A High-Grade Lymphoma Presenting as Peritoneal Lymphomatosis

This case report describes an 81-year-old patient, who was admitted to the hospital due to abdominal pain, increased abdominal perimeter, edema in the lower limbs and weight loss. Ascites was confirmed through ultrasound, although small amounts of fluid did not allow for study. Abdominal tomography revealed bowel loops crowding, omental cake and ascites; therefore, exploratory laparoscopy was indicated. Peritoneal biopsies were taken, and the diagnosis of peritoneal lymphomatosis was confirmed. Aim: To present an unusual case of peritoneal lymphomatosis as a cause of ascites.