Journal of the Belgian Society of Radiology最新文献

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Retropharyngeal Hematoma under Rivaroxaban: A Rare Entity to Know for Its Risk of Airway Obstruction. 利伐沙班治疗下的咽后血肿:一种罕见的气道阻塞风险。
IF 2 4区 医学
Journal of the Belgian Society of Radiology Pub Date : 2021-03-16 DOI: 10.5334/jbsr.2263
Charlotte Vierendeels, Xavier Peeters, Pierre Bosschaert
{"title":"Retropharyngeal Hematoma under Rivaroxaban: A Rare Entity to Know for Its Risk of Airway Obstruction.","authors":"Charlotte Vierendeels,&nbsp;Xavier Peeters,&nbsp;Pierre Bosschaert","doi":"10.5334/jbsr.2263","DOIUrl":"https://doi.org/10.5334/jbsr.2263","url":null,"abstract":"<p><p><b>Teaching Point:</b> Retropharyngeal hematoma appearing under rivaroxaban is uncommon but should be suspected in cases of dysphagia, dysphonia or breathing difficulties.</p>","PeriodicalId":56282,"journal":{"name":"Journal of the Belgian Society of Radiology","volume":"105 1","pages":"15"},"PeriodicalIF":2.0,"publicationDate":"2021-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7977012/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25526338","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Magnetic Resonance Imaging of Orbital Solitary Fibrous Tumors: Radiological-Pathological Correlation Analysis. 眼眶孤立性纤维性肿瘤的磁共振成像:放射-病理相关性分析。
IF 2 4区 医学
Journal of the Belgian Society of Radiology Pub Date : 2021-03-16 DOI: 10.5334/jbsr.2097
Ryuhei Masuno, Daisuke Yunaiyama, Yukiko Shishido-Hara, Daisuke Yoshimaru, Chifumi Maruyama, Yoichi Araki, Hiroshi Goto, Toshitaka Nagao, Kazuhiro Saito
{"title":"Magnetic Resonance Imaging of Orbital Solitary Fibrous Tumors: Radiological-Pathological Correlation Analysis.","authors":"Ryuhei Masuno,&nbsp;Daisuke Yunaiyama,&nbsp;Yukiko Shishido-Hara,&nbsp;Daisuke Yoshimaru,&nbsp;Chifumi Maruyama,&nbsp;Yoichi Araki,&nbsp;Hiroshi Goto,&nbsp;Toshitaka Nagao,&nbsp;Kazuhiro Saito","doi":"10.5334/jbsr.2097","DOIUrl":"https://doi.org/10.5334/jbsr.2097","url":null,"abstract":"<p><strong>Background: </strong>Solitary fibrous tumors (SFTs) are rare and can be misdiagnosed because of their various radiological appearances.</p><p><strong>Purpose: </strong>To clarify the characteristic MRI findings of SFTs by analyzing their radiological-pathological correlation.</p><p><strong>Material and methods: </strong>Nine consecutive patients with SFT who underwent magnetic resonance imaging (MRI) prior to surgery were analyzed. Eight patients underwent contrast-enhanced MRI, and three underwent dynamic MRI. Radiological-pathological correlation analysis, co-occurrence matrix, run-length matrix, and histogram analysis were performed to assess the relationship between pathological findings T1- and T2-weighted images (T1-WI and T2-WI).</p><p><strong>Results: </strong>All nine lesions ranged in size from 20 to 36 mm. Seven lesions were located in the superior portion of the retrobulbar space found outside of the muscle cone, and two lesions in the inferior portion were located within it. No significant correlation was observed between the amount of collagenous tissue and the qualitative evaluation of the signal on T1-WI and T2-WI. Kurtosis on T2-WI was significantly correlated with the amount of collagenous tissue (<i>ρ</i> = -0.97, <i>p</i> < 0.0001) and endothelial cells (<i>ρ</i> = -0.49, <i>p</i> = 0.0479).</p><p><strong>Conclusion: </strong>Kurtosis in the histogram analysis on T2WI showed a strong correlation with the amount of collagenous tissue.</p>","PeriodicalId":56282,"journal":{"name":"Journal of the Belgian Society of Radiology","volume":"105 1","pages":"14"},"PeriodicalIF":2.0,"publicationDate":"2021-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7977021/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25526339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Charcot-Bouchard Aneurysm Diagnosed with CTA and MRA. 用CTA和MRA诊断Charcot-Bouchard动脉瘤。
