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期刊信息  
创刊日期：1990年
主管单位：中国人民共和国卫生部
主办单位：中国医学影像技术研究会
　　　　　中国医科大学
承办单位：中国医科大学附属盛京医院
　　　　　辽宁省医学影像学会
编辑出版：《中国临床医学影像杂志》
　　　　　编辑部
刊　　期：月刊
2020 Vol. 31, No. 6
Published: 2020-06-20
 
381 Imaging findings of brain injury caused by hydrogen sulfide poisoning
TANG Dai-di, WANG Chun-yan, DAI Ying-jun, MA Jin-lin, ZHANG Hong-tao, SHENG Fu-geng
DOI: 10.12117/jccmi.2020.06.001
Objective: To explore the CT and MRI imaging findings of brain injury caused by hydrogen sulfide gas poisoning in order to improve the understanding and diagnosis of brain injury caused by hydrogen sulfide gas poisoning. Methods: The imaging data of 12 patients with hydrogen sulfide gas poisoning in our hospital from January 2016 to November 2018 were analyzed retrospectively. The density and distribution of lesions and the characteristics of T2WI, T1WI, DWI and T2-Flair signals were compared. Results: Both CT and MRI showed multiple and symmetrical distribution of lesions in the brain. CT showed symmetrical low density shadow, mainly distributed in the basal ganglia, around the lateral ventricle and in the center of the semicircular circle. Among them, two cases with brain edema showed extensive decreased density of brain parenchyma and unclear boundary of skin and medulla on CT. The range of lesions found by MRI was larger than that by CT. The lesions were symmetrical and distributed symmetrically. Symmetrical long T1 and T2 signals were found in bilateral frontoparietal white matter, semi-oval center, periventricular nucleus and basal ganglia nucleus. DWI and T2-Flair images showed symmetrical high signal intensity. In only one patient, the lesion was localized in the basal ganglia, showing slightly longer T1 and T2 signals in the head of the caudate nucleus and lenticular nucleus, hyperintense on T2-Flair and hyperintense on DWI. Conclusion: The imaging findings of CT and MRI are of great value in the diagnosis and follow-up of brain injury caused by hydrogen sulfide poisoning. The symmetrical density of CT and abnormal signal of MRI in basal ganglia and extensive brain edema are characteristic.
2020 Vol. 31 (6): 381-384 [Abstract] ( 947 ) HTML (1 KB)  PDF  (0 KB)  ( 59 )
385 Ultrasound-based scoring system for differential diagnosis of Warthin tumors and pleomorphic adenomas in parotid gland
HAN Ming-li1, WANG Dong-hua2, SHI Qiu-sheng1, CHEN Hong-yan2, ZHU Hui2, DU Lian-fang1
DOI: 10.12117/jccmi.2020.06.002
Objective: To evaluate the value of ultrasound-based scoring system in differential diagnosis of Warthin tumors and pleomorphic adenomas in parotid gland. Methods: Forty Warthin tumors and 41 pleomorphic adenomas were proved by surgical histopathology after the ultrasonography process. And the parameters including gender, age, maximum diameter, height/width ratio, number of lesions, echogenicity, reticular cord, shape, margin, posterior echogenicity, cystic degeneration, calcification and blood flow were retrospectively compared between the groups mentioned above. After that, the independent risk factors were screened by multivariate stepwise Logistic regression analysis. Then, a scoring system was established. The receiver operating characteristic(ROC) curve was also plotted to calculate the diagnostic efficacy of the scoring system. Results: There were statistically significant differences between the two groups in the next eight parameters including gender, age, maximum diameter, height/width ratio, number of lesions, echogenicity, reticular cord, and blood flow(P＜0.05). Furthermore, among of which, the gender, age, height/width ratio, echogenicity, or blood flow was individually independent risk factors to Warthin tumors. The scoring system was established with 0 or 1 point for each risk factor, and the total scores summed up to 0～5 points. The highest efficiency, the sensitivity, specificity and accuracy of the diagnosis of Warthin tumors were 97.5%, 85.36% and 91.35% while the cut-off value of ≥3 was set, respectively. Conclusion: The ultrasound-based scoring system has highly diagnostic efficiency in differentiating Warthin tumors from pleomorphic adenomas in parotid gland. Though simple, but it is an easy way to perform in clinical practice.
