Fig. 32
From: Congenital and hereditary cystic diseases of the abdomen
A 41-year-old female patient with newly diagnosed breast cancer underwent a staging body CT examination. a Axial plane post-contrast CT image shows a well-circumscribed retroperitoneal mass (arrows) with a fat-fluid level (arrowhead). b, c Abdominal MRI exam of the same patient showed signal loss within the cyst content on out-of-phase image (c) compared to in-phase image (b). Imaging findings were found to be compatible with chylous fluid containing lymphangioma. Follow-up imaging studies confirmed the stability of this lesion