Retroperitoneal lipoma

Retroperitoneal lipoma

The patient may seek advice on account of a swelling or because of indefinite abdominal pain. The swelling sometimes reaches an immense size. Diagnosis is usually by CT scan. A retroperitoneal lipoma sometimes undergoes myxomatous degeneration, a complication that does not occur in a lipoma rance.

Figure 65.22 Representative sagittal computed tomography recon

struction of a right-sided psoas abscess (arrow) (courtesy of Dr K Patel, Homerton University Foundation Trust, London, UK).

size is often malignant (liposarcoma).