1-Uzmanlık tezi “Comparing CT scaning staging versus laparotomic staging of the Gastric Cancer”
2-Endosonography in the diagnosis and staging of esophageal tumors. Turk J Diagn Intervent Radiol 1994; 1:148-152
3-Endosonography in the Diagnosis of Gastric tumors. Turk J Diagn Intervent Radiol 1996; 2:102-106
4-Staging of the gastric cancer: Comparison preoperatif CT findings versus laparotomia .Turkısh Surgical Congress,May 14-18 1992 İstanbul
5- Endosonography of organs near by upper gatroentestinal sytem tracts. IV. National Ultrasonograpy Congress 25-28 October İstanbul
6-Endosonography,general aspects. IV. National Ultrasonograpy Congress 25-28 October İstanbul
7-Hepatic traumas,treatment modalites and conclusions. XII. National Gastoenterology Congress and II. Turk-Japanes days 25-30 September 1995 İzmir.
8- Early results of 24 patients of periampullary region tumors.II. Hepato-pancreatico-bilier congress. 21-22 September 1995 İstanbul.
9-Early postoperatif results of 8 patients of hepatic resections . II. Hepato-pancreatico-bilier congress. 21-22 September 1995 İstanbul.
10- Diagnosis,stageing criteria and treatment results of distal common bile duct tumors. II. Hepato-pancreatico-bilier congress. 21-22 September 1995 İstanbul.
11- The role of the Computer in Surgical patients records ,analysis and data transfer. National Surgical Congress 15-19 May 1996 Antalya.
12- Percutan modalities versus open surgical technics at Hepatic hydatid disease. National Surgical Congress 15-19 May 1996 Antalya.
13-Pylor preserving and clasic pancreticoduodenectomy cases at periampullary and pancreatic cancer. National Surgical Congress 15-19 May 1996 Antalya.
14-The role of endosonography Diferatial diagnosis and staging of gastric carcinoma and lenfoma. National Surgical Congress 15-19 May 1996 Antalya.
15-Diagnosis and curative results at cancer of distal common bile duct . National Surgical Congress 15-19 May 1996 Antalya.