SEER Training Modules  Proctoscopy, Sigmoidoscopy, and
Colonoscopy  Inspection of the intestinal tract is done by
tubular endoscopes with appropriate illumination. The instrument
for examination of the rectum is called a proctoscope. To
examine the sigmoid colon, a device called a sigmoidoscope is
used, which can visualize up to 25 cm from the anal verge. To
examine the entire colon from the rectum to the cecum a device
called a fiberoptic colonoscope is used. The sigmoidoscope or
proctoscope can be either rigid or flexible. If a malignancy is
suspected, tissue can be removed during the examination for
histologic study.  An example of a proctoscopy report is shown
in Manipulative Procedures Example 1. Abstract what you think is
pertinent in Example F1 and compare with the suggested
abstraction.