Computed Tomography and Magnetic Resonance Manifestations of Spinal Pigmented Villonodular Synovitis
Computed Tomography and Magnetic Resonance Manifestations of Spinal Pigmented Villonodular Synovitis
复制标题
脊髓色素沉着绒毛结节性滑膜炎的计算机断层扫描和磁共振表现
DOI：
10.1097/rct.0000000000000244
复制
发表时间：
2015-07-01
影响因子：
1.3
通讯作者：
Yuan, Hui-Shu
中科院分区：
文献类型：
--
作者：
Lang, Ning;Yuan, Hui-Shu
目的探讨脊髓色素沉着绒毛结节性滑膜炎(PVNS)的CT和MRI表现，以提高诊断准确率。方法回顾分析7例经手术病理证实的脊椎PVNS的CT和MRI表现。结果1例表现为小病灶，6例表现为以小关节为中心的分叶状软组织肿块，骨质疏松、膨胀性破坏。3例病灶的CT密度与周围肌肉相似，其余4例病灶相对肌肉略低密度。5例MRI检查中，1例病灶较小，边缘呈低信号，1例信号均匀，无明显低信号结节，余可见多发低信号结节。结论脊柱PVNS的CT和MR表现具有一定的特点，可为术前诊断提供依据。
Objective To study computed tomography (CT) and magnetic resonance imaging (MRI) findings of spinal pigmented villonodular synovitis (PVNS), with the aim of improving diagnostic accuracy. Methods Findings from CT (n = 7) and MRI (n = 5) of 7 cases of spinal PVNS, diagnosed by pathological examination, were retrospectively analyzed. Results One case presented with a small lesion, whereas the remaining 6 cases showed lobulated soft tissue masses centering on the facet joints, with lytic expansive destruction of the bone. The CT density of lesions in 3 cases was similar to that of the surrounding muscles, whereas the remaining 4 cases had lesions that were slightly hypodense relative to muscle. Among 5 cases for which MRI was available, 1 lesion was small with a hypointense edge, 1 manifested homogenous intensity without any obvious hypointense nodule, and multiple hypointensity nodules were visible in the remaining cases. Conclusions The CT and MR manifestations of spinal PVNS have certain characteristics and can provide the basis for the preoperative diagnosis.