A Case That in Most Part of the Metastatic Liver Tumor Fell into Spontaneous Necrosis after Surgery of Rectal Cancer

Shigeru Ueda, Tomonori Nakanoko, Hirofumi Hasegawa, Tomonobu Gion, Masayuki Kitamura

研究成果: Contribution to journalArticle査読

抄録

We present a case of a 74-year-old woman treated with maintenance dialysis for chronic renal failure. She had undergone intravascular treatment of lower limb arteriosclerosis obliterans 3 times. Low anterior resection was performed for rectal cancer StageⅡ, but adjuvant chemotherapy was not administered after the operation. S5/S6 partial hepatectomy was performed after confirming a liver metastatic recurrence 7 months after the first operation. Tumor pathology examination of the resected specimen revealed necrosis in most parts of the specimen. Residual primary lesion similar to adenocarcinoma tissue was found only in a small part of the specimen. Artery wall embolism and recanalization image with cholesterol crystals indicated a Grison's lesion, which was considered to have likely developed into tumor necrosis from the embolization. Spontaneous regression of a malignant tumor is a rare condition found 1 case in 6-10 ten thousand cases. In hepatocellular carcinoma, secondary tumor infarction from tumor invasion and tumor thrombus may occur. The present case was a metastatic liver cancer, in which the cholesterol crystal embolism possibly reached the tumor necrosis. The suggested cause of the cholesterol crystal embolism in this case was intravascular treatment related.

本文言語英語
ページ(範囲)2285-2287
ページ数3
ジャーナルGan to kagaku ryoho. Cancer & chemotherapy
42
12
出版ステータス出版済み - 11 1 2015
外部発表はい

All Science Journal Classification (ASJC) codes

  • 腫瘍学
  • 癌研究

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