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.

Other Voices

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Written by Cui Fang Bo

Oncology

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Has rectal cancer progressed to the advanced stage with vomiting?

Patients with rectal cancer who experience vomiting do not necessarily indicate that their condition has reached an advanced stage; the situation needs to be differentiated and treated accordingly. If nausea and vomiting are due to the gastrointestinal side effects of antitumor treatments such as chemotherapy and radiotherapy, it is unrelated to the severity of rectal cancer. Appropriate antiemetic treatment can provide significant relief. If a rectal cancer patient experiences projectile vomiting due to brain metastases, which lead to an increase in intracranial pressure, it indicates that the disease has progressed to an advanced stage. Some rectal cancer patients may also experience vomiting due to gastrointestinal obstruction caused by the tumor, accompanied by cessation of bowel movements and gas, which are also signs of advanced disease.

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Written by Gong Chun

Oncology

48sec

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Where to apply moxibustion for rectal cancer?

Firstly, the treatment of rectal cancer with moxibustion needs to be differentiated. Everyone has a different constitution. If someone has rectal cancer and has a heat-type constitution, it is not recommended to undergo moxibustion treatment. However, if the patient has a cold-type constitution, moxibustion treatment can be performed. The second issue is where exactly to apply the moxibustion. It can be done on the abdomen, around the navel, where there are acupuncture points, all suitable for moxibustion. For example, the navel, which corresponds to the Shenque point, can be treated with moxibustion. Other points above and below the navel, like Guanyuan and Qihai, can also be used for moxibustion.

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Written by Chen Tian Jing

Colorectal Surgery

1min

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Hemorrhoids bleeding and rectal cancer bleeding

Hemorrhoids or colorectal cancer can both cause local bleeding in the anal area, but there are clear differences between hemorrhoidal bleeding and colorectal cancer bleeding in clinical practice. Hemorrhoidal bleeding is mostly bright red and does not mix with the stool; it is separate bleeding. It may manifest as blood on the finger, or as dripping or spurting blood. Colorectal cancer bleeding, on the other hand, is generally dark red and mixes with the stool, sometimes accompanied by pus and blood. Bleeding from colorectal cancer mainly occurs in the late stages of the disease, usually caused by local mucosal ulceration or tumor rupture. During hemorrhoidal bleeding, an anal scope examination can reveal clear bleeding points above and below the dentate line, while bleeding from colorectal cancer requires examination with an electronic colonoscope to observe the local tumor area, which may show mucosal damage or ulcers.

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Written by Gong Chun

Oncology

47sec

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Is a severely blocked anus a symptom of rectal cancer?

Is anal blockage a manifestation of rectal cancer? The answer could be yes, but it could also be due to hemorrhoids, or other diseases. The main common symptoms of rectal cancer include changes in bowel habits and the characteristics of the stool. There may be frequent bowel movements, diarrhea, or constipation, or alternating constipation and diarrhea, a sensation of anal heaviness, or associated with vague abdominal pain. Symptoms of abdominal pain, intestinal obstruction, and abdominal masses might also appear. When the tumor grows to a certain extent, an abdominal mass can be palpated, which might cause some compressive symptoms, possibly leading to anal blockage as one of the symptoms.

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Written by Liu Liang

Oncology

56sec

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What medicine to take for diarrhea caused by rectal cancer?

Diarrhea is a common symptom of rectal cancer. For symptomatic treatment, we can take medications such as montmorillonite powder or loperamide to alleviate diarrhea, and use probiotics like Bifidobacterium triple or quadruple live bacteria to regulate intestinal flora. However, these treatments only alleviate symptoms rather than cure the underlying disease. The key is to control the rectal cancer itself. Treating the tumor is the fundamental solution. Only when the tumor is under control will the patient's diarrhea symptoms be relieved. Otherwise, even if the symptoms are alleviated by antidiarrheal drugs, if the tumor is not controlled, symptoms including diarrhea, rectal bleeding, and abdominal pain will recur and may even worsen.