Unusual renal cell carcinomas: A pictorial essay

K. A. Kim, J. W. Choi, C. M. Park, C. H. Lee, J. H. Lee, D. K. Yoon, H. Y. Seol

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


Renal cell carcinoma (RCC) is the most common solid renal neoplasm. Clear cell (conventional) carcinoma is the most common pathologic subtype of RCC. Usually RCC is a hypervascular, solid, solitary mass with contour bulging. However, RCC can manifest different features according to the pathologic tumor subtypes. Preoperative diagnosis of cyst-associated RCC is very difficult, especially in cases of RCC originating in a cyst. Multiple or bilateral presentation of RCC occurs in fewer than 5% of cases. In addition, RCCs may demonstrate unusual findings such as infiltrative growth mimicking transitional cell carcinoma, fatty component mimicking angiomyolipoma, severe perinephric infiltration, and extensive calcifications mimicking inflammation or other tumor. RCCs can be associated with hereditary diseases such as von Hippel-Lindau disease. Familiarity with these radiologic features of unusual RCCs can help ensure correct diagnosis and proper management.

Original languageEnglish
Pages (from-to)154-163
Number of pages10
JournalAbdominal Imaging
Issue number2
Publication statusPublished - 2006 Apr
Externally publishedYes


  • Cancer
  • Computed tomography
  • Kidney
  • Malignant neoplasm
  • Renal cell cancer

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Gastroenterology
  • Urology


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