Application of multi-slice spiral CT angiography in arteritis
Release date: 2008-09-08
Ma Xiangxing, Zhang Wei, Ma Xiaofeng, Wang Qing, et al. Objective: This study aimed to assess the clinical value of multi-slice spiral CT (MSCT) angiography in diagnosing Takayasu arteritis. Methods: A total of 14 patients with clinically suspected aortitis underwent MSCT angiography. The scanning range extended from the cervical vertebrae down to the pubic symphysis. Post-processing techniques included multiplanar reformation, maximum intensity projection, volume rendering, endoscopic imaging, and vascular analysis. These methods were used to fully visualize the location, extent, and severity of affected blood vessels. Results: CT findings revealed varying degrees of arterial wall thickening, luminal stenosis, or occlusion. Stenosis was often characterized by centripetal narrowing with partial dilation. Based on luminal changes, 8 cases were classified as stenosis-obstructive type, while 6 were mixed type. Combined use of reconstructed and axial images provided clear visualization of the degree of stenosis or occlusion in major vessels and their branches, as well as the formation of collateral circulation. According to the Lupi-Herrea classification, 5 cases were type I, 2 were type II, 6 were type III, and 1 was type IV. The CT findings correlated well with the patients’ clinical symptoms. Conclusion: MSCT angiography is a valuable tool for evaluating both the luminal and wall abnormalities in Takayasu arteritis. Assessing wall thickness is particularly important for early diagnosis, treatment planning, and improving patient outcomes. Given its non-invasive nature, ease of use, and accuracy, it can serve as the primary diagnostic method for this condition. [Keywords] Takayasu arteritis; Tomography, X-ray computed; Angiography
Source: Meditech Medical Network
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