A Rare Collecting Duct Carcinoma With Widespread Metastasis Visualized by 18F-FDG PET/CT.
case_report · Level V
Where this comes from
- Record sourced from PubMed, PMID 34319954.
- Also identified by DOI 10.1097/RLU.0000000000003860.
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Abstract
Collecting duct carcinoma is a rare and highly aggressive renal tumor with a poor prognosis. The presence of metastasis is common at collecting duct carcinoma diagnosis, but widespread metastases involving multiple soft tissues are extremely unusual. Here, we describe a 65-year-old man presenting with fever and lower leg pain as the first and main manifestations. After receiving anti-infective therapy for over 6 weeks without improvement, 18F-FDG PET/CT revealed a primary renal carcinoma with widespread metastases. A biopsy from the tubercle of fascicular spinal muscle indicated a diagnosis of collecting duct carcinoma.
Medical subject headings
- Carcinoma, Renal Cell
- Kidney Neoplasms