Glazer H S, Anderson D J, Cooper J D, Molina P L, Sagel S S
Mallinckrodt Institute of Radiology, University School of Medicine, St. Louis, MO 63110.
Radiology. 1992 Nov;185(2):395-400. doi: 10.1148/radiology.185.2.1410345.
Some surgeons performing lung transplantation will wrap the bronchial anastomosis with omentum in an attempt to improve healing. The authors retrospectively reviewed the chest radiographs and computed tomographic (CT) scans of 31 patients who underwent lung transplantation with bronchial omentopexy to determine the CT appearance of the intrathoracic omentum and the frequency and type of chest radiographic manifestations created by the omental flap. The omental flap was seen at CT in all patients, was predominantly of fatlike attenuation, and contained linear areas of increased attenuation representing omental vessels. In 16 patients (52%), a total of 29 chest radiographic findings that corresponded to the omental flap were seen. There was no statistically significant correlation between the type of operative procedure and the presence of a chest radiographic correlate for the omentum. The results showed that the omental flap is a potential diagnostic pitfall on post-lung transplantation chest radiographs; when there is confusion, however, the omentum can be identified with CT because of its attenuation value and characteristic course.
一些进行肺移植的外科医生会用大网膜包裹支气管吻合口，试图促进愈合。作者回顾性分析了31例行肺移植并进行支气管大网膜固定术患者的胸部X线片和计算机断层扫描（CT），以确定胸内大网膜的CT表现以及大网膜瓣产生的胸部X线表现的频率和类型。所有患者的CT均可见大网膜瓣，其主要呈脂肪样衰减，包含代表大网膜血管的线性高密度区。16例患者（52%）共出现29项与大网膜瓣对应的胸部X线表现。手术方式与大网膜胸部X线表现之间无统计学显著相关性。结果表明，大网膜瓣是肺移植术后胸部X线片上潜在的诊断陷阱；然而，当出现混淆时，由于其衰减值和特征性走行，CT可识别大网膜。