IF 2 4区 医学
Journal of the Belgian Society of Radiology Pub Date : 2021-03-12 DOI: 10.5334/jbsr.1934
Sanaa Jamali, José Géraldo Ribeiro Vaz, Guido Wilms
{"title":"Charcot-Bouchard Aneurysm Diagnosed with CTA and MRA.","authors":"Sanaa Jamali,&nbsp;José Géraldo Ribeiro Vaz,&nbsp;Guido Wilms","doi":"10.5334/jbsr.1934","DOIUrl":"https://doi.org/10.5334/jbsr.1934","url":null,"abstract":"<p><p>Hemorrhage in the basal ganglia resulting to lenticulostriate artery aneurysm rupture is extremely rare. This distal micro-aneurysm of the perforating lenticulostriate arteries is called Charcot-Bouchard aneurysm. We wish to report a case of an hematoma in the basal ganglia due to a Charcot-Bouchard aneurysm demonstrated by Computed Tomography Angiograpy (CTA) and Magnetic Resonance Angiography (MRA) and confirmed by selective catheter angiography.</p><p><strong>Teaching point: </strong>Charcot-Bouchard aneurysm is a very rare distal micro-aneurysm of the perforating lenticulostriate arteries. Young patients who experience basal ganglia hemorrhage should have contrast-enhanced CT, especially if they don't have arterial hypertension and if subarachnoid hemorrhage is associated.</p>","PeriodicalId":56282,"journal":{"name":"Journal of the Belgian Society of Radiology","volume":"105 1","pages":"13"},"PeriodicalIF":2.0,"publicationDate":"2021-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7954188/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25502343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Curious Case of Recurrent Abdominal Wall Infections. 一例反复腹壁感染的奇怪病例。
IF 2 4区 医学
Journal of the Belgian Society of Radiology Pub Date : 2021-02-24 DOI: 10.5334/jbsr.2387
Sara Djelassi, Frederik Vandenbroucke, Martijn Schoneveld
{"title":"A Curious Case of Recurrent Abdominal Wall Infections.","authors":"Sara Djelassi,&nbsp;Frederik Vandenbroucke,&nbsp;Martijn Schoneveld","doi":"10.5334/jbsr.2387","DOIUrl":"https://doi.org/10.5334/jbsr.2387","url":null,"abstract":"<p><p>An 82-year-old male was transferred for an abdominal CT scan for chronic cutaneous fistulation at the level of the right abdominal wall. Previous CT and ultrasound imaging described recurrent collections in the right abdominal wall, requiring CT guided abscess drainage. The abdominal CT scan revealed an abscess in between the internal oblique and transversus abdominis muscle layers of the right flank, with significant fat stranding and loss of the intermuscular fat planes ( <b><i>Figure 1</i></b> ). Inside this abscess, we notice a spontaneous hyperdense nodular lesion (Hounsfield Units 130), which doesn't enhance after contrast injection ( <b><i>Figure 1</i></b> arrow). Looking back at the previous CT scans we discern the presence of this hyperdense lesion, which tends to migrate over time over a small distance along the abdominal wall ( <b><i>Figure 2 A-D</i></b> arrow). We can trace this back on the numerous previous scans, with different local tissue reactions over time. The first performed CT 8 years prior reveals a perforated calculous cholecystitis, containing multiple cholecystolithiases with the same density as our previously mentioned hyperdense lesion ( <b><i>Figure 3</i></b> arrow). Thus, raising the suspicion of a biliary origin of this corpus alienum.</p><p><strong>Teaching point: </strong>Spilled gallstones during laparoscopy may lead to late abscess.</p>","PeriodicalId":56282,"journal":{"name":"Journal of the Belgian Society of Radiology","volume":"105 1","pages":"12"},"PeriodicalIF":2.0,"publicationDate":"2021-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7908932/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25440873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Does the SUVmax of FDG-PET/CT Correlate with the ADC Values of DWI in Musculoskeletal Malignancies? FDG-PET/CT的SUVmax与肌肉骨骼恶性肿瘤DWI的ADC值是否相关?
