proctosigmoidoscope

proc·to·sig·moi·do·scope

(prok'tō-sig-moid'ō-skōp),
Instrument used for examination of the sigmoid colon and rectum.
References in periodicals archive ?
40% of colorectal malignancy occurs at rectosigmoid region which are within reach of proctosigmoidoscope.
This difference in the site is due to easy accessibility of rectum and sigmoid by conventional proctosigmoidoscope and flexible sigmoidoscope.