2020 Vol. 31 (6): 385-389 [Abstract] ( 891 ) HTML (1 KB)  PDF  (0 KB)  ( 52 )
390 Short-term and long-term effects of ultrasound-guided microwave ablation on benign thyroid nodules and its effects on TSH, FT3 and FT4 levels
SHI Tai-ying, SHANG Zhen-miao, ZHANG Qi-ru
DOI: 10.12117/jccmi.2020.06.003
Objective: To observe the short-term and long-term effects of ultrasound-guided microwave ablation(MWA) in the treatment of benign thyroid nodules(BTN) and its effects on thyroid stimulating hormone(TSH), free triiodothyronine(FT3) and free thyroxine(FT4) level of influence. Methods: Ninety-five patients with BTN were divided into the conventional group(46 cases, conventional thyroidectomy) and the observation group(49 cases, ultrasound-guided MWA treatment) depending on the treatment. The perioperative parameters of the two groups were compared. The curative effect at 1, 3, 6, 12, 18 months postoperatively of observation group was observed. The levels of TSH, FT3, and FT4 before operation and 6 months after operation were compared of the two groups. The complications were statisticed and compared between the two groups. Results: The operation time and hospitalization time of the observation group were shorter than those of the conventional group(P<0.05), which of the intraoperative blood loss was less than that of the conventional group(P<0.05), which of the postoperative scar length was shorter than the conventional group(P<0.05). After the prolongation of time, the volume of nodules in the observation group showed a significant decrease(P<0.05), and the rate of nodule reduction showed a significant increase(P<0.05). The level of TSH in the conventional group increased 6 months after operation(P<0.05), which of the levels of FT3 and FT4 were reduced(P<0.05). The TSH level of the observation group was lower than that of the conventional group(P<0.05), which of the FT3 and FT4 levels were higher than those of the conventional group(P<0.05). The total complication rate of the observation group was lower than that of the conventional group(P<0.05). Conclusion: Ultrasound-guided MWA is effective in the treatment of BTN in short-term and long-term. Compared with conventional thyroidectomy, its operation time is shorter, intraoperative blood loss is less, scar is shorter, the recovery speed is faster, the thyroid function is less affected, and the complications are less.
2020 Vol. 31 (6): 390-393 [Abstract] ( 785 ) HTML (1 KB)  PDF  (0 KB)  ( 57 )
394 The value of clinical, serological and CT characteristic nomogram in predicting lymph node metastasis in the central region of thyroid papillary carcinoma
LIU Wen-hua, SHI Yang, LI Min, GENG Xing-dong, REN Guo-qiang, ZHANG Heng, TANG Zhi-yang, JIANG Min
DOI: 10.12117/jccmi.2020.06.004
Objective: To analyze the clinical, serological and CT features of papillary carcinoma(PTC) and search independent risk factors associated with lymph node metastasis in the central region of neck. Methods: One hundred and twenty-six cases in our hospital confirmed for PTC by immunohistochemistry after thyroid surgery from January 2017 to May 2019 were divided into central lymph node metastasis(CLNM) positive group and CLNM negative group according to the presence of lymph node metastasis in central region. Then clinical, serological and CT imaging features of the two groups were analyzed by single factor and Logistic stepwise regression to determine independent risk factors responsible for cervical lymph node metastasis in the central region of neck. The results of the prediction model were visualized by using nomograms, and the prediction model was evaluated by using ROC curve. Results: The result showed that age, tumor maximum diameter, tumor site, venous CT value, multiple lesions, microcalcification, capsule invasion, thyroglobulin(Tg) and thyroid stimulating hormone(TSH) were significantly correlated with CLNM(P<0.05) according to single factor analysis of 65 cases of CLNM positive group and 61 cases of CLNM negative group. The model optimization ultimately included age, cancer site, venous CT value, multiple lesions, microcalcification, and envelope invasion into the prediction model. The nomogram was established based on independent risk factors selected by Logistic stepwise regression, with AUC of 0.806, specificity of 0.705 and sensitivity of 0.769. Conclusion: The younger the age of the patients, the middle stage, low CT value(venous stage) enhancement, multiple lesions, microcalcification and capsule invasion are independent risk factors for lymph node metastasis in the central region of PTC.
