Retroperitoneal lymphangioma: A report of 2 cases and a review of the literature regarding the differential diagnoses of retroperitoneal cystic masses

Cystic lymphangioma is a type of benign tumor originating from the lymph vessels. The tumor commonly occurs in childhood, in the head or neck regions, and retroperitoneal localization and presentations in adulthood are rare. Determining a pre-operative diagnosis is often challenging, and in the majo...

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