RETROPERITONEAL CYSTIC LYMPHANGIOMA

Abstract
A 41-year-old man had transient pain in the right lumbar area. Three days later the pain returned with nausea and vomiting; his symptoms thereafter, with physical and laboratory findings, suggested sometimes acute appendicitis and sometimes intestinal obstruction due to a mass in the vicinity of the spleen. The explanation at laparotomy was found to be a large retroperitoneal cystic lymphangioma. It was removed despite dense adherence to the descending colon. A second operation became necessary later to relieve, by temporary colostomy, obstruction caused by an inflammatory mass in the descending colon, suggesting diverticulitis, to which portions of the ileum were adherent. No further trouble ascribable to the tumor has been observed in the three years since the second operation. This tumor is believed to be a true neoplasm, benign in nature, and only 16 previous cases are known to have been described.

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