Differential diagnosis "Cheilitis actinica chronica" : in this case a lichen planus mucosae; especially on the left side the typical reticular (fine-meshed) whitish plaques are recognizable in the area of the red of the lips.
psoriasis vulgaris. seborrhoid psoriasis. large, flat, red, rough plaques with fine-lamellar scaling, localized by the centrofacial system, appearing in a 26-year-old woman. similar skin changes were found on the trunk and the extensor extremities. relapsing course of the disease since adolescence.
Striae cutis distensae: old and fresh (red) striae in obesity permagna and long-term internal and local (steroid inhalation) therapy with glucocorticoids due to bronchial asthma.
Lupus erythematodes chronicus discoides: blurred, red and brown, partly scaly and crusty, hypersensitive plaque, beginning scarring recognizable by the white indurated area on the left side with comedones.
Pediculosis capitis: Numerous nits, recognizable as white spots on the hair shaft, in a 7-year-old girl. Several schoolmates are also affected. Painful lymphadenitis in the occipital region due to scratching effects with subsequent eczematization (lice eczema; not visible here) and impetiginization.
Meesche transverse ligaments: 56 year old woman. 3 months before the present picture was taken, the patient had severe bronchitis. The symmetrical white transverse ligament of all fingernails indicates the temporary, systemic disturbance of the organism. Picture from the collection of Dr. med. Eva Kämmerer
Naevus anaemicus. solitary, permanent, congenital, 1.0-10.0 cm large, bizarrely limited, symptomless, smooth, bright spot on the back of a 33-year-old man. rubbing causes the surrounding area to redden, the spot remains white.
Alopecia neurodermitica. general view: Chronic stationary, temporally to occipitally localized, large-area, diffuse hair loss in a 53-year-old female patient with atopic eczema since childhood. the scalp is partly diffusely reddened, the follicles are preserved. isolated scratch artefacts are visible. the patient also suffers from bronchial asthma and seasonal allergic rhinoconjunctivalis.
Folliculitis decalvans: Alopecia like a footstep with fresh and older scars. Left picture: Inflammatory area with yellowish crusts. The process has been going on for several years, in attacks which last several months. Oral antibiotics improve the severity of the attacks.
Cheilitis actinica chronica, extensive "epidermization" of the lower lip. blurred border to the skin of the lips. pronounced actinic elastosis of the skin.
candidiasis, chronic mucocutaneous (CMC). pronounced doughy and persistent swelling of the lips with several chronic rhagades in Crohn's disease. whitish, flat deposits on the base and back of the tongue. pearlèche on both sides.
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).
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