Laparoscopic splenectomy: Multi-detector row CT for preoperative evaluation
Laparoscopic splenectomy: Multi-detector row CT for preoperative evaluation
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DOI：
10.1148/radiol.2322030445
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发表时间：
2004-08-01
期刊：
影响因子：
19.7
通讯作者：
Passariello, R
中科院分区：
文献类型：
--
作者：
Napoli, A;Catalano, C;Passariello, R
目的：前瞻性评估多排螺旋计算机断层扫描 (CT)，以确定接受腹腔镜脾切除术的患者的脾体积、脾血管解剖结构以及副脾和实质病变的存在。 材料和方法：22 名准备接受腹腔镜脾切除术的患者接受了多相多排螺旋 CT。两名观察者使用两种手动追踪编辑方式评估脾脏体积。使用可靠性系数（Cronbach alpha）计算两个观察者之间的变异性。生成每种模态的线性回归方程来识别两个观察者之间的相关性。多排 CT 血管造影用于评估脾血管解剖结构。记录副脾和实质病变的存在和数量。 结果：使用每节编辑（技术 1）观察者 A 和 B 的平均脾体积分别为 1,050 和 1,046 mL，使用远程编辑（技术 2）观察者 A 和 B 的平均脾体积分别为 1,067 和 1,068 mL。对于每种编辑方式，α 可靠性系数均高于 0.99，技术 1 和 2 都可以高度预测样本重量，并且 R 2 值大于 0.99 (P < .001)。 CT 血管造影正确显示所有病例的极动脉，以及 1 例病例的胰大动脉的存在。多排 CT 显示所有副脾和局灶性实质病变的存在、数量和大小。结论：多排 CT 体积和解剖学评估提供了准确且可重复的信息。(C) RSNA，2004。
PURPOSE: To prospectively evaluate multi-detector row spiral computed tomography (CT) for determination of splenic volume, splenic vascular anatomy, and presence of accessory spleens and parenchymal lesions in patients who were undergoing laparoscopic splenectomy.MATERIALS AND METHODS: Twenty-two patients who were candidates for laparoscopic splenectomy underwent multiphasic multi-detector row CT. Two observers evaluated splenic volume with two hand-tracing editing modalities. Variability between the two observers was calculated with a reliability coefficient (Cronbach alpha). A linear regression equation for each modality was generated to identify the correlation between the two observers. Multi-detector row CT angiography was evaluated for assessment of splenic vascular anatomy. Presence and number of both accessory spleens and parenchymal lesions were recorded.RESULTS: Mean splenic volume was 1,050 and 1,046 mL, respectively, for observers A and B by using each-section editing (technique 1) and 1,067 and 1,068 mL for observers A and B by using distanced editing (technique 2). For each editing modality, alpha reliability coefficient was higher than 0.99, Both techniques 1 and 2 were very highly predictive of specimen weight and had R 2 values of greater than 0.99 (P < .001). CT angiograms correctly showed polar arteries in all cases and the presence of the arteria pancreatica magna in one case. Multi-detector row CT demonstrated the presence, number, and size of all accessory spleens and of focal parenchymal lesions.CONCLUSION: Multi-detector row CT volumetric and anatomic evaluation provided accurate and reproducible information.(C) RSNA, 2004.