Can rectal cancer be detected by ultrasound B?

Written by Gong Chun

Oncology

Updated on September 02, 2024

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Can rectal ultrasound detect it? When we perform an abdominal ultrasound for the digestive system, we might see a potential mass in the abdomen, but its specific nature cannot be clearly identified. Therefore, the definitive diagnosis of rectal cancer still relies on biopsy and pathological examination. Thus, it is recommended to go to the hospital and consult a professional oncologist for tests, such as undergoing an endoscopic biopsy or having a surgical procedure to remove and then analyze the pathology to confirm whether it is rectal cancer or not.

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Is rectal cancer hereditary?

This answer is also possible, as one of the causes of any cancer includes the possibility of genetics. However, this possibility is generally small and not everyone is likely to have it. It also depends on the incidence of disease within the entire family. If one is in a high-risk category due to certain genetic factors, then it is crucial to have regular and thorough follow-up checks. Some people might even try treatments specifically targeting genetically inherited colorectal cancer.

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What are the symptoms of rectal cancer?

Symptoms of rectal cancer include changes in bowel habits, such as a feeling of heaviness around the anus, a constant need to defecate, or diarrhea. Some patients may experience constipation, or alternating episodes of diarrhea and constipation. Another common symptom is a change in the shape of the stool, with the stool becoming narrower. Additionally, abdominal pain and rectal bleeding are also common symptoms. Some patients with rectal cancer may exhibit clinical signs of intestinal obstruction, which includes constipation, inability to pass stool or gas, which means no flatulence. This is accompanied by nausea and vomiting. Other common symptoms include significant abdominal pain and bloating.

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General Surgery

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Can colorectal cancer be inherited?

Can rectal cancer be inherited? Rectal cancer is a relatively common type of malignant tumor in the rectum. Genetic factors are among the causes of rectal cancer, but they are not absolute. The proportion of genetic factors in the occurrence of rectal cancer is relatively small. Most causes are related to inhalative lesions of the rectum, and also linked to the patient's lifestyle, bowel habits, etc., which can lead to the occurrence of rectal cancer. So, there is a genetic component, but the likelihood is low. Therefore, for patients with familial hereditary diseases or families where multiple people have rectal cancer, it is important to conduct timely re-examinations with colonoscopies or to perform some genetic screening.

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Written by Liu Liang

Oncology

1min 19sec

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What tests are used to check for rectal cancer?

When clinical symptoms such as diarrhea or constipation, changes in bowel habits, bloody stools, and abdominal pain occur, we should be vigilant about the possibility of rectal cancer. The examination for rectal cancer can start with a digital rectal exam, especially for low-lying rectal cancer, which is closer to the anus; these tumors can be detected through this method. Then, a colonoscopy should be performed to take a biopsy to confirm the diagnosis, which is the gold standard for confirmation. Additionally, blood tests for tumor markers can be conducted. Generally, carcinoembryonic antigen (CEA) and CA199 levels may be elevated, but this is not absolute as their specificity and sensitivity are not very high. An enhanced CT scan of the abdomen can also be done. In such scans, we can see thickening of the intestinal wall where the tumor is located, and the enhancement can show the intensified thickening of the intestinal wall. Combining all these methods can confirm the diagnosis of rectal cancer.

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Written by Gong Chun

Oncology

49sec

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What is the best food to eat after rectal cancer surgery?

For malignant tumors and colorectal cancer, the suggested dietary recommendations after surgery include, first and foremost, consuming nutritious foods to replenish the nutrients depleted by the surgery and the tumor. It is advisable to eat more nutritional items. Secondly, after surgery for rectal cancer, it's important to avoid hard-to-digest and gas-producing foods such as beans, milk, and eggs. Thirdly, it is recommended to consume easily digestible items like soups and nutritious porridge. The fourth recommendation is to avoid spicy and irritating foods, and abstain from alcohol and smoking.