Because liposarcoma is often deep inside your body, an ultrasound can help your doctor place the needle in the right place. Surgical biopsy. Your doctor makes a cut in your skin and removes a ...

This was not palpable but was visualized by ultrasound (Figure 1A) and proved to be a recurrent liposarcoma by image-guided core needle biopsy. The tumor was limited to the abdominal wall.