Nodular or nodular basal cell carcinoma. Relatively inconspicuous, sharply defined, completely asymptomatic, red nodule with a smooth, shiny surface (see detailed image and incident light image as inlet). The bizarre (tumor) vessels of the basal cell carcinoma become visible in incident light.
Acne inversa. severe clinical, therapy-resistant findings in a 52-year-old female patient. existing since the age of 20. keloid scars. furthermore inflammatory papules, nodules and extensive indurations.
Tinea corporis: an itchy buttock and thigh condition that has been present for months and is slowly progressive, characterized by scaly edges of the plaques.
Lymphogranuloma inguinale: Greasy ulcer in the area of the coronal furrow in a 26-year-old man, 14 days after unprotected GM in Southeast Asia (chlamydia detection).
Dermatitis contact allergic: Chronic recurrent, massively itching, disseminated red papules and papulo vesicles confluent to blurred plaques. maceration of the 4th CRC. The skin lesions were caused by application of a cream containing gentamicin.
Ulcerated melanoma: 8 cm large, nodular ulcerated (largely amelanotic) melanoma on the right flank, growth over 5 years. The patient died 3 months after diagnosis due to cerebral metastasis.
DD: Rosacea erythematosa (in this case systemic lupus erythematosus): butterfly-like, symmetrical, variable redness and swelling of both cheek areas, excluding the perioral region.
Basal cell carcinoma nodular: Slowly growing, symptomless, surface-smooth, red lump that has existed for several years; conspicuous bizarre vessels that run from the edge over the lump.
Atopic eyelid dermatitis: chronic recurrent atopic eyelid eczema with blurred, distinctly consistency increased, severely itching, periborbital localized red, rough plaques in a 62-year-old man; distinct blepharitis with considerable swelling of the eyelids; severe injection of the conjunctiva; for many years allergic bronchial asthma and rhinoconjunctivitis allergica.
Dermatitis herpetiformis: multiple, disseminated, eminently chronic, itchy, prickly, scratched excoriations, few vesicles (note: the vesicles must be sought in DhD).
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