Histiocyte-rich Xanthomatous Pseudotumor Mimicking Relapse on Positron Emission Tomography Imaging in an Adolescent With Primary Mediastinal Diffuse Large B-cell Lymphoma

Journal of Pediatric Hematology/Oncology, 04/27/2012

This case is an important reminder of the limitations of positron emission tomography/computed tomography imaging in patients with lymphoma and stresses the importance of histologic confirmation of suspected treatment failure or relapse.

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