In which procedure does a radiologist instill barium sulfate through the anus into the rectum and then into the colon?

A) Barium swallow
B) Nuclear medicine imaging
C) Barium enema
D) Cholangiography
E) KUB radiography

Barium Enema

A diagnostic imaging test that uses a contrast material called barium to visualize the large intestine for abnormalities.

Barium Sulfate

A compound used in medical imaging to improve the contrast of X-rays and CT scans.

Rectum

The final section of the large intestine, terminating at the anus, where feces are stored before expulsion.