Key Word(s): 1 endoscopic treatment; 2 biliary pancreatitis; 3

Key Word(s): 1. endoscopic treatment; 2. biliary pancreatitis; 3. elder; Presenting Author: WENJING SUN Additional Authors: XIAOCHUN SHENG, YAN CAO, HAIYAN LIU, CHUNHUI LAN, DONGFENG CHEN Corresponding Author: WENJING SUN Affiliations: Hospital Objective: To evaluate the guidance value of EUS and CT scan in preoperative clinical staging for diagnosis and treatment of esophageal cancer. Methods: 68 patients with esophageal cancer were randomized in a 1 : 1 ratio using a random numbers table. Patients in EUS group were examined by EUS and staged according

to the TNM staging system (2003). Patients in the other group were examined by CT scan. The EUS findings were compared with surgical pathologic findings. Results: The accuracy rates of T staging by EUS were0.0% (0/2) for Tis, 75.0% (3/4) for Tl, 75.0% (6/8) for T2, 86.7% (13/15) for T3, 80.0% (4/5) for T4, and 76.5% (26/34) for T; selleckchem those of N staging were 71.4% (5/7)

for N0, 75% (9/12) for N1, 0.0% (0/11) for N2, 0.0% (0/4) for N3, and 41.2% (14/34) for N. The accuracy rates of T staging by CT scan were 0% (0/1) for Tis, 33.3% (2/6) for T1, 28.6% (2/7) for T2, 78.6% (11/14) for T3, 83.3% (5/6) for T4 and 58.8% (20/34) for T (p = 0.005); those of N staging were77.8% (7/9) for N0, 76.9% (10/13) for N1, 66.7% (4/6) for N2, 50% (3/6) for N3 and 70.6% (24/34) for N (p = 0.005). Conclusion: The accuracy rates of EUS are higher for diagnosis selleck in esophageal cancer and preoperative T staging. The accuracy rates of CT scan are higher for the preoperative N staging. EUS combined with CT scan has great significance Tolmetin for choosing ideal therapy plan for esophageal cancer, and for estimating prognosis of esophageal cancer. Key Word(s): 1. EUS; 2. CT scan; 3. esophageal cancer; 4. clinical staging; Presenting Author: PING HE Additional Authors: ZHUO ZHAO, YUJIA LIU,

HONG XU Corresponding Author: PING HE Affiliations: The First Hospital of Jilin University.; the First Hospital of Jilin University Objective: To evaluate the method of abdominal ultrasound-guided percutaneous endoscopic gastrostomy (PEG) safety and feasibility in clinical work, to give patients the best, safest treatment. Methods: 21 in patients of the First Bethune Hospital of Jilin University carried the percutaneous endoscopic gastrostomy (PEG) through intraoperative abdomen ultrasound of the anterior abdominal wall scan of the position of the abdominal wall and stomach wall closest, looking for the best abdominal wall puncture point, to avoid injure the vessels and vital organs in the abdomen. Results: Abdominal ultrasound-guided percutaneous endoscopic gastrostomy (PEG) was performed in 21 cases, the success rate was 100%; average operation time was 21.5 minutes, the process had no bleeding, vice injury in complications; with the surveillance of 3 months to 4 years, the PEG tube patency and normal use, and no PEG late complications occurred.

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