Double contrast-enhanced ultrasonography of a small intestinal neuroendocrine tumor: a case report of a recommendable imaging modality

Author:

Zhao Jie-ying1,Zhuang Hua1,Luo Yuan1,Su Ming-gang2,Xiong Mo-li3,Wu Yu-ting1

Affiliation:

1. Department of Ultrasound, West China Hospital of Sichuan University, 37#Guo Xue Xiang, Chengdu, Sichuan 610041, China

2. Department of Nuclear Medicine Imaging, West China Hospital of Sichuan University, 37#Guo Xue Xiang, Chengdu, Sichuan 610041, China

3. Department of Pathology, West China Hospital of Sichuan University, 37#Guo Xue Xiang, Chengdu, Sichuan 610041, China

Abstract

Abstract A 57-year-old male presenting with spontaneously relieved abdominal cramp and distension was admitted to the West China Hospital. The diagnosis remained unclear after colonoscopy and computed tomography. Double contrast-enhanced ultrasonography was then performed and a neoplasm in the small intestine was suspected, supported by a thin-section computed tomography and positron emission tomography/computed tomography. This was confirmed pathologically after surgery to be a small intestinal G1 neuroendocrine tumor. Surgery was performed to remove approximately 25 cm of small bowel and a 3-cm solid mass located in the mesentery. The patient had a complete recovery and was tumor-free at the final follow-up. Small intestinal tumors including neuroendocrine tumors have always posed a diagnostic challenge. This case indicated that double contrast-enhanced ultrasonography is feasible in detection of small intestinal neuroendocrine tumors, and it may be an advisable approach assisting diagnosis of small intestinal tumors.

Funder

National Natural Science Foundation of China

Sichuan University

Publisher

Oxford University Press (OUP)

Subject

General Medicine

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