melanoma, malignant, acrolentiginous. solitary, chronically inpatient, since years existing, slightly size progressive, indolent, recently bleeding in banal traumas, blue-black nodule, which lifts the nail matrix and has almost completely displaced it laterally. the nail itself shows a stripy, brown-black discoloration. the perionychium is brownish pigmented.
Angiosarcoma, epitheloid. condition after surgical removal of the nail for tissue sampling. bleeding tumour grown under the big toe nail, livid to brownish-red. rapid organ metastasis with lethal outcome within 6 months.
melanoma malignes acrolentiginous. dark discoloration of the right small toe existing for years. growth of thickness for 1/2 year, discoloration increasingly decreasing. now: largely amelanotic, centrally ulcerated and macerated nodule at the 5th toe. remark: treated as mycosis for several months.
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