. acute episode with dense distribution of punctiform, red, non-push-off spots (bleeding). in addition, extensive brown coloration (hemosiderin deposition) in the area of the lower legs.
Nevus melanocytic congenital differential diagnosis: Becker nevus: During puberty and postpubertal increasing hairiness of a nevus previously only visible as a brown spot. No symptoms. Typical for the Becker nevus is the "frayed" demarcation to normal skin.
Melanoma, malignant, superficially spreading. reflected light microscopy: Inhomogeneous, black-greyish-bluish pigmented, sharp but irregularly defined plaque with widened reticular ridges and irregular netting meshes. The outer line with streaky, bud-like extensions is characteristic of malignancy.
Dyskeratosis follicularis: Papules and dirty-brownish crusts of a zosteriform-striary dyskeratosis follicularis in the course of the blaschkolines in the upper abdomen and flanks in a 5-year-old girl.
Teleangiectasia macularis eruptiva perstans. 58-year-old patient with a generalized, spot-like clinical picture which has existed for years and shows a constant progression. Itching during sweat-inducing efforts and mechanical exposure of the affected skin areas. Bizarre teleangiectatic vascular convolutions are characteristic.
Lichen simplex chronicus: chronic plaque consisting of peripherally disseminated, solid, red papules confluent in the centre of the lesion; intermittent itching leading to unsuppressible scratching
Netherton syndrome: clinical picture already manifested in childhood with the formation of large, also circulatory, garland-like, brown-red or red surface-rough, scaly plaques; numerous type I sensitizations.
Basal cell carcinoma ulcerated: painless plaque on the trunk that has been present for a long time and is slowly growing; for about 3 months constant weeping and crust formation.
Porokeratosis linearis unilateralis: Multiple, chronically stationary, first appeared 2 years ago, since then persisting, on the lower abdomen half-sided localized, striped, 0.2-4.0 cm large, partly isolated, partly confluent to larger areas, brown, rough papules and plaques.
Generalized atopic eczema: Exacerbated, generalized seizure-like itchy dermatitis with multiple, chronically dynamic, symmetrical, blurred, red, rough, flat plaques as well as flat, dry scaling red spots in a 19-year-old female patient.
Graft-versus-Host-Disease. 12 months after transplantation, reaction due to transmission of allogenic immunocompetent T-lymphocytes. extensive dermatosclerosis with numerous, bizarre, skin-coloured papules and plaques.
Dermatitis solaris. detailed view: formation of acute, disseminated blisters on a surface redness, partly already healing under crusts. highly sensitive to touch (2nd degree burn). at the same time also fever and sensation of heat.
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.