Melanoma, malignant, nodular. Malignant melanoma of the primary nodular type. Over the last few months, surface and thickness growth. "Been wet before." Dark brown-black, smooth-surfaced (like polished) lumps. Arrow-marked satellite metastases shimmering bluish through. Encircling a capillary angioma.
Acne vulgaris (overview): Detailed view: multiple, disseminated retention cysts of 0.3-1.2 cm size on the back of a 38-year-old man; multiple, single, blackheads and closely arranged bridge comedones.
Malasseziafolliculitis:disseminated, follicle-bound, itchy, inflammatory papules and papulopustules on the back of a 34-year-old female patient. skin lesions. no evidence of acne vulgaris. no formation of comedones
Acanthosis nigricans maligna: Generalized infestation with hyperkeratotic, partially excoriated papules on symmetrically formed yellow-brown hyperpigmentations in a 75-year-old female patient with ovarian cancer.
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