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MRI of primary non-Hodgkin's lymphoma of the palatine tonsil

¹ Departments of Diagnostic Radiology and Organ Imaging ² Clinical Oncology, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, New Territories, Hong Kong SAR, China

View larger version (137K): [in a new window]   Figure 1. Axial T1 weighted gadolinium enhanced MR image (TR/TE 500/20) of a 41-year-old man demonstrates a well defined rounded left tonsillar non-Hodgkin's lymphoma (arrow). The tumour is of intermediate homogeneous signal intensity similar to the normal tonsil.

View larger version (173K): [in a new window]   Figure 2. Coronal T2 weighted MR image (TR/TE 2500/100) of a 75-year-old woman demonstrates a right tonsillar lymphoma (arrow) of homogeneous mildly increased signal intensity. Lymphadenopathy is present along the right internal jugular chain (arrowheads).

View larger version (137K): [in a new window]   Figure 3. Coronal T1 weighted gadolinium enhanced MR image (TR/TE 500/20) of an 84-year-old man demonstrates a large, well defined lobulated left tonsillar lymphoma (arrows) with small necrotic foci, which is displacing local structures.