Ahmad Mohammed Ahmad Nasser  <br/><br/>
The value of preoperative ultrasonography in predicting technical difficulties during laparoscopic cholecystectomy /  
 تقييم دور الفحص بالموجات الصوتية ما قبل الجراحة فى توقع الصعوبات الفنية أثناء إجراء استئصال المرارة بالمنظار  
Ahmad Mohammed Ahmad Nasser ; Supervised Mostafa Abdelhamid Soliman , Ahmed Mahmoud 
 - Cairo :   Ahmad Mohammed Ahmad Nasser ,   2015 
 - 90 P. :   charts , facsimiles ;   25cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty of Medicine - Department of General Surgery 
<br/><br/>  Preopeativ u ltra sonography was done to all patients and 4paramdes  Were delected namety gb wall thi ckness , GBSge , impaction neck   Stones and GB stone s:3e .LC was done to those patients and  reJlected that GB  Wall thickness , contrcted GB , impacted neck stone and  stone s:3e increases   Ditticultis , timming operation , post opercdive complications and in cadence  Conversion to open surgery . so presence these bactors orone       
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<br/><br/><label>Subjects--Index Terms: </label>General surgery Laparoscopic Cholecystctomy Gallbladder  Wall thickness ultrasonography Stones