关键词:胆囊炎,黄色肉芽肿性;体层摄影术,X线计算机;手术;病理
【摘要】 目的 探讨黄色肉芽肿性胆囊炎的CT表现以及与手术、病理所见的关系。方法 分析了经CT诊断并经手术、病理证实的9例黄色肉芽肿性胆囊炎的CT、临床及手术病理资料。观察胆囊壁厚度、壁内低密度结节、粘膜线、胆囊壁强化程度以及胆囊内有无结石,同时观察胆囊周围的变化。结果 9例均见不同程度的胆囊壁增厚及壁内结节,4例显示粘膜线,3例胆囊增大,3例缩小,6例发现胆囊结石,2例侵犯肝脏,3例胆囊周围炎性浸润,3例伴有胆道扩张。结论 胆囊壁增厚及壁内低密度结节是诊断黄色肉芽肿性胆囊炎的特征性CT表现。
CT diagnosis of xanthogranulomatous cholecystitis (report of 9 cases with manifestations at surgery and pathology)
SUN Xiutang, CHEN Haisong, ZHU Jilan, et al. Department of Radiology, the Second Affiliated Hospital of Qingdao Medical College, Qingdao 266042
【Abstract】 Objective To analyse the CT features of xanthogranulomatous cholecystitis (XGC) and to correlate these features with the surgical findings and pathology. Methods Retrospective analysis was performed in 9 pathologically proved cases of XGC. The following CT features were analyzed: gallbladder wall thickness, intramural hypoattenuated nodules, mucosal line, patterns of wall thickness and enhancement, and the presence of stones. The changes outside the gallbladder were also noticed. Results The gallbladder walls were thickened and intramural hypoattenuated nodules which were pathologically proved to be xanthogranulomatous nodules were seen in all patients. The enhancement of thickened wall was mild or moderate when contrast material was used. The mucosal line was observed in 4 patients, the size of gallbladder was enlarged in 3 while 3 gallbladders were smaller than normal. Stones were found in 6 gallbladders. The changes outside the gallbladder occurred in 5 patients including hepatic involvement in 2, pericholecystic infiltration in 3. Dilatation of biliary tract was detected in 3 cases. Conclusions The CT features of thickened gallbladder wall with intramural hypoattenuated nodules were strongly suggestive of XGC.
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