IF 2 4区 医学
Journal of the Belgian Society of Radiology Pub Date : 2021-02-22 DOI: 10.5334/jbsr.2378
Mesut Ozturk, Ahmet Veysel Polat, Fevziye Canbaz Tosun, Mustafa Bekir Selcuk
{"title":"Does the SUVmax of FDG-PET/CT Correlate with the ADC Values of DWI in Musculoskeletal Malignancies?","authors":"Mesut Ozturk,&nbsp;Ahmet Veysel Polat,&nbsp;Fevziye Canbaz Tosun,&nbsp;Mustafa Bekir Selcuk","doi":"10.5334/jbsr.2378","DOIUrl":"https://doi.org/10.5334/jbsr.2378","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the correlation of maximum standardized uptake values (SUV<sub>max</sub>) of <sup>18</sup>F-Fluorodeoxyglucose-positron emission tomography/computed tomography (FDG-PET/CT) with the apparent diffusion coefficient (ADC) of diffusion weighted imaging (DWI) in musculoskeletal malignancies.</p><p><strong>Methods: </strong>Institutional ethics committee approved this retrospective study. Twenty-seven patients (mean age: 44.85 ± 24.07; 17 men and 10 women) with a total of 29 musculoskeletal tumors underwent both FDG-PET/CT and DWI between January 2017 and March 2020. Region-of-interest (ROI)-based maximal standardized uptake values (SUV<sub>max</sub>) of the tumors were measured on FDG-PET/CT images. Two radiologists measured lesions' mean and minimum apparent diffusion coefficient (ADC<sub>mean</sub> and ADC<sub>min</sub>) using five distinct ROIs on DWI images. Pearson correlation analysis was used to assess the correlation between SUV<sub>max</sub> and ADC values.</p><p><strong>Results: </strong>There were 18 soft tissue tumors (62.1%) and 11 bone tumors (37.9%) with a mean maximum diameter of 9.4 ± 6.2 cm. The mean SUV<sub>max</sub>, ADC<sub>mean</sub> and ADC<sub>min</sub> of the whole lesions were 12.93 ± 9.63, 0.85 ± 0.28 × 10<sup>-3</sup>mm<sup>2</sup>/s and 0.61 ± 0.27 × 10<sup>-3</sup>mm<sup>2</sup>/s, respectively. SUV<sub>max</sub> had a weak correlation with tumor maximum diameter (r = 0.378, p = 0.043), whereas ADC<sub>mean</sub> and ADC<sub>min</sub> had none. There was strong inverse correlation between SUV<sub>max</sub> and both ADC<sub>mean</sub> (r = -0.616, p < 0.001) and ADC<sub>min</sub> (r = -0.638, p < 0.001).</p><p><strong>Conclusion: </strong>In musculoskeletal tumors, quantitative markers of FDG uptake and diffusion restriction strongly correlate.</p>","PeriodicalId":56282,"journal":{"name":"Journal of the Belgian Society of Radiology","volume":"105 1","pages":"11"},"PeriodicalIF":2.0,"publicationDate":"2021-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7908928/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25440872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Clival Chordoma: A Rare Finding in Children. 斜坡脊索瘤:儿童中一种罕见的发现。
IF 2 4区 医学
Journal of the Belgian Society of Radiology Pub Date : 2021-02-22 DOI: 10.5334/jbsr.2334
Manon Vanhamel, Vincent VandeVyver, Koenraad Verstraete
{"title":"Clival Chordoma: A Rare Finding in Children.","authors":"Manon Vanhamel,&nbsp;Vincent VandeVyver,&nbsp;Koenraad Verstraete","doi":"10.5334/jbsr.2334","DOIUrl":"https://doi.org/10.5334/jbsr.2334","url":null,"abstract":"<p><p><b>Teaching point:</b> Clival chordoma is a rare find in children, presenting as a locally destructive, T2 hyperintense, and strongly enhancing mass.</p>","PeriodicalId":56282,"journal":{"name":"Journal of the Belgian Society of Radiology","volume":"105 1","pages":"10"},"PeriodicalIF":2.0,"publicationDate":"2021-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7908929/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25440871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Radiological Signs in Traumatic Cervical Facet Joint Dislocations. 外伤性颈椎小关节脱位的影像学征象。
