切断術後約2年の経過で同側鼠径リンパ節に転移をきたした神経線維肉腫の1例

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We reviewed a case, who was 42 year-old male, of neurofibrosarcoma, occurred primarily at the calcaneal region, with a metastasis to the left inguinal lymph node two years later after amputation below the knee, because of twice recurrences followed twice extirpations.We had diagnosed the primary tumor as neurofibrosarcoma, because the amputated tumor consisted of, histologically, spindle shaped cells with cart wheel pattern.Two years later after amputation, the left inguinal lymph node had been palpable with a tendency of slow growth. Its size had been measured 9×9×11cm 9 years later after amputation.We perfomed the extirpation of the left inguinal tumor. Microscopically, the extirpated tumor consisted of the above described cells with more pleomorphism and atypism. In silver stain, cart wheel pattern, as above described, was seen partially, and at the other part fine reticulin fibers waved and paralleled.It was concluded that it was the metastatic tumor to the inguinal lymph node from the primary lesion.
西日本整形・災害外科学会の論文