CT colonography is a radiology test that looks at people's large intestines(colon). CT colonography can screen many
options of colon cancer. This test is used to detect polyps or cancers of the colon. CT colonography is safe and reliable. It
can be used if people are too sick to undergo other forms of colon cancer screening.
In our research, we proposed a method for automatic segmentation of the colon from abdominal computed Tomography
(CT) images. Our multistage detection method extracted colon and spited colon into different parts according to the
colon anatomy information. We found that among the five segmented parts of the colon, sigmoid (20%) and rectum
(50%) are more sensitive toward polyps and masses than the other three parts. Our research focused on detecting the
colon by the individual diagnosis of sigmoid and rectum. We think it would make the rapid and easy diagnosis of colon
in its earlier stage and help doctors for analysis of correct position of each part and detect the colon rectal cancer much
easier.
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