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Hypointense renal cell carcinoma: MR imaging with pathologic correlation
S K Sussman1, M F Glickstein, G A Krzymowski
1Department of Radiology, Hartford Hospital, Conn.
Radiology
|November 1, 1990
Abstract:
In two pathologically documented cases of renal cell carcinoma, the appearance of the tumors at magnetic resonance (MR) imaging was markedly hypointense relative to normal renal parenchyma on both T1- and T2-weighted spin-echo images. Pathologic examination of both tumors revealed diffuse iron scattered throughout the tumors. The paramagnetic effect of the iron may account for this unusual hypointense appearance at spin-echo imaging, independent of pulse sequence.