Rectal examination can usually detect colorectal cancer.

Rectal digital examination can usually detect colorectal cancer. Most people discover their condition in this way. Do you know what the diagnosis of colorectal cancer is generally? In response to this question, experts give the following explanation.

The diagnosis of colorectal cancer mainly includes the following points:

(1) Rectal examination: Rectal cancer in the lower part of the body is much more common in my country than in other countries, accounting for about 77.5%. Therefore, most rectal cancers can be palpated during rectal examination.

(2) Stool examination: Although the fecal occult blood test is not specific for the diagnosis of this disease, the method is simple and easy to perform. This method of colorectal cancer examination can be used as a screening method or may provide clues for early diagnosis.

(3) Sigmoidoscopy: Diagnosis of colorectal cancer 77.7% of colorectal cancer occurs in the rectum and sigmoid colon. The commonly used sigmoidoscope tube is 30 cm long and can directly detect tumors in the anal canal, rectum, and below the middle section of the sigmoid colon.

(4) Barium enema X-ray examination: Patients with lesions in the upper sigmoid colon or higher should undergo a barium enema X-ray examination. Ordinary barium enema X-ray examinations are prone to miss small colorectal cancers. It is best to use air-barium double contrast, which can improve the accuracy of diagnosis and show the location and range of the cancer. This is one of the diagnostic methods for colorectal cancer.

The above is an introduction to the diagnosis of colorectal cancer. I hope it will be helpful to you. If you still have questions, please consult experts online. They will give you appropriate suggestions. Thank you for your support and trust in this website. I sincerely wish you a healthy body.