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Yi, Yi, Lee, Lee, Lee, and Moon: Imaging Findings of Mucinous Tubular and Spindle Cell Carcinoma of the Kidney: A Case Report
Uroradiology

Journal of the Korean Society of Radiology 2013; 69(6): 469-473.

Published online: 5 December 2013

DOI: https://doi.org/10.3348/jksr.2013.69.6.469

Imaging Findings of Mucinous Tubular and Spindle Cell Carcinoma of the Kidney: A Case Report

Jisook Yi, MD1, Boem Ha Yi, MD1, Hae Kyung Lee, MD1, Min Hee Lee, MD1, Kwang Woo Lee, MD2, Ah Rim Moon, MD3

1Department of Diagnostic Radiology, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea.

2Department of Urology, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea.

3Department of Pathology, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea.

Corresponding author: Boem Ha Yi, MD. Department of Diagnostic Radiology, Soonchunhyang University Bucheon Hospital, 170 Jomaru-ro, Wonmi-gu, Bucheon 420-767, Korea. Tel. 82-32-621-5851, Fax. 82-32-621-5874, rad1995@schmc.ac.kr

Received 26 July 2013       Accepted 16 October 2013

Copyright © 2013 The Korean Society of Radiology

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Mucinous tubular and spindle cell carcinoma of the kidney has been recognized as a distinct entity in the 2004 World Health Organization classification of adult renal tumors; it constitutes less than 1% of all the renal neoplasm. Radiological features of mucinous tubular and spindle cell carcinoma have been published in a small number of cases. This case report presents a case of mucinous tubular and spindle cell carcinoma, including CT and MR finding.

Keywords: Neoplasm of Kidney, Mucinous Tubular and Spindle Cell Carcinoma of the Kidney, Magnetic Resonance Imaging, Multi-Detector Computed Tomography

Figures and Tables

Fig. 1
CT finding of mucinous tubular and spindle cell carcinoma of the kidney.
A. Precontrast CT scan of 54-year-old male shows isodense mass in upper pole of left kidney with focal calcification (white arrow).
B, C. Contrast enhanced corticomedullary and nephrogenic phase CT scan of axial images show heterogeneous enhancement (black arrow) of well defined solid huge mass and focal calcification (white arrow).
jksr-69-469-g001
Fig. 2
MR finding of mucinous tubular and spindle cell carcinoma of the kidney.
A. Axial T2-weighted fast spine echo MR image demonstrated a well marginated heterogeneously high signal intensity tumor in upper pole of left kidney.
B, C. Gadolinium enhanced dynamic scan shows heterogeneous and delayed mild enhancement of tumor (30 seconds and 90 seconds, respectively).
D. On diffusion weighted image (b value = 800), some area shows high signal intensity (not shown) and the corresponding apparent diffusion coefficient mapping MR image demonstrates diffusion restriction.
jksr-69-469-g002
Fig. 3
Gross and microscopic finding of mucinous tubular and spindle cell carcinoma of the kidney.
A. Specimen shows 13 cm sized well demarcated solid mass in upper pole of left kidney confined to renal capsule. The cut surface of tumor demonstrates yellow-gray color with hemorrhagic foci (balck arrow).
B. On microscopic findings, tubular structures with spindle cells and mucinous component (arrowheads) are manifested (H&E, × 100).
jksr-69-469-g003

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