What are the methods for diagnosing rectal cancer

What are the main methods for diagnosing rectal cancer? Early diagnosis and early treatment of rectal cancer are beneficial to the patient's rapid recovery. Rectal cancer is divided into benign and malignant. If rectal cancer is not diagnosed in time and develops into malignant, it will be difficult to treat. Malignant rectal cancer can be divided into early, middle and late stages. Early diagnosis of rectal cancer is very important. Therefore, we should pay attention to changes in our body and never miss the best time for treatment. The following is a detailed explanation of the diagnosis of rectal cancer.

In the diagnosis of rectal cancer, it is important to ask the patient's medical history carefully, accurately and objectively. Generally, it includes the main symptoms of the current medical history, the course of development and the diagnosis and treatment. Past medical history should understand the diseases related to the current symptoms. These precancerous diseases that may be related to the current rectal cancer provide clues for diagnosis. In addition, personal living habits and family members' cancer history should be inquired. Women's menstruation, childbirth and breastfeeding conditions should also be understood. Physical examinations should pay attention to the overall condition and perform detailed systemic examinations of superficial lymph nodes. If a lump is found, the location, size, shape, boundary, surface, hardness, activity, tenderness, etc. should be noted.
When rectal cancer grows to a certain size, it can be diagnosed using imaging methods. Due to advances in equipment and technology, rectal cancers of 1 cm or less can be detected, and their location, range, shape, and relationship with the surrounding area can be accurately determined. These diagnostic methods for rectal cancer include X-ray examination, B-ultrasound examination, radionuclide examination, computerized tomography (CT) examination, and magnetic resonance imaging technology. These methods can determine the primary site of the cancer and can also detect metastasis. Since they are not invasive examinations, they are easily accepted by patients. Depending on the condition and conditions of the lesion, one, two, or more examination techniques should be selected to make a comprehensive diagnosis; in order to make a final qualitative diagnosis, a pathological biopsy should also be performed.
The biopsy method is determined according to the location and size of the rectal cancer. Rectal cancer in the digestive tract, respiratory system, urinary tract, gynecology and other parts can be biopsied under direct endoscopy. Visceral solid rectal cancers such as liver, lung, pancreas and retroperitoneal malignant rectal cancer require a special puncture needle to absorb the biopsy under ultrasound or CT guidance. If there is fluid accumulation or secretion in the body cavity, it can also be collected for rectal cancer oncology. Non-solid hematopoietic system rectal cancer can be diagnosed by collecting blood and bone marrow for examination.
The above is the knowledge about how to diagnose rectal cancer. It is very important to diagnose and treat rectal cancer in time. This is only related to the physical health of rectal cancer patients. Therefore, doctors must adopt treatment methods suitable for patients to diagnose and treat patients. Never treat blindly. Patients must choose a regular hospital for treatment.