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Values of endoscopic ultrasonography for diagnosis and treatment of duodenal protruding lesions

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Abstract

Objective

The diagnoses of patients with duodenal protruding lesions are difficult when using conventional examinations such as computed tomography (CT) and conventional endoscope etc. Thus, we investigated the clinical value of endoscopic ultrasonography (EUS) with miniature ultrasonic probes on the diagnosis and treatment of duodenal protruding lesions.

Methods

Patients with duodenal protruding lesions who were indicated for EUS were examined by EUS with 12∼15 MHz miniature ultrasonic probes and double-cavity electronic endoscope. According to diagnosis of EUS, those patients were indicated for biopsy and treatment received biopsy, endoscopic resection or surgical excision. The postoperative histological results were compared with the preoperative diagnosis of EUS. Those patients without endoscopic resection or surgical excision were periodically followed up with EUS.

Results

A total of 169 patients with duodenal protruding lesions were examined by EUS, of which 40 were diagnosed with cysts, 36 with inflammatory protruding or polyp, 25 with Brunner’s gland adenoma, 19 with ectopic pancreas, 17 with gastrointestinal stromal tumor, 12 with extrinsic compression, 12 with minor papilla, 6 with lipoma, 1 with adenocarcinoma and 1 with lymphoma. After EUS examinations, 75 patients received biopsy, endoscopic resection or surgical excision respectively. The postoperative histological results of 70 patients were completely consistent with the preoperative diagnosis of EUS, with 93.33% diagnostic accuracy. The results of follow-up with EUS indicated that duodenal cyst, Brunner’s gland adenoma, ectopic pancreas, gastrointestinal stromal tumor and lipoma remained unchanged within 1∼3 years. No related complications occurred among all patients that received EUS examinations.

Conclusion

EUS is an effective and reliable diagnostic method for duodenal protruding lesions.

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Correspondence to Guo-qiang Xu.

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Project (No. 491010-W10495) supported by the Scientific Research Foundation of Medicine and Health of Zhejiang Province, China

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Xu, Gq., Wu, Yq., Wang, Lj. et al. Values of endoscopic ultrasonography for diagnosis and treatment of duodenal protruding lesions. J. Zhejiang Univ. Sci. B 9, 329–334 (2008). https://doi.org/10.1631/jzus.B0710546

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  • DOI: https://doi.org/10.1631/jzus.B0710546

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