目的 总结分析肝副裂的CT影像，以期提高对肝副裂的认识，避免误诊及手术损害。 方法 回顾性分析2020年9月至12月东莞康华医院1449例上腹部CT，观察肝副裂的检出率及影像表现，记录其分布及形态。 结果 1449例CT中共检出205例具有肝副裂，其CT发现率为14.1%（205/1449），其中男性125例（61%），女性80例（39%），不同性别肝副裂检出率无统计学差异（c2=0.592，P[>]0.05）；所检出肝副裂分布以肝右前叶下段发生率最高（55%）；随着年龄的增长，肝副裂的数目、长度、宽度随之增加，且具有统计学差异（P[<]0.05）；肝副裂CT影像可表现为波浪型（24例）、膈褶型（5例）、楔型（107例）、沟型（68例）及不规则型（1例）。 结论 肝副裂在人群中分布广泛，多排螺旋CT可有效地观察到肝副裂的存在，了解其形态、分布特点，有助于减少对肝副裂的误诊。
Abstract
Objective To summarize and analyze the CT images of accessory fissure of liver, in order to improve the understanding of accessory fissure of liver and avoid misdiagnosis and surgical damage. Methods One thousand four hundred and forty-nine cases of upper abdominal CT in Dongguan Kanghua Hospital from September to December 2020 were retrospectively analyzed. The detection rate and imaging manifestations of accessory fissure of liver were observed, and their distribution and morphology were recorded. Results A total of 205 cases of accessory fissure of liver were detected in 1449 cases, and the CT detection rate was 14.1% (205/1449), including 125 cases of male (61%) and 80 cases of female (39%). There was no statistical difference in the detection rate of accessory fissure of liver between different genders (c2=0.592, P[>]0.05). The highest incidence of accessory fissure was found in the lower segment of the right anterior lobe (55%). With the increasing of age, the number, length and width of accessory fissure of liver increased, with statistical difference (P<0.05). The CT images of accessory fissure of liver showed wavy-type (24 cases), diaphragmatic muscular slip-type (5 cases), wedge-type (107 cases), groove-type (68 cases) and irregular type (1 case). Conclusions The accessory fissures of liver are widely distributed in human population. Multi-slice spiral CT can effectively observe the existence of accessory fissure of liver. With the understanding its morphology and distribution characteristics, we can reduce the misdiagnosis of accessory fissure of liver.
关键词
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CT /
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肝副裂 /
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肝
Key words
Computed tomography /
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Accessory fissures of liver /
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Liver
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