Neuroendocrine Tumor Arising From Meckel’s Diverticulum Unexpectedly Diagnosed After Diverticulectomy and in Which Multiple Lymph Node Metastases Were Found After Reoperation: A Case Report
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A 47-year-old man with progressive anemia possibly due to digestive tract bleeding was referred to our hospital. Contrast-enhanced computed tomography of the abdomen showed a 2-cm tumor lesion arising near the small intestine. Enteroscopy revealed a 3-cm submucosal tumor at the ileum. A gastrointestinal stromal tumor of the small intestine was suspected, and the patient underwent surgery. During the operation, a diverticulum approximately 60 cm orad to the terminal ileum and a tumor at the top of the diverticulum were observed. Considering the location, Meckel’s diverticulum was suspected. No lymphadenopathy was present in the mesentery. Laparoscopy-assisted resection of the diverticulum without lymph node dissection was performed. The histological diagnosis of the tumor was a well-differentiated neuroendocrine tumor. Given the possibility of lymph node metastasis, we performed a second operation to remove the small intestine and lymph nodes. Histologically, 7 of the 18 dissected lymph nodes were metastatic. he postoperative course was uneventful, and the patient survived without tumor recurrence for another 2 years 8 months. Neuroendocrine tumors of Meckel’s diverticulum are aggressive. Therefore, small intestinal resection along with lymph node dissection might be necessary as part of the surgical strategy.
収録刊行物
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- Yonago Acta Medica
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Yonago Acta Medica 60 (4), 251-254, 2018-02-05
Tottori University Faculty of Medicine
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詳細情報 詳細情報について
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- CRID
- 1390572174128085376
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- NII論文ID
- 120006382846
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- NII書誌ID
- AA00892882
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- ISSN
- 05135710
- 13468049
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- IRDB
- CiNii Articles