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Urol Case Rep. 2017 Apr 18;13:34-36. doi: 10.1016/j.eucr.2017.03.011. eCollection 2017 Jul.

Metastatic Renal Cell Carcinoma to Jejunum: An Unusual Case Presentation.

Urology case reports

Igor Medic, Miriam L Enriquez, Robert A Somer

Affiliations

  1. Division of Hematology/Oncology, MD Anderson Cancer Center at Cooper, 2 Cooper Plaza, Camden, NJ 08103, USA.
  2. Department of Pathology, MD Anderson Cancer Center at Cooper, 2 Cooper Plaza, Camden, NJ 08103, USA.

PMID: 28435793 PMCID: PMC5397124 DOI: 10.1016/j.eucr.2017.03.011

Abstract

The small intestine is a very uncommon and peculiar site for metastasis from renal cell carcinoma (RCC). We present a clinical presentation of insidious and unusual development of a jejunal metastasis while having stable disease in a remainder of metastatic sites, in a patient undergoing immunotherapy with nivolumab. Due to the extreme rarity of metastatic renal cell carcinoma to the lumen of the small bowel, it is easy to overlook and misdiagnose symptoms of this pathologic entity, particularly when the remainder of metastatic disease responds well to ongoing therapy.

Keywords: Clear cell; Immunotherapy; Renal cell carcinoma; Small bowel; Small intestine

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