Collecting Duct Carcinoma with Sarcomatoid Differentiation  in S-Shaped, Crossed-Fused Renal Ectopic Kidney: A First Case Report and Review of the Literature

Collecting Duct Carcinoma with Sarcomatoid Differentiation in S-Shaped, Crossed-Fused Renal Ectopic Kidney: A First Case Report and Review of the Literature

Huseyin Eren¹, Mustafa Ozan Horsanali², Yavuz Metin³, Oguzhan Okcu⁴

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¹ Department of Urology, Recep Tayyip Erdogan University Faculty of Medicine, Rize, Turkey

² Department of Urology, Recep Tayyip Erdogan University Training and Research Hospital, Rize, Turkey

³ Department of Radiology, Recep Tayyip Erdogan University Faculty of Medicine, Rize, Turkey

⁴ Department of Pathology, Recep Tayyip Erdogan University Training and Research Hospital, Rize, Turkey

EJMO 2018, 2(2), 110–113; https://doi.org/10.14744/ejmo.2018.88597

Submitted: 3 December 2017 | Accepted: 8 January 2018 | Published: 5 February 2018

© 2018 by the Author(s). This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution -Noncommercial 4.0 International License (CC-by the license) ( https://creativecommons.org/licenses/by-nc/4.0/ )

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Abstract

A 63-year-old male patient with hematuria and flank pain was admitted. Radiological evaluation revealed S-shaped, left-to-right cross-renal ectopia with a renal mass localized in the upper pole of the right kidney. Three-dimensional computed tomography (3D-CT) showed that the orthotopic moiety had 1 artery and 2 veins, and the ectopic moiety had 1 artery and 1 vein. A nephron-sparing partial nephrectomy was performed. The pathological diagnosis was collecting duct carcinoma with sarcomatoid differentiation. Using 3D-CT, we were able to achieve the appropriate preoperative surgical planning for this challenging case. To our knowledge, this is the first case report of collecting duct carcinoma with sarcomatoid differentiation in a cross-fused renal ectopic kidney.

Keywords

Cancer

kidney neoplasm

nephron-sparing surgery

Conflict of interest

None declared.

References

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