2020 Vol. 31 (6): 394-397 [Abstract] ( 828 ) HTML (1 KB)  PDF  (0 KB)  ( 61 )
398 DBT-based radiomics for differentiating benign and malignant breast lesions
JIANG Wen-yan1, NIU Shu-xian2, ZHANG Meng-yao2, CUI Lin-peng2,
DOI: 10.12117/jccmi.2020.06.005
Objective: To evaluate the role of DBT-based radiomics in differentiating benign and malignant breast lesions. Methods: Breast DBT data of 160 patients were collected from Liaoning Cancer Hospital from September 2017 to April 2018 were analyzed. Radiomics features were extracted and analyzed. A nomogram model for distinguishing benign and malignant lesions was constructed. The clinical applicability of the nomogram was further evaluated by decision curve analysis. The predictive abilities of the models were evaluated by ROC curves and AUC values. Result: The AUC values of the constructed nomogram were 0.942(SEN=0.833, SPE=0.928) and 0.928(SEN=0.926, SPE=0.839) in the training and validation cohorts, respectively. The DCA analyses showed that our nomogram had good clinical value. Conclusion: Our nomogram model based on breast DBT image features has great potential in non-invasive distinguishing benign and malignant lesions.
2020 Vol. 31 (6): 398-402 [Abstract] ( 935 ) HTML (1 KB)  PDF  (0 KB)  ( 65 )
403 Application value of superb micro-vascular imaging combined BI-RADS-US classification in the diagnosis of breast cancer
WANG Shuai
DOI: 10.12117/jccmi.2020.06.006
Objective: To assess the combination of superb micro-vascular imaging(SMI) and BI-RADS-US classification in the diagnosis of breast cancer. Methods: This study included 136 patients with 174 breast tumors, all patients enrolled in the joint application of SMI and BI-RADS-US classification examination for diagnosis confirmed by pathology finally. Results: The Alder scale from 0～Ⅲ accounted for benign and malignant tumors by SMI were 88.78%(87/98), 8.16%(8/98), 2.04%(2/98), 1.02%(1/98) and 1.32%(1/76), 9.21%(7/76), 61.84%(47/76), 27.63%(21/76), respectively. The difference between the two groups was statistically significant(P<0.05)． The sensitivity, specificity, accuracy of BI-RADS-US alone and SMI with BI-RADS-US was 77.63%, 83.67%, 61.30% and 94.74%, 91.84%, 86.58%. The combination of SMI and BI-RADS-US was superior to BI-RADS-US alone, the difference between the two groups was statistically significant(P<0.05). Conclusion: The combination of SMI and BI-RADS-US is more effective method for evaluating the diagnostic value of breast cancer than BI-RADS-US alone, having comparatively higher value for clinical application．
2020 Vol. 31 (6): 403-405 [Abstract] ( 760 ) HTML (1 KB)  PDF  (0 KB)  ( 60 )
406 Sensitivity and specificity analysis of 3.0T MR dynamic contrast curve combined with ADC for differential diagnosis of benign and malignant breast lesions
SUN Rong, SHI Fa-lan
DOI: 10.12117/jccmi.2020.06.007
Objective: To analyze the application value of 3.0T MR dynamic enhancement curve combined with ADC in differential diagnosis of benign and malignant breast lesions. Methods: The patients with breast lesions from January 2017 to March 2019 in our hospital were divided into benign lesion group and malignant lesion group according to the pathological diagnosis. The subjects were examined with 3.0T MR and the ROC curve analysis was dynamically enhanced. Curve combined with ADC was for the differential diagnosis of benign and malignant breast lesions. Results: There were significant differences in the dynamic enhancement curves between the benign lesion group and the malignant lesion group, and the difference was statistically significant(P<0.05). The ADC value of the benign lesion group was significantly lower than that of the malignant lesion group, and the difference was statistically significant(P<0.05). The results of dynamic enhancement curve analysis were 73 cases of benign breast lesions. The results of ADC analysis were 72 cases of benign breast lesions. The combined application analysis showed 70 cases of benign breast lesions. The combination of dynamic enhancement curve and ADC value was used to differentially diagnose breast. The sensitivity, specificity and AUC of benign and malignant were significantly higher than those of each index, and the difference was statistically significant(P<0.05). Conclusion: The sensitivity and specificity of the differential diagnosis of benign and malignant breast lesions using 3.0T MR dynamic enhancement curve combined with ADC were significantly higher than those of the enhancement curve or ADC alone.
