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Bilateral primary renal lymphoma with orbital metastasis in a child

Primary renal lymphoma (PRL) is a rare condition and bilateral PRL even rarer. Most of these bilateral PRL have been reported in adults. We describe a 3‐year‐old male with bilateral primary renal B cell lymphoma with orbital metastases. We discuss the difficulties in diagnosis and management of this rare presentation of lymphoma. Pediatr Blood Cancer 2009;52:539–541. © 2008 Wiley‐Liss, Inc.