case_images: PMC11700388_01
case_images: Abdominal CT scan in axial (A), coronal (C), and sagittal (D) planes show a well-defined hypoattenuating, fat density retroperitoneal mass (measurement shown in image (B)) measuring 18.5 cm x 9.7 cm x 8.3 cm occupying most of the right side of the abdominal cavity pushing the bowel loops to the left side. It shows multiple thin internal septa.
case_images: 10.1177_11795476241312825-fig1.jpg
case_images: PMC11700388_01_10.1177_11795476241312825-fig1.jpg
case_images: fig1-11795476241312825
case_images: The mass had thin septae and was not compressing the kidneys, ureters, or major vessels (Figure 1).
case_images: Gross Specimen of the resected retroperitoneal lipoma: with a complete membrane seen like adipose tissue, and is soft. The cut surface revealed a yellow-tan lobulated mass with no areas of necrosis or hemorrhaging.
case_images: 10.1177_11795476241312825-fig2.jpg
case_images: PMC11700388_01_10.1177_11795476241312825-fig2.jpg
case_images: fig2-11795476241312825
case_images: It had a smooth, encapsulated surface and a rubbery texture, displaying a homogeneous, lobulated yellow-cut surface (Figure 2).