Search results
Results From The WOW.Com Content Network
The lesion appears submucosal, is hypervascular and protrudes intraluminally. Upper GI bleeding led to endoscopy, finding an ulcerated mass. Non-enhanced CT image of a small GIST in the posterior stomach wall (arrow). The lesion appears subserosal. Incidental finding. Plain radiographs are not very helpful in the evaluation of GISTs. If an ...
Invasion of tumours through the layers of the gastrointestinal wall is used in staging of tumour spread. This affects treatment and prognosis. The normal thickness of the small intestinal wall is 3–5 mm, [6] and 1–5 mm in the large intestine. [7] Focal, irregular and asymmetrical gastrointestinal wall thickening suggests a malignancy. [7]
Endoscopic submucosal dissection (ESD) is an advanced surgical procedure using endoscopy to remove gastrointestinal tumors that have not entered the muscle layer. ESD may be done in the esophagus, stomach or colon. Application of endoscopic resection (ER) to gastrointestinal (GI) neoplasms is limited to lesions with no risk of nodal metastasis.
Barium X-ray examinations are useful tools for the study of appearance and function of the parts of the gastrointestinal tract. They are used to diagnose and monitor esophageal reflux, dysphagia, hiatus hernia, strictures, diverticula, pyloric stenosis, gastritis, enteritis, volvulus, varices, ulcers, tumors, and gastrointestinal dysmotility, as well as to detect foreign bodies.
Dieulafoy's lesion (French:) is a medical condition characterized by a large tortuous artery [2] most commonly in the stomach wall that erodes and bleeds. It can present in any part of the gastrointestinal tract. [3] It can cause gastric hemorrhage [4] but is relatively uncommon.
Since only a small amount of food can be allowed into the small intestine at a time, the patient will have to eat small amounts of food regularly in order to prevent gastric dumping syndrome. Another major effect is the loss of the intrinsic-factor -secreting parietal cells in the stomach lining.
Most of the time, stomach cancer develops in stages over years. [2] Diagnosis is usually by biopsy done during endoscopy. [1] This is followed by medical imaging to determine if the disease has spread to other parts of the body. [1] Japan and South Korea, two countries that have high rates of the disease, screen for stomach cancer. [2]
A gastrostomy can also be used to treat volvulus of the stomach, where the stomach twists along one of its axes. The tube (or multiple tubes) is used for gastropexy, or adhering the stomach to the abdominal wall, preventing twisting of the stomach. [2] A PEG tube can be used in providing gastric or post-surgical drainage. [6]