2020 Vol. 31 (6): 406-409 [Abstract] ( 831 ) HTML (1 KB)  PDF  (0 KB)  ( 63 )
410 Clinical value of C-arm CT-guided percutaneous lung biopsy
FAN Qing-yong, ZHENG Xu, JI Fang, GE Li-ping, HAO Jun-shan, NIU De-fang
DOI: 10.12117/jccmi.2020.06.008
Objective: To explore clinical application, safety and exactitude of C-arm CT-guided percutaneous lung biopsy in the diagnosis of chest tumor. Methods: The clinical data of 243 cases with C-arm CT-guided percutaneous lung biopsy from February to December 2018 were analyzed respectively. Including technical success rate, accuracy, sensibility, specificity, and the incidence of complications. Results: A total of 249 percutaneous biopsies were performed in 243 cases, 6 cases biopsies were performed for two times, and the technical success was 100%, the incidence of complications was 12.7%. 48 cases accepted surgical operation. Totally diagnostic accuracy was 97.92%(47/48), sensibility was 97.73%(43/44), specificity was 100%(4/4). Conclusion: C-arm CT combines advantages DSA and CT imaging techniques, optimizing the flow of lung biopsy, it has obvious advantages in percutaneous lung biopsy, and has the technical characteristics such as high accuracy and fewer the incidence of complications. C-arm CT-guided percutaneous lung biopsy is safe and reliable. It is worthy of application and promotion.
2020 Vol. 31 (6): 410-413 [Abstract] ( 824 ) HTML (1 KB)  PDF  (0 KB)  ( 56 )
414 CT features of peripheral type of primary pulmonary synovial sarcoma and literature review
WANG Guo-yu, WANG Bin, HUANG Shu-jia, XU Zu-liang, WU Yu-lin
DOI: 10.12117/jccmi.2020.06.009
Objective: To investigate the CT findings and clinical features of peripheral type of primary pulmonary synovial sarcoma(PPSS). Methods: The clinical data and CT imaging characteristics of 6 cases with pathologically-proved peripheral type of PPSS were retrospectively analyzed. All 6 cases received con-contrast scan and enhanced chest scan with spiral CT, and 3 cases underwent multiplanar reconstruction. Results: Of the 6 cases, 1 case was male and 5 cases were female, with an average age of 47.2 years, all the cases were single phase type of synovial sarcoma confirmed by pathology. There were 2 cases with single lesion and 4 cases with multiple lesions, a total of 12 lesions, 10 of which were circular or quasi-circular, 2 of which were irregular shape, 8 of which had clear boundaries, and 4 of which had blurred boundaries, invading the chest wall or pleura. The density of 7 lesions was uneven, accompanied by liquefaction necrosis and uneven enhancement, with an average size of 70.3 mm. The density of the other 5 lesions was even, with no liquefaction necrosis area, with an average size of 30.8 mm, the two groups were statistically significant(P=0.005<0.05). No calcification was found in all lesions. The CT values of the solid part of the lesion in plain scan and enhanced dual-phase scan were about 46.8 HU, 70.7 HU and 93.4 HU. Vascular signs were found in 5 lesions. Four patients were accompanied by pleural effusion, 2 of which had high pleural effusion density. One patient was accompanied by enlargement of right hilum and para-esophageal lymph nodes. Conclusion: Peripheral type of PPSS usually has large lesions, and when the tumor is larger, it is easier to liquefy necrosis, and the part of solid was mild to moderate continuous enhancement in enhanced CT imaging. Enhanced CT has certain significance, especially when the tumor is multiple or the pleural effusion density is increased, differential diagnosis is needed.
