Carcinoid Tumors of the Colon and Rectum
What is Carcinoid Tumors of the Colon and Rectum?
Carcinoid Tumors of the Colon and Rectum occur in the Kulchitsky cells of intestinal glands, this is the chromaffin cells. From the mucosal layer due to the lower part of which occurred between the early stage of submucosal extension was attributed to submucosal tumor. The disease is a rare low-grade malignant tumors, mostly local invasive growth and rare metastasis. Carcinoid tumors occur in the appendix, small intestine, rectum, stomach, duodenum and small intestine diverticulum.
Carcinoid Tumors of the Colon and Rectum Causes:
Colorectal carcinoid Tumors is caused by: 1. Genetic factors. 2. Environmental factors. 3. Other high-risk factors: colorectal polyps, inflammatory bowel disease, post-cholecystectomy increases the incidence of colorectal carcinoid.
Carcinoid Tumors of the Colon and Rectum Symptoms:
1. Appendiceal carcinoid. Preoperative diagnosis of appendiceal carcinoid tumors is difficult, the majority of patients are occasionally appendicitis was confirmed at surgery. But there are also a very small number of carcinoid in the appendix root infiltration and intestinal blind when colonoscopy can see the changes around the open appendectomy or a single small change in the uplift.
2. Rectal carcinoid. Anal examination and palpable submucosal mass, quality hardware, smooth edge clear. Colonoscopy can see the relief in the colorectal tumor cases of sexual Keelung, quality hard, smooth, similar to hyperplastic polyps. Diagnosis depends on histopathological examination, the diagnosis rate and the biopsy material technology is directly related to the smaller tumor should be taken with deep, if necessary, removal of electrocoagulation for the entire tumor biopsy.
3. Colorectal carcinoid. Carcinoid tumor was visible endoscopic or yellowish gray, showing no pedicle hemispherical polypoid bulge, smooth surface, the central depression deformities often can be seen. If carcinoid may have a larger surface ulcer formation, the distinction is not easy at this time with colon cancer.
Carcinoid Tumors of the Colon and Rectum Diagnosis:
1. Colorectal carcinoid Tumors can be diagnosed Biopsy. 2. Colonoscopy can see the relief in colorectal tumor cases of sexual Keelung, quality hard, smooth, similar to hyperplastic polyps.
Carcinoid Tumors of the Colon and Rectum Treatment:
Colorectal carcinoid Tumors treatment is still surgery, but also by colonoscopy treatment, chemotherapy, radiotherapy and more.