The abdomen (commonly called the belly) is the body space between the thorax (chest) and pelvis. The diaphragm forms the upper surface of the abdomen. At the level of the pelvic bones, the abdomen ends and the pelvis begins.

What is abdominal pelvis?

Responsible for supporting upper body weight, the pelvis is defined as the middle part of the human body between the lumbar region of the abdomen superiorly and thighs inferiorly. The human pelvis is composed of the bony pelvis, the pelvic cavity, the pelvic floor, and the perineum.

What is a pelvic and abdomen scan for?

Your doctor has requested a computed tomography scan (CT or CAT) of your abdomen and pelvis. CT scans use X-ray technology and advanced computer analysis to create detailed pictures of your body. A CT scan of the abdomen and pelvis can help diagnose problems in the bladder, uterus, prostate, liver or bowels.