2020 Vol. 31 (6): 414-417 [Abstract] ( 826 ) HTML (1 KB)  PDF  (0 KB)  ( 51 )
418 Evaluation of muscle changes in patients with chronic heart failure by shear wave elastography
ZHANG Tong, LU Xue-feng, YANG Hua-rui, TONG Ming-hui
DOI: 10.12117/jccmi.2020.06.010
Objective: To assess the gastrocnemius muscle stiffness in patients with chronic heart failure(CHF) by shear wave elastography(SWE), and to explore the clinical value of SWE in the evaluation of peripheral muscle stiffness changes in patients with CHF. Methods: Thirty patients with clinical diagnosis of CHF were selected as the heart failure group, and 30 healthy subjects from the same period were selected as the control group. SWE was performed on the lateral head of the gastrocnemius of the two groups of subjects at rest and extension, and the Young’s modulus value and shear wave velocity(SWV) were obtained, and then statistical analysis was performed. Results: ①There was no significant difference in the Young’s modulus and SWV between the two groups at the rest of the gastrocnemius(P>0.05). When the gastrocnemius muscle was in the stretching state, the Young’s modulus values and SWV of the control group were significantly higher than those of the heart failure group, the difference was statistically significant(P<0.05). ②In the heart failure group, the left ventricular ejection fraction(LVEF) was significantly positively correlated with the Young’s modulus and SWV of the gastrocnemius muscle. As the LVEF decreased, the Young’s modulus and SWV decreased gradually(r=0.719, P<0.001; r=0.744, P<0.001). Conclusion: SWE is a non-invasive and reproducible ultrasound technique that can be used to assess peripheral muscle stiffness in patients with CHF and to assess muscle contractility so that these patients benefit from early rehabilitation exercises, and then improving muscle contraction.
2020 Vol. 31 (6): 418-421 [Abstract] ( 756 ) HTML (1 KB)  PDF  (0 KB)  ( 51 )
422 Effect of hypercholesterolemia on cardiac ultrasound indicators
MI Jia, YAN Juan, WANG Jia-qiang
DOI: 10.12117/jccmi.2020.06.011
Objective: To investigate the effects of hypercholesterolemia on cardiovascular disease and the application of ultrasound in patients’ cardiac examination. Methods: Sixty patients diagnosed with hypercholesterolemia who were admitted to our department of cardiology from July 2018 to July 2019 were selected as subjects. Sixty patients with normal serum cholesterol levels were selected as the control group. Ultrasound was used to determine whether there was stenosis and reflux in the heart valves of the two groups of patients. Left ventricular peak filling rate(LVPER) and left ventricular ejection fraction(LVEF) were measured in the two groups. The aortic root diameter and the ascending aorta diameter were examined in both groups. Results: The proportion of aortic regurgitation(26.7% vs. 8.3%) and stenosis(15.0% vs. 3.3%) and mitral regurgitation(18.3% vs. 5.0%) and stenosis(11.7% vs. 1.7%) were significantly higher in the hypercholesterolemia group than in the control group(P<0.05). LVPER((1.71±0.25) vs. (1.82±0.27)) and LVEF((53.36±4.18)% vs. (55.47±4.72)%) were significantly lower in the hypercholesterolemia group than in the control group(P<0.05). The diameter of the aortic root ((35.37±3.92) mm vs. (32.17±3.64) mm) and the diameter of the ascending aorta((34.91±3.71) mm vs. (31.64±4.52) mm) were significantly higher in the hypercholesterolemia group than in the control group(P<0.05). Conclusion: Hypercholesterolemia can affect heart valve and aortic function, and ultrasonography can effectively check for heart valve and aortic function-related diseases.
