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Article type: Research Article
Authors: Wang, Ruifenga; b | Duan, Xiaoyia | Shen, Conga | Han, Dongb | Ma, Junchaob | Wu, Hulinb | Xu, Xiaotongb | Qin, taob | Fan, Qiujub | Zhang, Zhaoguob | Shi, Weihuab | Guo, Youmina; *
Affiliations: [a] Department of Medical Image, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China | [b] Department of Medical Image, The Affiliated Hospital of Shaanxi University of Chinese Medicine, Shaanxi, China
Correspondence: [*] Corresponding author: Youmin Guo, Department of Medical Image, The First Affiliated Hospital of Xi’an Jiaotong University, No. 277 West Yanta Road, Xi’an, Shaanxi, 710061, China. Tel.: +86 29 85324741; Fax: +86 29 85324743; guoyoumin163@sina.com.
Abstract: OBJECTIVE:To perform quantitative measurement based on the standardized uptake value (SUV) of Tc-99m methylene diphosphonate (MDP) in the normal pelvis using a single-photon emission tomography (SPECT)/computed tomography (CT) scanner. MATERIAL AND METHODS:This retrospective study was performed on 31 patients with cancer undergoing bone SPECT/CT scans with 99mTc-MDP. SUVmax and SUVmean of the normal pelvis were calculated based on the body weight. SUVmax and SUVmean of the bilateral anterior superior iliac spine, posterior superior iliac spine, facies auricularis ossis ilii, ischial tuberosity, and sacrum were also calculated. Furthermore, the correlation of SUVmax and SUVmean of all parts of pelvis with weight, height, and CT was assessed. RESULTS:The data for 31 patients (20 women and 11 men; mean age 58.97±9.12 years; age range 37–87 years) were collected. SUVmax and SUVmean changed from 1.65±0.40 to 3.8±1.0 and from 1.15±0.25 to 2.07±0.58, respectively. The coefficient of variation of SUVmax and SUVmean ranged from 0.22 to 0.31. SUVmax and SUVmean had no statistically significant difference between men and women. SUVmax and SUVmean also showed no significant correlation with weight and height. However, part of SUVmax and SUVmean showed a significant correlation with CT. In addition, SUVmax and SUVmean of the bilateral ischial tuberosity showed a significant correlation with CT values. CONCLUSIONS:Determination of the SUV value of the normal pelvis with 99m Tc-MDP SPECT/CT is feasible and highly reproducible. SUVs of the normal pelvis showed a relatively large variability. As a quantitative imaging biomarker, SUVs might require standardization with adequate reference data for the participant to minimize variability.
Keywords: Bone, pelvis, SPECT/CT, SUV
DOI: 10.3233/XST-180391
Journal: Journal of X-Ray Science and Technology, vol. 26, no. 6, pp. 895-908, 2018
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