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Superior rectal vein anatomy, function, diagram
of superior rectal veinor superior hemorrhoidal veinconnects the veins around the rectum to the inferior mesenteric vein. The inferior mesenteric vein carries blood from the large…
Patient education organised by condition
Surgical Gastroenterology Knowledge Centre
General educational articles for patients and families. A consultation is needed for advice about an individual situation.
Latest articles
Knowledge Centre
Colorectal Cancer
Japan seeks approval of fruquintinib for previously treated metastatic colorectal cancer
Colorectal cancer © Stock.adobe.com A new drug application (NDA) has been submitted to Japan’s Ministry of Health, Labor and Welfare seeking approval of fruquintinib (Elnato) for…
Anal Cancer
Anal cancer: how common is it?
Anal cancer is rare in people under the age of 35, with the average age of diagnosis being in the early 60s. According to 2023 data,…
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How gravity causes irritable bowel syndrome
A new theory suggests that the most common gastrointestinal disorder, irritable bowel syndrome (IBS), may be caused by gravity. Brennan Spiegel, MD, MSHSDirector of Health Services…
Anal Fistulas and Abscesses
Causes of anal fistula
The most common cause of anal fistulas is an anal abscess, but there are several other possible causes. Most anal fistulas form in the posterior midline.…
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Atrophic gastritis, but not Helicobacter pylori infection, may be an independent risk factor for colorectal polyps: a retrospective study in China BMC Gastroenterology Department
Bray F, Ferlay J, Soerjomataram I, Siegel R, Torre L, Jemal A. 2018 global cancer statistics: GLOBOCAN estimates worldwide incidence and mortality rates for 36 cancers…
Hemorrhoids
Milligan-Morgan hemorrhoidectomy combined with non-Doppler hemorrhoid artery ligation for the treatment of grade III/IV hemorrhoids: a single-center retrospective study | BMC Gastroenterology
Many treatments are currently available for hemorrhoids, including conservative treatment, instrumental treatment, and surgical treatments such as hemorrhoidectomy, stapled hemorrhoidectomy (SH), and Doppler-guided/assisted HAL. [14,15,16]. Although…
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Rectal varices and hemorrhoids: symptoms, causes, treatment
Although the terms “hemorrhoids” and “rectal varicose veins” are often used interchangeably, they are separate conditions with different causes and treatments. Hemorrhoids, also called piles, are…
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Why pelvic prolapse is more likely to occur after childbirth
You’ve already given birth. Nothing else should come out of the vagina. Worse, it falls out of your rectum like a very uncomfortable and backwards sci-fi…
Anal Fistulas and Abscesses
Cureus Anal adenocarcinoma arising from an intraanal fistula: a case report Crohn’s disease (CD) is an inflammatory disease that can affect any part of the gastrointestinal tract (GIT). November 10, 2022
Cureus Anal adenocarcinoma arising from an intraanal fistula: a case report Crohn’s disease (CD) is an inflammatory disease that can affect any part of the gastrointestinal…