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Year : 2010  |  Volume : 2  |  Issue : 1  |  Page : 12-16

A decade of clinical experience with extra-adrenal paragangliomas of retroperitoneum: Report of 67 cases and a literature review

Department of Urology, PeKing Union Medical College Hospital, Chinese Academy of Medical Sciences and PeKing Union Medical College, Beijing-100730, China

Correspondence Address:
Han-Zhong Li
Department of Urology, PeKing Union Medical College Hospital, Chinese Academy of Medical Sciences and PeKing Union Medical College Beijing, Postal code: 100730
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DOI: 10.4103/0974-7796.62919

PMID: 20842251

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Object: The purpose was to highlight the diagnosis and treatment of extra-adrenal para-gangliomas, which often causes catecholamine hypersecretion and hypertension. Methods: 67 cases of extra-adrenal paraganglioma of retroperitoneum proven pathologically from 1999 to 2009 were reviewed and studied after operation. Endocrine secretion examinations, B-US, CT, MRI, 131-MIBG, octreotide and hands microcirculation inspection were used to diagnose the disease. Results: All patients underwent successful surgical resection of the tumors, which proved to be paragangliomas. They were from 3 cm to 25 cm in size. Almost all of them were diffusely positive for cgA, syn, NSE and s-100 by immunohitochemical staining. There were nine cases assayed malignant paraganglioma by the follow-up. Conclusions: 131-MIBG and octreotide have high sensitivity and accuracy in diagosing extra-adrenal paraganglioma. Surgical treatment should be carried out on the basis of correct drug preparation of a-receptor blocker, such as prazosin and phenoxybenzamine. Complete surgical excision is the treatment of choice for extra-adrenal paragangliomas as well as recurrent or metastatic disease, which could be resected laparoscopically. Intimate lifelong follow-up is necessary and important.

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