
Idiopathic guttate hypomelanosis L81.5
Hypomelanosis guttata idiopathica: Disseminated, different sized, roundish, white patches on the lower leg of a 63-year-old female patient.

Circumscribed scleroderma L94.0
Scleroderma circumscripts (plaque type). chronic, sharply defined, clearly indurated, whitish atrophic, smooth plaques with surrounding blue-violet to lilac resterythema (lilac ring). the individual plaques expand centrifugally increasingly and fade centrally. subjectively, there is only a slight feeling of tension.

Collagenom storiformes D23.L
Knotig polypoides collagenoma (solitary, nodular non-pigmented lesion):
Dermatoscopy: Radially arranged, tortuous and partially branched vessels with white structureless area and white plaques.
DD: Knotig basalioma, pilomatrixoma, sebaceous gland hyperplasia.

Bubble
bladder. traumatically induced subepithelial bladder in Epidermolysis bullosa simplex. 7-year-old boy, who develops blisters at the heel since the age of 3 years mainly in the warm season after simple exertion. at the upper pole a fresh bulging bladder with a slight inflammatory accompanying reaction is visible. in the picture on the left side a bladder remnant with raised bladder cover is visible. the finding speaks for a traumatic blister formation. since these blisters are induced by banal traumas a corresponding predisposition can be assumed.

Hypomelanosis ito Q82.3
Incontinentia pigmenti achromians: Mosaic-like hypopigmentations of the left trunk and leg in a 2-year-old girl which appeared for the first time in the 4th month of life and have been progressive since then.

Circumscribed scleroderma L94.0
Scleroderma circumscribed, atrophying type (Atrophodermia idiopathica et progressiva Pasini-Pierini): Rather beekeeping development for about 1/2 year, no subjective complaints.

Hand-foot-mouth disease B08.4
Hand-foot-mouth disease, painful 0.3 cm large erythema, papules, aggregated blisters as well as extensive skin detachment on the toes after previous blister formation.

Leprosy lepromatosa A30.50
Leprosy lepromatosa: Leprosy lepromatosa B (Boderline type) with large-area clearly infiltrated, borderline, anaesthetic and hypopigmented plaques, accompanied by inflammatory leprosy reaction

Hypertrophic Lichen planus L43.81
Lichen planus verrucosus. numerous, chronically stationary, 1-4.0 cm in size, rough, brownish or brownish-red, rough, wart-like plaques as well as severe itching. scarring after healing

Lichen sclerosus extragenital L90.0
Lichen sclerosus extragenitaler: white plaque with a shiny surface, existing for several months, completely without symptoms, slowly progressive; differential diagnosis is to exclude a morphea (histological confirmation).

Pseudoleukoderma psoriaticum L81.5
Pseudoleucoderma psoriaticum. white coloration of the skin during cignolin therapy of psoriasis vulgaris. spontaneous regression occurred within 10 days.

Circumscribed scleroderma L94.0
Circumscribed scleroderma (plaque-type): Central whitish, shiny, sclerosed plaques with surrounding lilac ring.

Scar atrophic L90.5
Scar atrophic: extensive atrophy of the skin after many years of use of systemic glucocorticoids (inhaled glucocorticoids due to bronchial asthma). the bizarre scars developed after banal blunt trauma "the skin was torn like a cloth".