Department of Radiology, Faculty of Medicine, Fukuoka University, Fukuoka, Japan.
A 52-year-old woman with abdominal distension underwent computed tomography (CT) that demonstrated extensive paraaortic lymphadenopathy and a right renal mass. Compared to the renal cortex, the lesions exhibited low signal intensity on T1- and T2-weighted images and high intensity on diffusion-weighted magnetic resonance (MR) images. We suspected malignant lymphoma and performed excisional biopsy, which revealed metastatic papillary renal cell carcinoma. Retrospectively, significantly reduced signal on in-phase chemical shift MR images compared to out-of-phase images suggested the presence of intratumoral hemosiderin, a characteristic finding of this entity.
Written by:
Mitsufuji T, Fujimitsu R, Ida M, Urakawa H, Kora S, Takeshita M, Miyajima S, Yoshimitsu K. Are you the author?
Reference: Magn Reson Med Sci. 2011;10(3):201-4.
doi: 10.2463/mrms.10.201
PubMed Abstract
PMID: 21960003
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