2020 Vol. 31 (6): 422-424 [Abstract] ( 781 ) HTML (1 KB)  PDF  (0 KB)  ( 47 )
425 Improving image quality in portal venography with dual-layer detector spectral CT imaging
WANG Shi-wei1, LI Jin-feng2, ZOU Ying1, LI Tao2, LUO Chun-cai2, HUANG Zi-li2, LI Xue-ping2
DOI: 10.12117/jccmi.2020.06.012
Objective: To investigate the effect of optimal monochromatic energy image on the image quality of portal venography with dual-layer detector spectral CT. Methods: Thirty-nine patients suspected of abdominal disease underwent contrast-enhanced CT examination using a single-source, dual-detector spectral CT. The portal vein phase scan was performed 60 seconds after 60 mL iopamidol(320 mg/mL) injection at the speed of 3 mL/s. The raw images were reconstructed to obtain polychromatic 120 kVp images and spectral based images. The 40, 50, 60, 70 keV monochromatic images were gotten. Image noise, signal-to-noise ratio(SNR) of portal vein and contrast-to-noise ratio(CNR) of portal vein relative to the erector spine muscle from polychromatic 120 kVp images and 40, 50, 60, 70 keV monochromatic images were measured. Anova test was used to compare the noise, SNR and CNR among 5 groups. An optimal monochromatic image set was chosen for obtaining the best SNR and CNR for portal vein. Image quality was also evaluated on a five-point scale by two radiologists. Results: The difference of noise, SNR, CNR of portal vein among five groups were statistically significant(P<0.05). The noise at 40 keV group was significantly lower than that of polychromatic 120 kVp group. The SNR and CNR of 40 keV group was significantly higher than that of other groups(P<0.05), much higher than that of polychromatic 120 kVp group. The image quality score of 40 keV optimal monochromatic image was superior to that of polychromatic images. The agreement of image quality grading between two doctors was good. Conclusion: 40 keV is the optimal monochromatic image for displaying portal vein using dual-layer detector spectral CT.
2020 Vol. 31 (6): 425-428 [Abstract] ( 805 ) HTML (1 KB)  PDF  (0 KB)  ( 61 )
429 Imaging findings and clinicopathological features of ovarian germ cells malignancies in children and adolescents
HU Yue-lin, GAO Qiu, SHI Quan, WANG Rui, ZHANG Ming-jie, CHEN Zhen
DOI: 10.12117/jccmi.2020.06.013
Objective: To analyze the imaging findings and pathological findings of ovarian germ cell malignancies in children and adolescents. Methods: Twenty-seven patients with ovarian malignant germ cell tumors confirmed by pathology were retrospectively analyzed. The imaging features were analyzed and compared with pathology. Results: Ten cases of endodermal sinus tumor, 5 cases of immature teratoma, 6 cases of dysgerminoma, 5 cases of mixed germ cell tumor, one case of bilateral ovary were dysgerminoma and mixed germ cell tumor, various ovary malignant germ cell tumors have their imaging and clinical features. Conclusion: The CT and MR findings of ovarian malignant germ cell tumors in children and adolescents have certain characteristics. Combined with their clinical features and tumor markers examination, qualitative diagnosis can be made.
