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Value of dual-energy CT virtual noncalcium in the diagnosis of sacroiliac joint bone marrow edema

Journal of Hainan Medical University 2021年第16期27卷 35-41页

作者： Dan-Dan Chen Rong-Hua Wang Zhi-Feng Wu Lin-Ning E Department of Imaging Medicine and Nuclear Medicine Shanxi Medical UniversityTaiyuan 030001China Department of Radiology Shanxi Bethune Hospital99 Longcheng StreetTaiyuanShanxi030032China

Objective:To explore the clinical value of dual energy CT(DECT)virtual noncalcium(VNCa)in the diagnosis of sacroiliac joint bone marrow edema(BME).Methods:A collection of 45 patients(21 males,24 females,and an average age of 34 years)who underwent MRI and DECT(Siemens Somatom definition force)examinations for the sacroiliac joints in our hospital from January 2019 to August *** the DECT scan,the bone marrow pseudo-color map was obtained after VNCa *** bone marrow pseudo-color map was evaluated by two *** MRI test results as the gold standard,the application value of DECT VNCa technology in the diagnosis of sacroiliac joint BME was ***:The positive predictive value(PPV),negative predictive value(NPV),sensitivity(Sen),specificity(Spe)and accuracy(Acc)of the qualitative diagnosis of iliac bone and sacral BME with DECT VNCa technology was:80.6%,85.2%,78.4%,86.8%,83.3%and 100%,64.9%,32.5%,100%,70.0%,*** area of edema displayed by quantitative measurement of DECT VNCa image is smaller than the area measured by MRI *** VNCa CT value(-71.66±72.97Hu)of the iliac edema area was higher than that of the non-edema area(-90.27±65.85Hu),and the VNCa CT value of the sacral edema area(-62.90±46.87Hu)was higher than that of the non-edema area(-101.08±134.02Hu),the best cut-off values(Cut-off values)for the quantitative diagnosis of iliac bone and sacral BME by VNCa are-66.40Hu and-50.60Hu,*** curve of the receiver operating characteristic(ROC)of the iliac bone and sacrum area under the cure(AUC)is 0.720 and 0.706 *** is a moderate negative correlation between the VNCa CT values of the ilium and sacrum in the edema area and the conventional CT ***:The DECT VNCa technique has certain effectiveness in the diagnosis of sacroiliac joint BME,and its effectiveness in the diagnosis of ilium BME is better than sacrum.

关键词： Sacroiliac joint bone marrow edema Dual-energy CT Virtual noncalcium(VNCa)

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Vertebral bone Drilling (Puncture) Attenuates the Intractable Pain Due to Vertebral Fractures without Collapse

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Open Journal of Anesthesiology 2016年第4期6卷 70-75页

作者： Koichi Ota Hirosi Nagai Department of Anesthesia Ebetsu City Hospital Ebetsu Japan

Purpose: Osteoporotic vertebral fractures with no sign of vertebral collapse on initial radiographs, which is so-called occult vertebral fractures (VFs), exist. Occult VFs have a high rate of missed diagnosis, and the treatment of these fractures has rarely been discussed in the literature. We evaluated the effects of vertebral bone drilling for the pain due to occults VFs. Materials and Methods: Eighteen patients with painful osteoporotic occult VFs underwent the vertebral bone drilling. We evaluated the clinical outcome by comparing numerical rating scale (NRS) and activity of daily life (ADL) values between before and after the vertebral bone drilling. Comparisons were made by using Wilcoxon signed rank test. Results: The mean baseline NRS and ADL score, and the mean NRS and ALD score after the bone drilling were 8.4 ± 0.8, 2.2 ± 0.6, 2.4 ± 1.0, 4.6 ± 0.5, respectively. Among the patients, we detected significant improvements in NRS pain score and ADL score after the drilling compared with baseline score (p bone drilling at the site of painful vertebral compression fractures alleviated the intractable pain due to osteoporotic occult VFs.

关键词： Vertebral bone Drilling Osteoporosis Occult Vertebral Fractures Vertebroplasty Balloon Kyphoplasty bone marrow edema

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