PubMed · 16650554
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Shanthi V Sitaraman. 2006. Paleoscopy.. https://doi.org/10.1016/j.gie.2005.10.013
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AIM: To discuss the efficacy of endoscopic mass screening for gastric cancer. METHODS: The data used in this study were the results of mass screening programs for gastric cancer in Niigata City from 2002 to 2004. The number of participants was 35,089 in 2002, 34,557 in 2003 and 36,600 in 2004. The finding ratio referred to the final diagnosis of gastric cancer after a double check of endoscopic files and histological findings. The costs of identifying one case of gastric cancer were calculated based on the total expense for each screening program and additional close examinations. RESULTS: From the analysis of individual screening program with endoscopy, individual screening program with X-ray (ISX) and mass screening program with photofluorography (MSP) in reference to the finding ratio of gastric cancer, endoscopic examination was the best for detecting early gastric cancer, the finding ratio was 0.87% in 2004, approximately 2.7 and 4.6 times higher than those of the ISX and MSP groups. In addition, this novel method was the cheapest means regarding the cost of identifying one case of gastric cancer, which was estimated to be 1,608,000 Japanese yen in 2004. CONCLUSION: Endoscopic mass screening is a promising method and can be effectively applied if a sufficient number of skilled endoscopists become available to staff the system and if city offices support it.
OBJECTIVE: Recently, minimally invasive therapies for renal cell carcinoma have been devised to minimise operative morbidity yet achieve comparable oncologic and functional outcomes. This video summary of laparoscopic transperitoneal organ-preserving kidney cancer resection shows the procedure from the surgeon's view. METHODS: The video and photos show the main steps of the procedure. The results of 40 transperitoneal and retroperitoneal procedures performed during 2001-2005 are discussed. Preoperative preparation includes abdominal computed tomography and ureteral catheterisation. Tumour margins were determined by laparoscopic renal ultrasonography. Vessel control was done by en bloc clamping or solitary clamping of the artery. For optimal macroscopic evaluation of the resection margins, tumour excision was solely done with cold Endoshears followed by pelvicaliceal suture repair and parenchymal closure over surgical bolsters with a biologic haemostatic agent. RESULTS: In 40 cases, we converted to the open procedure only once. The average patients age was 53 yr and mean tumour size was 26 mm. No patient showed positive surgical margins. The mean warm ischemia time was 21 min. Final histopathology revealed renal clear cell carcinoma as the major cell type followed by papillary renal carcinoma. Two patients required blood transfusion. Estimated mean blood loss was 270 ml. Median time of hospitalisation was 6 d. CONCLUSION: Endoscopic partial nephrectomy can be performed by experienced surgeons in selected patients. Tumour location and size and the surgeons' experience and preference are the main parameters to make the decision of the type of access.