2020 Vol. 31 (6): 429-433 [Abstract] ( 793 ) HTML (1 KB)  PDF  (0 KB)  ( 52 )
434 Clinical value and correlation analysis of sagittal and axial parameters measured by MRI in degenerative lumbar instability
LIANG Yi-dan1, LI Le-yi2, PAN Shi-nong1
DOI: 10.12117/jccmi.2020.06.014
Objective: To investigate the clinical value and correlation analysis of sagittal and axial parameters measured by MRI in patients with degenerative lumbar instability. Methods: MRI imaging data of 170 patients with degenerative lumbar instability and 170 normal volunteers were analyzed retrospectively, no significant differences were found in the gender, age and lesion segment between the two groups. Lumbosacral angle was measured on sagittal T2WI, while ligamentum flavum thickness, the distance of facet joint fluid and the degree of degeneration of the intervertebral disc and the facet joint were evaluated on axial T2WI, and then were compared between the two groups. Results: In degenerative lumbar instability group, lumbosacral angle and the distance of facet joint fluid was (47.92±11.11)°, 1.51(0.95, 1.93) mm respectively, and the differences between the two groups were statistically significant(all P＜0.01). Between the two groups, the degree of degeneration of the intervertebral disc and the facet joint showed significant differences(Z=-4.749, Z=-11.407, P＜0.01). In degenerative lumbar instability group, the ligamentum flavum thickness was (2.20±1.01) mm, and the differences between the two groups was not statistically significant(P＞0.05). Degenerative lumbar instability was positively correlated with lumbosacral angle and the distance of facet joint fluid and the degree of degeneration of the intervertebral disc(r=0.180, P＝0.011; r=0.317, P＜0.01; r=0.258, P＜0.01), degenerative lumbar instability was negatively correlated with the degree of degeneration of the facet joint(r=-0.619, P＜0.01). Conclusion: There were kinds of parameters which had correlation in degenerative lumbar instability; degenerative lumbar instability was moderately correlated with the distance of facet joint fluid, while degenerative lumbar instability was weakly correlated with lumbosacral angle and the degree of degeneration of the intervertebral disc. There was a significant negative correlation with the degree of degeneration of the facet joint.
2020 Vol. 31 (6): 434-437 [Abstract] ( 858 ) HTML (1 KB)  PDF  (0 KB)  ( 44 )
438 Study on changes in paraments of diffusion tensor imaging with lumbar disc herniation before and after discectomy
CUI Ting-ting1, YUE Yun-long1, JIN Yan-fang1, ZUO Li-li1, REN Jie1, LI Song-bai2
DOI: 10.12117/jccmi.2020.06.015
Objective: To investigate the changes of paraments of compressed nerve roots on diffusion tensor imaging(DTI) such as fractional anisotropy(FA) and apparent diffusion coefficient(ADC) in patients with single lumbar disc herniation before and after discectomy and the relationship between the paraments and the duration of symptoms. Methods: A total of 25 patients with percutaneous transforaminal endoscopic discectomy underwent DTI scanning before and three months after surgery. The FA and ADC values of the compressed and intact nerves were measured. Record the duration of symptoms and analyze the correlation between paraments and the duration. Results: The FA values of the compressed nerve roots were lower than intact nerves(P=0.000); The FA values increased at three months after surgical treatment(P=0.000), but they were still lower than intact nerves(P=0.038). The ADC values decreased at three months after surgical treatment(P=0.019), but no significant difference was found between the compressed and normal sides before and after surgery(P>0.05). There was a strong negative correlations between the difference of FA values of the compressed nerve roots before and after surgery and the duration of symptoms(r=-0.751, P=0.000). Conclusion: DTI may be an important tool to evaluate the structural changes of nerve roots in patients with lumbar disc herniation and that may has very important guiding significance in the clinical treatment.
2020 Vol. 31 (6): 438-440 [Abstract] ( 678 ) HTML (1 KB)  PDF  (0 KB)  ( 57 )
441 CT findings of the primary malignant tumors of the ribs
CHANG Cheng, PENG Xiao-xin, CHENG Xiao-guang, YU Ai-hong, GONG Li-hua
DOI: 10.12117/jccmi.2020.06.016
Objective: To analyze the imaging appearance and to explore the diagnostic value of CT in primary malignant tumors of the ribs. Methods: Twenty-six cases with primary malignant costal tumors proved by operation and pathology were analyzed, and radiographic features were analyzed retrospectively. Results: There were 14 cases of chondrosarcoma with 78.5% arising at the costochondral junction, characterized by irregular and lytic bone destruction with cartilage matrix calcification inside. After intravenous injection, no obvious enhancement was seen. There were 4 cases of plasmacytoma, characterized by solitary or multiple, punched-out or eroded lesions. Osteosarcoma(three cases) appeared as osteolytic or mixed bone destruction, irregular calcific densities were found in one case. Ewing’s sarcoma(two cases) demonstrated as ill-defined, osteolytic lesions with a large soft tissue mass in one case. The rest were one of each of the following: non-Hodgkin’s lymphoma, chordroma, fibrosarcoma, and liposarcoma. Conclusion: The primary malignant tumors of the ribs are a complicated group and rarely encountered, some of which demonstrate the classic radiological features, but some cases with nonspecific radiological features, and the final diagnosis should consider about clinical, imaging and pathology.
