Richter Transformation: An Unexpected Diffuse Large B-cell Lymphoma within a Fatty Mesenteric Mass in a Patient with Refractory CLL

Publication date: Available online 6 June 2017
Source:Current Problems in Diagnostic Radiology
Author(s): Nicholas C. Cleveland, Matthew S. Hartman, Stacey B. Miller, Suzanne C. Schiffman
Richter transformation is the development of a high-grade lymphoma from CLL. This rare disease manifestation is difficult to predict and carries a poor prognosis. We describe the case of a 75-year-old man with refractory CLL who presented with multiple growing fatty abdominal masses on CT and vague abdominal distension. The patient underwent exploratory laparotomy with mass resection due to the non-specific imaging findings. A mesenteric mass was found to contain nodules of diffuse large B-cell lymphoma. This case highlights the importance of radiologists to consider the prospect tumor transformation in the differential diagnosis of enlarging abdominal masses.



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