Examination of the rectum : the available methods

Modern medicine has a great set of special tools for the diagnosis of various diseases and the study of the rectum.

There are basic methods of examination:

  • Anoscopy;
  • Sigmoidoscopy;
  • MRI;
  • Clinical and biochemical blood tests;
  • Fecal culture for dysbiosis;
  • Finger examination;
  • fibrocolonoscopy;
  • Colonoscopy.

most simple ways and initial research are clinical and biochemical blood tests and stool for the presence of dysbiosis.

Digital rectal examination

The methodology of this study is mandatory for the diagnosis of diseases of the rectum.Indications for its implementation are the patient complaints of abdominal pain, the presence of disturbances in the functions of the pelvic and bowel activity.

A digital rectal examination helps to assess the condition of the muscles of the anus, as well as to identify pathological changes occurred anal canal and rectum, to assess the degree and type of disease.

examination of the rectum is carried out in various postures of the patient: it may be in a

knee-elbow position, on his back in the gynecological chair, lying down with legs bent at his side.Selecting position mainly depends on the condition of the patient, and the experience and knowledge of a physician who guided medical history may itself determine the optimal position for this study.Analyze this way it is impossible, if the patient is a sharp narrowing of the anus and anal canal soreness.

Anoscopy: the method of instrumental studies

There rectal examination is carried out using a special tool, which is entered into through the anus.Direct indications for analysis is a pain in the anus, blood separation, mucus and pus even, frequent constipation or diarrhea and suspected problems with the rectum.

This method is an additional survey form to the digital rectal method.Before the start of the procedure necessary to carry out the cleansing the colon.


This method of investigation of the rectum is the most common and reliable.With sigmoidoscopy rectal examination carried out at a depth of 30-35 cm from the anus.

direct testimony to this type of diagnosis are a pain in the anus, pus, mucus and blood, as well as irregular chair, its violations and suspected problems with the sigmoid colon.Also, this method is very effective used in the routine inspection and identify at an early stage malignancies.

Before starting the procedure, you must carefully prepare the colon and spend cleaning.The procedure is as follows: proctoscope is introduced into the anal canal and slowly pushing it forward.If in the process of having the pain of them will need to inform your doctor, since in some cases it may be damage to the rectum.Basically, this procedure is virtually painless and requires no special training.


This type of survey is by far the most informative and effective in the identification of benign and malignant tumors.The very first indication to the survey, is the suspected presence of a tumor, severe bleeding, obstruction and foreign bodies.

procedure is as follows: through the anus into the rectum and the colonoscope is introduced gradually pushing it forward at the same time for the unfolding of the intestinal lumen into it pumped air.After the completion of its procedures was evacuated by means of an endoscope.

conduct this kind of survey is contraindicated in the presence of a patient infectious diseases, pulmonary and heart failure, as well as those who suffer from acute ulcerative and ischemic colitis.

MRI Magnetic resonance imaging is an indispensable assistant doctor in detecting colorectal cancer.It is a must when you need to evaluate the extent of tumor process, choose the right tactics treatment, to decide whether surgery.

Also, this method is used to evaluate the results of the treatment.MRI in the diagnosis of cancer helps to visualize the tumor, define its upper and lower limits, the degree of lateral spread and exercise control over the results after chemotherapy.

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