The Japanese Journal of Urology
Online ISSN : 1884-7110
Print ISSN : 0021-5287
ISSN-L : 0021-5287
Case Reports
PRIMARY RETROPERITONEAL CARCINOID TUMOR ASSOCIATED WITH MULTIPLE ENDCRINE NEOPLASIA (MEN) TYPE 1: A CASE REPORT
Syuji ChibaKazuyuki NumakuraKiyofumi SatoyoshiMitsuru SaitoYohei HorikawaKoichiro TakayamaTaketoshi NaraSohei KandaYoshiko MiuraShinya MaitaHiroshi TsurutaTakashi ObaraTeruaki KumazawaShintaro NaritaNorihiko TsuchiyaShigeru SatohTomonori Habuchi
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2011 Volume 102 Issue 6 Pages 735-739

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Abstract
We report an extremely rare case of a 69-year-old man having a retroperitoneal carcinoid tumor associated with multiple endocrine neoplasia (MEN) type 1. The patient whose son and daughter were previously diagnosed with MEN type 1 was admitted to the Department of Endocrinology at our hospital for evaluation of this disorder. Computed tomography (CT) and ultrasonography revealed a parathyroid and retroperitoneal tumor (43mm×34mm). The patient did not consent to surgical management of the tumor; however three years later, a follow-up CT revealed tumor enlargement (55mm×50mm). We were unable to rule out a malignancy, and subsequently resected the tumor. A pathological diagnosis of retroperitoneal carcinoid was made. No local recurrence or metastasis have been observed for 21 months.
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© 2011 Japanese Urological Association
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