Multifocal Renal Carcinoid Tumor Arising in Horseshoe Kidney with Metastases to the Thyroid

Matthew S. Hartman, Pardeep Mittal, Melinda Lewis

Research output: Contribution to journalArticle

Abstract

Primary renal carcinoid tumor is a rare tumor of the kidney. Less than 40 cases of primary and metastatic renal carcinoids have been reported. There is a strong association of renal carcinoid tumors with horseshoe kidneys [1, 2]. The radiographic appearance is non-specific and overlaps that of renal cell carcinoma. Histopathologic differentiation between these two entities is essential because the treatment and prognosis are entirely different. We report a unique case of multifocal carcinoid tumor within a horseshoe kidney with metastases to the thyroid gland. It has been postulated that the renal carcinoid horseshoe subtype carried a more favorable prognosis; however, our case with multifocal involvement and distant metastases suggests the possibility for a more aggressive course.

Original languageEnglish (US)
Pages (from-to)108-111
Number of pages4
JournalRadiology Case Reports
Volume1
Issue number3
DOIs
StatePublished - Jan 1 2006
Externally publishedYes

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ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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