摘出１３年後に肺転移を認めたＥｘｔｒａｓｋｅｌｅｔａｌ　ｃｈｏｎｄｒｏｓａｒｃｏｍａの１例

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  • A Case of Extraskeletal Chondrosarcoma Metastatic to the Lung Detected 13 Years after Resection

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A 48-year-old male patient was admitted to our hospital. In 1968 he underwent surgical resection of a left axillary soft tissue tumor, 6.0×5.2×3.4 cm in size, which was diagnosed as extraskeletal chondrosarcoma. He had been well since but in 1981 a small nodular lesion, containing calcifications, was found on the chest X-ray film in the right middle lung field. Anti-tuberculosis therapy was continued for six months without success, and he was referred to our hospital. Metastasis was suspected and segmentectomy of right S-4 which contained the tumor was performed. The histopathological findings were identical to those of the tumor removed in 1968. The doubling time was about 4.5 years. Extraskeletal chondrosarcoma is a rare tumor and remote metastasis may develop after a long interval. Nevertheless, there are few cases like ours in which metastasis occurred as long as over ten years after the first operation. In such cases a differential diagnosis is extremely important.

収録刊行物

  • 肺癌

    肺癌 24 (3), 325-330, 1984

    特定非営利活動法人 日本肺癌学会

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