2020 Vol. 31 (6): 441-445 [Abstract] ( 822 ) HTML (1 KB)  PDF  (0 KB)  ( 50 )
446 Analysis of super bone imaging in 58 cases
ZENG Ling-peng1, LUO Kan-ying2, ZHANG Qing1, ZHANG Qing1
DOI: 10.12117/jccmi.2020.06.017
Objective: To investigate the etiology, imaging characteristics of super bone imaging, and the differences in age, alkaline phosphatase(ALP), and serum calcium levels among patients with different etiology. Methods: The clinical data of 58 cases with super bone imaging were retrospectively analyzed. According to different causes, patients with malignant bone metastases were divided as metastasis group, and metabolic bone disease patients were divided as metabolome group, then the differences in age, ALP and serum calcium levels between the two groups were statistically analyzed. According to the characteristics of super bone imaging images, it was divided into two types: uniform symmetry(type Ⅰ) and focal scattered distribution type(type Ⅱ). Results: The positive rate of super bone imaging was 0.32%(58/18 406), of which bone metastases were the most common, followed by metabolic bone disease. Uniform symmetrical images accounted for 58.6%(34/58), and bone metastases and metabolic bone disease accounted for 44.8%(26/58) and 13.8%(8/58) among those patients. The average age and the ALP level of the patients in the metastatic group were higher than that in the metabolome group, while the blood calcium level of patients in the metabolome group was higher than that in the metastatic group, the difference was statistically significant(P<0.05). Conclusion: Bone metastases are the most common causes of super bone imaging. Both bone metastasis and metabolic bone disease can be characterized by super bone imaging with uniform symmetry. Age, ALP and serum calcium are valuable in the identification of the two etiologies of super bone imaging.
2020 Vol. 31 (6): 446-449 [Abstract] ( 917 ) HTML (1 KB)  PDF  (0 KB)  ( 46 )
450 Central nervous system phaeohyphomycosis caused by exophiala dermatitidis: report of two cases
BAI Jie, LIU Yue, ZHANG Ning-ning, WEN Yang, PENG Yun, CHENG Hua
DOI: 10.12117/jccmi.2020.06.018
2020 Vol. 31 (6): 450-451 [Abstract] ( 766 ) HTML (1 KB)  PDF  (0 KB)  ( 46 )
452 Ultrasound diagnosis fetal closed spina bifida with tethered cord syndrome: report of one case
LUAN Ze-dong, ZOU Yan-li, CHEN Kan, WANG Hao-ling, LI Song-yang
DOI: 10.12117/jccmi.2020.06.019
2020 Vol. 31 (6): 452-453 [Abstract] ( 774 ) HTML (1 KB)  PDF  (0 KB)  ( 40 )
453 Cervical carcinoma complicated with retroperitoneal solitary fibrous tumor: report of one case
ZHOU Guo-min
DOI: 10.12117/jccmi.2020.06.020
2020 Vol. 31 (6): 453-454 [Abstract] ( 852 ) HTML (1 KB)  PDF  (0 KB)  ( 55 )
455 A new MRI sign of acute osteomyelitis—fat globules sign: report of one case
HAN Gui-fen1, LIU Ji-cun1, ZHAO Na2, YU Bao-hai1, DUAN Li-sha1, XIE Li-yuan3, SHI Rui-qing1
DOI: 10.12117/jccmi.2020.06.021
2020 Vol. 31 (6): 455-456 [Abstract] ( 775 ) HTML (1 KB)  PDF  (0 KB)  ( 40 )
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