A radiographic film of the urinary bladder after air has been placed in the bladder via a urinary catheter is called a:

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A pneumocystogram involves the use of air in the bladder to obtain a radiographic image. A scout film is a preliminary X-ray image used to plan further imaging. A radiocystogram is an outdated term for a cystourethrogram, which involves using contrast dye instead of air. A retrograde pyelogram involves injecting contrast dye into the ureters and kidneys, rather than the bladder.

A Radiographic Film of the Urinary Bladder After Air Has