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The stomach is an organ of the gastrointestinal tract that sits in the abdomen. [1] Tumors of the stomach are known as gastric tumors, and can be either benign or malignant (gastric cancer). These tumors arise from the cells of the gastric mucosa which lines the stomach. Typically, most gastric tumors are cancerous and not detected until a ...
Some polyps are tumors and others are non-neoplastic, for example hyperplastic or dysplastic, which are benign. The neoplastic ones are usually benign, although some can be pre-malignant, or concurrent with a malignancy. The name is of ancient origin, in use in English from about 1400 for a nasal polyp, from Latin polypus through Greek. [1]
Cancer of the stomach, also called gastric cancer, is the fourth-most-common type of cancer and the second-highest cause of cancer death globally. [2] Eastern Asia (China, Japan, Korea, Mongolia) is a high-risk area for gastric cancer, and North America, Australia, New Zealand and western and northern Africa are areas with low risk. [5]
Some of the small polyps in the field defect shown in the photo of the opened colon segment may be relatively benign neoplasms. Of polyps less than 10mm in size, found during colonoscopy and followed with repeat colonoscopies for 3 years, 25% were unchanged in size, 35% regressed or shrank in size while 40% grew in size. [56]
Any type of bleeding disorder, such as gastrointestinal bleeding, polyps and cancer, can aggravate iron deficiency, says von Drygalski. Other lesions that bleed, such as ulcers and hemorrhoids ...
Stomach cancer can cause nausea, vomiting, diarrhoea, constipation, and unexplained weight loss. [70] Gastric polyps are adenomas that are usually asymptomatic and benign, but may be the cause of dyspepsia, heartburn, bleeding from the stomach, and, rarely, gastric outlet obstruction. [61] [71] Larger polyps may have become cancerous. [61]
An inflammatory fibroid polyp (IFP) is an uncommon digestive system tumor. [1] J. Vanek initially identified it as a separate pathological entity in 1949 when he reported six case reports of eosinophilic infiltration in gastric submucosal granulomas. [2] It is a single, non-encapsulated polypoid lesion that is typically submucosal.
These usually begin appearing before age 20, but the term juvenile refers to the type of polyp (i.e. benign hamartoma, as opposed to adenoma for example), not to the age of the affected person. [1] While the majority of the polyps found in juvenile polyposis syndrome are non- neoplastic , hamartomatous , self-limiting and benign, there is an ...