
Hypertrophic Lichen planus L43.81
Lichen planus verrucosus: multiple, chronically stationary, moderately sharply defined, itchy, whitish, rough papules and plaques on the backs of the hands. no scratch excoriations. reticular, white pattern of the oral mucosa.

Prurigo simplex subacuta L28.2
Prurigo simplex subacuata: typical distribution pattern of the interval-like itching, scratched, inflammatory papules and plaques.

Erythema anulare centrifugum L53.1
Erythema anulare centrifugum. detail view: clearly borderline (well palpable border) and centrally fading plaque on the abdomen of a 54-year-old patient. underlying disease: M. Wegener.

Insect bites (overview) T14.0
Insect bites (overview): acutely occurring, disseminated, itchy blisters and pustules with reddened courtyard.

Lichen planus exanthematicus L43.81
Lichen planus exanthematicus. 32-year-old patient with this clinical picture, which developed within a few weeks and disseminated to the trunk and extremities. 0.1-0.2 cm large, roundish or polygonal, smooth, rough, livid-red, in places whitish papules with a shiny surface. There is distinct itching, but this has not yet led to visible scratching effects.

Chilblain lupus L93.2
Chilblain lupus: reflected light microscopy. dilated, corkscrew-like vessels (arrows) on the dorsal side of the fignerendl song. s. clinical picture. encircles the anemic pressure point of the reflected light microscope

Atopic dermatitis (overview) L20.-
Eczema, atopic. chronic, recurrent itchy red spots and slightly raised, flat, rough red plaques on the back of the left hand, the back and the side edges of the fingers of an 8-month-old girl. Furthermore multiple, disseminated, partly crusty scratch excoriations and isolated rhagades are visible.

Merkel cell carcinoma C44.L
Merkel cell carcinoma, a lesscharacteristically fielded, surface smooth, completely asymptomatic lump that has grown rapidly in recent weeks.

Mycosis fungoides plaque stage C84.0
Mycosis fungoides (plaque stage): 72-year-old male (suction plaque stage of Mycosis fungoides); multiple, disseminated, 2.0-10.0 cm large, occasionally slightly itchy, only slightly increased in consistency, slightly scaly red, poikilodermatous plaques; conspicuous atrophy of the lesional skin (characteristics of the " Granulomatous slackskin")

Dermatomyositis paraneoplastic M33.1

Erythema anulare centrifugum L53.1
Erythema anulare centrifugum: Large-area, polycyclically limited, scaly erythema with an elevated wall on the upper and lower arm of a 64-year-old woman.

Hypertrophic Lichen planus L43.81
lichen (planus) verrucosus. multiple, chronically stationary, blurred, itchy, reddish, rough (wart-like) papules and plaques on the backs of the hands. no scratch excoriations. reticular, white pattern of the oral mucosa.

Erythema multiforme, minus-type L51.0
Erythema multiforme: typical picture with different stages of development of the efflorescences: besides fresh 0.2-0.3 cm large flat papules, further developed large plaques with discrete cockade structure.

Atopic dermatitis (overview) L20.-
Eczema atopic (overview): only slight eczematous infestation of the palms in generalized atopic eczema; hyperlinearity low lichenification

Linear IgA dermatosis L13.8
Dermatosis, IgA-lineare. 29-year-old ptientine; for several months recurrent, vesicular and bullous exanthema; clearly itching.

Purpura senilis D69.2

Wickham's drawing L43.8
Wickham's drawing: The stripes in each efflorescence appear as broad, white differently configured (also branched) lines; characteristic is the livid discoloration of the lichen planus (dermoscopic picture) .

Lichen planus (overview) L43.-
Lichen planus classic type: for several months, red, itchy, polygonal, partially confluent, smooth, shiny papules that have remained in place for several months