J Korean Soc Radiol.  2013 Dec;69(6):469-473.

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

• Yi J
• Yi BH
• Lee HK
• Lee MH
• Lee KW
• Moon AR

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.

MeSH Terms

Adult
Classification
Humans
Kidney Neoplasms
Kidney*
Magnetic Resonance Imaging
Mucins*
World Health Organization
Mucins

Figure

• 

  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).

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  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.

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  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).

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