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目的 探索左膈下脂肪浸润 (leftsubphrenicfatinfiltration ,LSFI)是否为急性胰腺炎的 1种CT表现及其形态学特征和出现率。方法 回顾性分析 1 88例连续性急性胰腺炎病例的CT资料 ,观察LSFI的密度、厚度及其CT表现特征。同时对照观察了正常腹部 50例及胸、腹腔积液各 30例左膈下区域的CT表现。结果 LSFI出现率为 40 .96 %。表现为左侧肾上腺上方、左膈肌下表面前方呈软组织密度浸润或局限性的新月形水肿、浸润带 ,其前方存在或不存在 1层正常脂肪组织投影 ;LSFI的厚度为 3～ 50mm ,中位数厚度为 8mm。本组资料对照组 1 1 0例中 ,仅 1例出现相似征象。结论 LSFI是急性胰腺炎CT表现中的 1个新征象 ,随急性胰腺炎病情的转归而变化。大部分最终可以吸收消散 ,小部分则表现为慢性机化过程
Objective To explore whether there is a CT scan of leftsubphrenicfiltration (LSFI) in acute pancreatitis and its morphological characteristics and incidence. Methods The CT data of 1 88 consecutive cases of acute pancreatitis were retrospectively analyzed. The density, thickness and CT features of LSFI were observed. At the same time, 50 cases of normal abdomen and 30 cases of thoracic and peritoneal effusion under the left subphrenic area were observed. Results The incidence of LSFI was 40.96%. The performance of the left adrenal gland above the left diaphragm in front of the infiltration of soft tissue density or localized crescent edema, infiltration zone, in front of its existence or absence of 1 normal adipose tissue projection; LSFI thickness of 3 ~ 50mm, medium The median thickness is 8mm. This group of data control group 110 cases, only 1 case of similar signs. Conclusion LSFI is a new sign of CT in acute pancreatitis, which changes with the prognosis of acute pancreatitis. Most of the final absorption and dissipation, a small part of the performance of the process of chronic mechanization