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Renal angiomyolipoma with calcification: CT-pathology correlation
S Merran1, A Vieillefond, M Peyromaure
1FMP Département d'Imagerie Médicale, Hôpital Cochin Service, 24 rue saint Victor, 75005 Paris, France.
The British Journal of Radiology
|September 28, 2004
Summary
Fatty renal tumors are typically angiomyolipomas. This case highlights a rare calcified angiomyolipoma, demonstrating osseous metaplasia as the cause of calcification in these benign kidney tumors.
Area of Science:
- Nephrology
- Radiology
- Pathology
Background:
- Fat-containing renal tumors are commonly diagnosed as angiomyolipomas via imaging.
- Renal cell carcinoma can rarely present as a fatty renal tumor.
- Calcification within angiomyolipomas is an infrequently observed phenomenon.
Observation:
- A case of a fatty renal tumor with calcification was identified.
- The tumor was pathologically confirmed as an angiomyolipoma.
Findings:
- The presence of calcification within the angiomyolipoma was noted.
- Histological examination revealed that the calcification was due to osseous metaplasia.
Implications:
- This case underscores the importance of considering angiomyolipoma even with calcifications.
- Osseous metaplasia is a potential cause for calcification in renal angiomyolipomas.
- Radiological and pathological correlation is crucial for accurate diagnosis of renal tumors.