Original Paper

International Urology and Nephrology

, Volume 39, Issue 2, pp 373-376

First online:

Carcinoid tumor arising in a horseshoe kidney

  • Francisco Rodríguez-CovarrubiasAffiliated withDepartment of Urology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán Email author 
  • , Xochitl GómezAffiliated withDepartment of Oncology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán
  • , Juan C. ValerioAffiliated withDepartment of Pathology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán
  • , Carmen Lome-MaldonadoAffiliated withDepartment of Pathology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán
  • , Fernando GabilondoAffiliated withDepartment of Urology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán

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Abstract

Carcinoid tumors are common neoplasms developing in gastrointestinal and respiratory tract. They are rarely found in the kidney. To date, approximately 40 cases of primary renal carcinoid tumors have been reported, with less of a third of them occurring within a horseshoe kidney. These cases appear to have a better prognosis, even in the presence of distant metastases, compared to those arising in normal kidneys.

Keywords

Carcinoid tumor Horseshoe kidney