A rare case of retroperitoneal hemolymphangioma

International Journal of Surgery Case Reports
Manato OhsawaNaoki Hirabayashi

Abstract

Hemolymphangioma, a rare vascular developmental condition, is characterized by malformed venous and lymphatic components in various proportions. Herein, we report a case of a retroperitoneal cystic tumor in an adult patient. A 68-year-old man presented to our hospital with complaints of abdominal pain and vomiting. His abdomen was distended with upper tenderness but without rebound tenderness. Computed tomography (CT) scanning demonstrated a retroperitoneal cystic tumor at the dorsal part of the pancreatic head. Thus, a diagnosis of liposarcoma or lymphoma was made. The patient was scheduled for surgery after his general condition became stable. Intraoperatively, the cystic tumor was found to have originated from the retroperitoneal space. The tumor was in contact with the pancreatic head, abdominal aorta, and inferior vena cava. There was no invasion into the surrounding tissue. The cystic tumor was resected completely. Histopathological examination revealed that the resected retroperitoneal cystic tumor was a hemolymphangioma. The patient had no recurrence during the 12-month follow-up. Hemolymphangioma is a rare benign tumor, and its accurate diagnosis before surgery is still difficult. Disease presentation may vary from sim...Continue Reading

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