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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 ...
As the tumor grows it may project outside the bowel (exophytic growth) and/or inside the bowel (intraluminal growth), but they most commonly grow exophytically such that the bulk of the tumor projects into the abdominal cavity. If the tumor outstrips its blood supply, it can necrose internally, creating a central fluid-filled cavity with ...
The prognosis for these types of tumors depends heavily on the size of the tumor and the rate of mitosis, however approximately 60 percent of GISTs are diagnosed as benign. [4] Surgery to remove the tumor is the primary treatment method, although imatinib, everolimus, and rapamycin may soon be approved as alternative treatment and management ...
The second part is stabilizing the tumor progression. Gastrinomas have a rate of 60–90% that will become malignant. [15] Patients who do not seek medical treatment such anti-ulcer medication have high rate of recurrence and death secondary to ulcer disease. The prognosis of gastrinoma depends on the level of metastases of the tumor.
Plexiform angiomyxoid myofibroblastic tumor (PAMT), also called plexiform angiomyxoma, [1] plexiform angiomyxoid tumor, [2] or myxofibroma, [3] is an extremely rare benign mesenchymal myxoid tumor along the gastrointestinal tract. Most of PAMTs occur in the gastric antral region, but they can be situated anywhere in the stomach.
Adenoma is a benign tumor of glandular tissue, such as the mucosa of stomach, small intestine, and colon, in which tumor cells form glands or gland-like structures. In hollow organs (digestive tract), the adenoma grows into the lumen - adenomatous polyp or polypoid adenoma.
A benign tumor is a mass of cells that does not invade neighboring tissue or metastasize (spread throughout the body). Compared to malignant (cancerous) tumors, benign tumors generally have a slower growth rate. Benign tumors have relatively well differentiated cells.
[11] [12] [13] Alternatively, they may point to non-cancerous disease processes, benign tumors, or even be within the physiological range of normal. They may appear at the primary site of cancer or be symptoms of cancer metastasis, or spread. Further workup by a trained healthcare professional is required to diagnose cancer. [12] Constitutional ...
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