Focal Xanthogranulomatous Pyelonephritis on FDG PET/CT.
case_report · Level V
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- Record sourced from PubMed, PMID 35384887.
- Also identified by DOI 10.1097/RLU.0000000000004181.
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Abstract
Xanthogranulomatous pyelonephritis is a rare disease that was often accompanied with urinary obstruction. The focal form of xanthogranulomatous pyelonephritis is frequently misdiagnosed as malignancy. Here we present FDG PET/CT findings of a case focal xanthogranulomatous pyelonephritis in a 66-year-old woman with polycystic liver and kidney disease. The image showed a polycystic mass in the inferior pole of right kidney with high FDG uptake in the cystic wall, which was suggestive of a cystic renal carcinoma. Right radical nephrectomy was subsequently performed. The postsurgical pathology revealed xanthogranulomatous pyelonephritis.
Medical subject headings
- Carcinoma, Renal Cell
- Kidney Neoplasms
- Pyelonephritis, Xanthogranulomatous