Some observations about the endoscopic diagnosis of colon cancer

This prospective study was conducted with 159 patients of colon cancer who underwent an endoscopy and an operation at the Hospital K in Hanoi. Most frequent symptoms were abdominal pain -81.8%, change of rectal habit- 74.2%, large bowel obstruction-12.6%. The symptoms were lasting for 10.7 months. Rigid endoscopy was performed on 11.3% of patients; and flexible on 88.7%. A majority of tumors -55.99%, were detected in sigmoid colon, 25.9% were necrotic tumors. Synchronous polyps were found in combining with 23.3% of tumors. Endoscopic accuracy reached to 96.9%. In conclusion, endoscopy is the method of choice for detecting the colon cancer