隐匿性肠系膜动脉异常：多层螺旋CT轴位图像与交互式三维重建的比较

Unsuspected mesenteric arterial abnormality: comparison of MDCT axial sections to interactive 3D rendering.

作者信息

Chen Jennifer K, Johnson Pamela T, Horton Karen M, Fishman Elliot K

机构信息

The Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA.

出版信息

AJR Am J Roentgenol. 2007 Oct;189(4):807-13. doi: 10.2214/AJR.07.2137.

DOI:10.2214/AJR.07.2137

PMID:17885049

Abstract

OBJECTIVE

The purpose of our study was to determine how frequently significant mesenteric arterial abnormalities that were identified by interactive 3D CT with volume rendering and maximum intensity projection were detected by axial images alone in a series of patients for whom there was no clinical suspicion of mesenteric vascular disease. Axial CT and 3D interpretations were compared for lesions involving the celiac and superior mesenteric arteries or their branches. On a per-patient basis, the axial and 3D interpretations were equivalent in 24% (10/41) of the cases. Axial CT partially agreed with 3D CT in 10% (4/41), and no mesenteric arterial lesion was reported on axial CT in 66% (27/41). The 3D CT findings were supported by other imaging, surgery, clinical findings, or management in 49% (20/41) of the cases. The mesenteric lesions identified resulted in a change in patient management in 15% (6/41) of the subjects.

CONCLUSION

Unsuspected mesenteric arterial abnormality may elude diagnosis when axial MDCT sections are interpreted without 3D renderings.

摘要

目的

我们研究的目的是确定在一系列临床上未怀疑存在肠系膜血管疾病的患者中，仅通过轴向图像检测到由交互式三维CT容积再现和最大密度投影所识别的显著肠系膜动脉异常的频率。对涉及腹腔干和肠系膜上动脉及其分支的病变，比较轴向CT和三维解读结果。在每位患者中，轴向和三维解读在24%（10/41）的病例中是等效的。轴向CT与三维CT部分一致的占10%（4/41），轴向CT未报告肠系膜动脉病变的占66%（27/41）。三维CT结果在49%（20/41）的病例中得到了其他影像学检查、手术、临床发现或治疗的支持。所识别的肠系膜病变导致15%（6/41）的受试者治疗方案改变。