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6 Δεκ 2022 · Carcinoid tumors, which are one subset of tumors called neuroendocrine tumors, usually begin in the digestive tract (stomach, appendix, small intestine, colon, rectum) or in the lungs. Carcinoid tumors often don't cause signs and symptoms until late in the disease.
6 Δεκ 2022 · Passing a scope through your rectum (colonoscopy) can help diagnose rectal carcinoid tumors. To see inside your small intestine, your doctor may recommend a test using a pill-sized camera that you swallow (capsule endoscopy).
17 Μαΐ 2024 · The rectum is the last several inches of the large intestine. It starts at the end of the final segment of the colon and ends when it reaches the short, narrow passage known as the anus. Cancer inside the rectum and cancer inside the colon are often referred to together as colorectal cancer.
3 Ιαν 2020 · Colorectal cancer can present with varying symptoms depending on the site of cancer in the colon or rectum. Symptoms are most often changes in stool caliber, followed by gastrointestinal bleeding, abdominal pain, and constipation in patients aged 65 to 79 years.
As a group, tumors of the rectum are considerably different from the group of tumors that arise in the perirectal region: they are most often neoplastic, symptomatic, and malignant, whereas tumors arising in the perirectal region are most commonly congenital, asymptomatic, and benign.
12 Σεπ 2016 · The anal canal extends from the anorectal junction to the anal verge. The World Health Organization classification of anal canal tumors includes (a) anal intraepithelial neoplasia, the precursor of squamous cell carcinoma (SCC), and (b) invasive tumors.
Frequently thought of as a relatively benign condition, there are limited data regarding optimal treatment strategies for both localized and more advanced disease. The aim of this study was to summarize published experiences with rectal carcinoids and to present the most current data.
