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Case Reports
. 2010 Feb 6;4(1):52-56.
doi: 10.1159/000264644.

A Case of Neuroendocrine Malignant Tumor with Capsule Retention Diagnosed by Double-Balloon Enteroscopy

Jie Chen  1 , Ling Zhang, Wenjun Zhang, Weiqiang Zheng, Duowu Zou, Zhaoshen Li
Affiliations
Case Reports

A Case of Neuroendocrine Malignant Tumor with Capsule Retention Diagnosed by Double-Balloon Enteroscopy

Jie Chen et al. Case Rep Gastroenterol. .

Abstract

The diagnosis of neuroendocrine malignant tumor in the small bowel is difficult [J Oncol 2008;2008:212067]. It is usually found intraoperatively during intestinal resection and confirmed by subsequent histological examination. We reported a case of jejunum neoplasm which was misdiagnosed as Crohn's disease by capsule endoscopy. Capsule endoscopy was stuck in the jejunum stricture and was removed with a snare under double-balloon enteroscopy. The pathology of the biopsy was jejunum small cell malignant carcinoma tending to neuroendocrine malignant tumor. The immunohistochemical result revealed that CD99 and Ki-67 were positive. The patient underwent intestinal resection and the diagnosis of neuroendocrine malignant tumor was confirmed.

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Figures

Fig. 1
Fig. 1
a Erosion and bleeding seen in the capsule endoscopy image. b The jejunum erosion, nodal hyperplasia and stenosis seen in the DBE image. c Capsule endoscope retained at the jejunum stenosis and pulled out with a snare. d Jejunum stenosis as seen in abdominal barium meal X-ray film.
Fig. 2
Fig. 2
The results of pathology. a 40× original magnification. b 100× original magnification.
Fig. 3
Fig. 3
The results of immunohistochemistry. a Positive staining of CD99. b Positive staining of Ki-67.
See this image and copyright information in PMC

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