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Ultrasound guided biopsy of colon cancer aged


, Undergraduate, competent technicians. 1.2 Instruments and methods used SIMENS company Sequoia512 ultrasound diagnostic apparatus, convex array transducer frequency 3.0-5.0MHz, accompanied by special needle holder, with the 18G, long-20am the Trucut biopsy needle and biopsy gun. Patient supine, supported by left and right lateral position. General exploration around the liver and abdominal aortic lymph nodes. Then the whole abdomen to vertical and horizontal continuous scanning, found that mass was to observe the location, size, shape, echo, activity and relationship with surrounding organs; while paying attention to whether the expansion of the proximal intestine,[link widoczny dla zalogowanych], fluid, intestinal peristalsis without change. In determining the lesion after ultrasound guided biopsy, usually 2-3 needle puncture in the lesions. 2 Results 2.1 The pathological findings in 17 cases, 14 cases diagnosed as adenocarcinoma, malignant lymphoma cases l,[link widoczny dla zalogowanych], l cases of small cell tumors, tuberculosis in 1 case. The results as shown in Figure 2.2 Clinical Care Medicine in June 2006 Volume 9, No. 3 2.2.1 abdominal mass l2 cases showed center or partial hyperechoic center, surrounded by hypoechoic mass. Only 4 cases showed heterogeneous hypoechoic ileocecal mass, does not have 1 case of intussusception for the typical performance of the 2.2.2 signs of intestinal obstruction intestinal obstruction in this group 2 patients had signs of proximal intestine showed tumor expansion. 2.2.3 The transfer of signs associated with liver metastasis group 3 adenocarcinomas, and 1 cancer and 1 with malignant lymphoma associated with mesenteric and retroperitoneal lymph node metastasis. Figure 1, hepatic flexure of colon wall was thickened. Was 3 Discussion of colon cancer is a common disease, in recent years with the rapid development of ultrasound technology and image quality improvement of ultrasound in the diagnosis of colon cancer in the security, economic and high diagnostic accuracy, etc. increasingly apparent, and has been widely used in clinical, as endoscopy, x-ray contrast complementary simple and reliable screening method. Ultrasonography is a normal colon wall ring, homogeneous hypoechoic hyperechoic layer encircled,[link widoczny dla zalogowanych], the former muscle, the latter gas and intestine contents, and easy too thin submucosa showed normal wall thickness 2 ~ 3mm, the intestinal gas interference '? beta 0 value,[link widoczny dla zalogowanych], and a certain error, generally thicker than 5mm as abnormal colon. Showed typical lesions of the colon colon wall thickening, showed heterogeneous hypoechoic, irregular lumen narrow, narrow slit appear before the gas chamber if levy. But the Colonic malignant lymphoma, colon and other colon cancer leiomyosarcoma, as well as intestinal tuberculosis, Crohn's disease and other benign diseases also can have this sign. Than relying solely on sonographic identification of disease is very difficult, the final diagnosis requires ultrasound guided biopsy. Results of clinical studies and our experience shows that ultrasound-guided biopsy is to obtain histologically confirmed colon cancer one of the main ways to help colon cancer diagnosis, the method is easily obtained,[link widoczny dla zalogowanych], the patient less pain, good accuracy fewer complications and so J, even in the elderly population in the application, its safety can be effectively guaranteed. Therefore, it is a worthwhile clinical application of minimally invasive inspection technology.
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