Teaching Plan Name:BaoJian Wang Academic Year:2012-2013 Term:2 Date.April 15 Period:5-6 Textbook Diagnostic Imaging nnd2010 MBS um atcmatonalstudents Conient Gastrointestinal Imaging 2 Teaching hours 2 Objectives To grasp Gl tract basic changes esophageal imaging Key points How to read the films of barium examination Poo Special terms include filling defects,niche sign.diverticulum Content for self study Post-examination procedure Teaching equipment multimedia Related knowedge hophysogf tract basic changs Teaching methods Heuristic method /discuss Outlines requirements and time allcn Basic Changes of UGI Outine changes Filling defect:A defect in the contour of part of the 10 gastrointestinal tract,as seen by x-ray after contrast medium has been introduced,indicating the presence ofa tumoror foreign body. Diagnosis:foreign body,benign or malignant tumor,etc. Niche sign:A recess which may correspond to an ulcer in the wall 10 of gastrointestinal tract which tends to retain contrast medium Diagnosis:benign ulcer,malignant ulcer(carcinoma).ete. Diverticulum:A circumscribed pouch or sac occurring normally 10 or created by hemiation of the lining mucous membrane through a defect in the muscular coat of a tubular organ. Diagnosis:Esophageal diverticulum,Duodenum diverticulum,etc Pay attention to the rigidity of the GI tract 1 Teaching Plan Name：BaoJian Wang Academic Year：2012-2013 Term :2 Date.April 15 Period：5-6 Textbook Diagnostic Imaging Specialty and Stratification 2010 MBBS autumn (international students) Content Gastrointestinal Imaging 2 Teaching hours 2 Objectives To grasp GI tract basic changes & esophageal imaging Key points How to read the films of barium examination Points difficult to understand Special terms include filling defects, niche sign, diverticulum Content for self study Post-examination procedure Teaching equipment multimedia Related knowledge pathophysiology of GI tract basic changes Teaching methods Heuristic method /discuss Outlines, requirements and time allocation Basic Changes of UGI Outline changes  Filling defect: A defect in the contour of part of the gastrointestinal tract, as seen by x-ray after contrast medium has been introduced, indicating the presence of a tumor or foreign body. Diagnosis: foreign body, benign or malignant tumor, etc.  Niche sign: A recess which may correspond to an ulcer in the wall of gastrointestinal tract which tends to retain contrast medium. Diagnosis: benign ulcer, malignant ulcer (carcinoma), etc.  Diverticulum: A circumscribed pouch or sac occurring normally or created by herniation of the lining mucous membrane through a defect in the muscular coat of a tubular organ. Diagnosis: Esophageal diverticulum, Duodenum diverticulum, etc  Pay attention to the rigidity of the GI tract • 10’ 10’ 10’