Simple esophageal hiatus omental herina

GE Qing-song; HUA NG Hong; CAO He-tao; WU Xian-hua; WA NG Hong-guo

Abstract：Objective To discusses the characteristic MSCT findings of simple esophageal hiatus omental hernia (SE-HOH) .Methods Prospective study was made on 7 cases of SEHOH confirmed by surgery ,all patients were examined by plain and enhanced MSCT scan to make MPR and MIP with sub-millimeter data .Results All 7 cases showed sizes of a pure fat vascular sac above the diaphragmatic esophageal hiatus (EH) on a cross-sectional image ,among which 3 cases presented oval and 3 presented similar round in shape ,1 case showed lobulated ;Most of them located at the right front side of esophagus .On sagittal images ,the sac all displayed casting fat density shadow at postcordial ,and the morphology of the sac raged from half or triangle in the middle of the sagittal image to that of triangle or semicircle in the parasagittal planar ;In the coronal planar images ,the sac displayed oval in 3 cases ,pear-shaped upside-down in 1 case and lobulated in 1 case ,The bottom of the pure fat vascular sac that presented narrow neck shape connected with abdominal omental fat , and the diaphragmatic esophageal membrane that was shoved off in the upper polar of the pure fat vascular sac linked with the esophageal then formed an angle .The whole 7 cases of MIP images showed that the trunk of GLA was stiff on MIP , and it passed through EH with a symmetric "∩"near the esophagus branch .Gastro-esophageal connections were all loca-ted under the diaphragm .Conclusion The following findings are characteristically presents of SEHOH ,which are of great importance to imaging diagnosis of SEHOH :the expansablity ,morphological plasticity ,closed to the esophagus and con-nected to the abdominal omental of the pure fat vascular sac ,and stiff of the trunk of GLA ,and it passes through EH near the esophagus branch with a symmetric "∩".