Preoperative assessment of the individual anatomy of the superior petrosal vein complex using balanced fast field echo magnetic resonance imaging.

IF 1.2 4区医学 Q3 ANATOMY & MORPHOLOGY Surgical and Radiologic Anatomy Pub Date : 2023-10-01 Epub Date: 2023-08-07 DOI:10.1007/s00276-023-03220-w

Mohammed Basamh, Nico Sinning, Waleed Ajabnoor, Till Illies, Uwe Kehler

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Abstract

Background: Here, we sought to examine the validity and reproducibility of balanced fast field echo (bFFE) for assessing superior petrosal vein (SPV) complex (SPVC) anatomy.

Methods: Preoperative bFFE or equivalent scans and operative videos were studied and directly compared with regard to the individual anatomical features of SPVCs and their relation to the operative field. The anatomical details of the bFFE findings of the non-operated side (group 2) of all 50 patients were then reviewed, including the presence of petrosal-galenic anastomosis, and finally compared to the operated SPVCs (group 1).

Results: A complete correlation between bFFE and intraoperative findings was observed in 62% of cases and had a significant correlation with 3 Tesla magnet strength and higher pixel bandwidth (r_bis = - 0.47; p = 0.005). The sensitivity and specificity of bFFE magnetic resonance imaging were 93.7 and 95.2%, respectively, for detecting an SPV disturbing the operative field, and 97.3% and 95% for a disturbing tributary, respectively. Each group had 50 SPVCs, with a total of 70 and 64 SPVs, 10 and 11 general SPVC configurations, as well as 29 and 28 different individual anatomical variations in groups 1 and 2, respectively. Both groups had 1-3 SPVs with a similar distribution of frequencies [Chi-square (4) = 27.56; p = 0.0145 (Fisher's exact test)]. The similarity of the general configurations was not statistically significant. The same four predominant configurations constituted 80% of the SPVCs in each group. The vein of the cerebellopontine fissure was most frequently found in 86% and 88% of cases, and a petrosal-galenic anastomosis was seen in 38% and 40% of groups 1 and 2, respectively.

Conclusions: Individual SPVC variations are extensive. Good quality bFFE or equivalents are feasible for preoperative SPVC assessments. However, methods improving vascular visualization are recommended.

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利用平衡快速场回波磁共振成像对岩上静脉复合体的个体解剖结构进行术前评估。

背景：在这里，我们试图检验平衡快速场回波（bFFE）用于评估岩上静脉（SPV）复合体（SPVC）解剖的有效性和再现性。方法：研究术前bFFE或等效扫描和手术录像，并直接比较SPVC的个体解剖特征及其与手术区域的关系。然后回顾了所有50名患者的非手术侧（第2组）的bFFE结果的解剖细节，结果：在62%的病例中观察到bFE与术中表现完全相关，并且与3特斯拉磁体强度和更高的像素带宽（rbis = -0.47；p = 0.005）。bFFE磁共振成像对检测干扰手术视野的SPV的敏感性和特异性分别为93.7%和95.2%，对干扰分支的敏感性和特异度分别为97.3%和95%。每组有50个SPVC，共有70个和64个SPV，10个和11个常规SPVC配置，以及第1组和第2组分别有29个和28个不同的个体解剖变异。两组均有1-3个SPV，频率分布相似[Chi square（4） = 27.56；p = 0.0145（Fisher精确检验）]。一般配置的相似性没有统计学意义。相同的四种主要配置构成了每组SPVC的80%。桥小脑裂静脉最常见于86%和88%的病例，岩-盖层吻合分别见于第1组和第2组的38%和40%。结论：个体SPVC变异广泛。高质量的bFFE或等效物可用于术前SPVC评估。然而，建议采用改善血管可视化的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Surgical and Radiologic Anatomy ANATOMY & MORPHOLOGY-RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

CiteScore

2.70

自引率

14.30%

发文量

183

审稿时长

4-8 weeks

期刊介绍： Anatomy is a morphological science which cannot fail to interest the clinician. The practical application of anatomical research to clinical problems necessitates special adaptation and selectivity in choosing from numerous international works. Although there is a tendency to believe that meaningful advances in anatomy are unlikely, constant revision is necessary. Surgical and Radiologic Anatomy, the first international journal of Clinical anatomy has been created in this spirit. Its goal is to serve clinicians, regardless of speciality-physicians, surgeons, radiologists or other specialists-as an indispensable aid with which they can improve their knowledge of anatomy. Each issue includes: Original papers, review articles, articles on the anatomical bases of medical, surgical and radiological techniques, articles of normal radiologic anatomy, brief reviews of anatomical publications of clinical interest. Particular attention is given to high quality illustrations, which are indispensable for a better understanding of anatomical problems. Surgical and Radiologic Anatomy is a journal written by anatomists for clinicians with a special interest in anatomy.