IF 2 4区 医学
Journal of the Belgian Society of Radiology Pub Date : 2021-02-16 DOI: 10.5334/jbsr.2314
Natalie Leong, Ernest Lim, Chi Long Ho
{"title":"Radiological Signs in Traumatic Cervical Facet Joint Dislocations.","authors":"Natalie Leong,&nbsp;Ernest Lim,&nbsp;Chi Long Ho","doi":"10.5334/jbsr.2314","DOIUrl":"https://doi.org/10.5334/jbsr.2314","url":null,"abstract":"<p><p>Unilateral cervical facet joint dislocation (UCFJD) is the most frequently missed cervical spine injury on plain radiographs. If left untreated, UCFJD can progress to bilateral cervical facet joint dislocation. Given the complexity of cervical facet joint dislocations, radiologists rely on metaphorical signs to identify them on radiographs. The \"Bow-tie\" and \"laminar space\" signs represent UCFJD on plain radiographs. The \"reversed hamburger\", \"naked facet\" and \"headphones\" signs represent cervical facet joint dislocations on axial cross-sectional imaging. Illustrating these signs in an engaging manner facilitates pattern-based recognition, which can benefit trainees and radiologists. Moreover, pattern-based recognition can be applied to machine learning.</p>","PeriodicalId":56282,"journal":{"name":"Journal of the Belgian Society of Radiology","volume":"105 1","pages":"8"},"PeriodicalIF":2.0,"publicationDate":"2021-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7894363/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25408000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Performance of Low-Dose Chest CT as a Triage Tool for Suspected COVID-19 Patients. 低剂量胸部 CT 作为疑似 COVID-19 患者的分诊工具的性能。
IF 2 4区 医学
Journal of the Belgian Society of Radiology Pub Date : 2021-02-16 DOI: 10.5334/jbsr.2319
Jeroen Desmet, Charlotte Biebaû, Walter De Wever, Lesley Cockmartin, Verbraeken Viktor, Johan Coolen, Johny Verschakelen, Adriana Dubbeldam
{"title":"Performance of Low-Dose Chest CT as a Triage Tool for Suspected COVID-19 Patients.","authors":"Jeroen Desmet, Charlotte Biebaû, Walter De Wever, Lesley Cockmartin, Verbraeken Viktor, Johan Coolen, Johny Verschakelen, Adriana Dubbeldam","doi":"10.5334/jbsr.2319","DOIUrl":"10.5334/jbsr.2319","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate the role of low-dose chest computed tomography (CT) imaging in the triage of patients suspected of coronavirus disease 2019 (COVID-19) in an emergency setting.</p><p><strong>Materials and methods: </strong>Data from 610 patients admitted to our emergency unit from March 20, 2020, until April 11, 2020, with suspicion of COVID-19 were collected. Diagnostic values of low-dose chest CT for COVID-19 were calculated using consecutive reverse-transcription polymerase chain reaction (RT-PCR) tests and bronchoalveolar lavage (BAL) as reference. Comparative analysis of the 199 COVID-19 positive versus 411 COVID-19 negative patients was done with identification of risk factors and predictors of worse outcome.</p><p><strong>Results: </strong>Sensitivity and specificity of low-dose CT for the diagnosis of COVID-19 respectively ranged from 75% (150/199) to 88% (175/199) and 94% (386/411) to 99% (386/389), depending on the inclusion of inconclusive results. On multivariate analysis, a higher body mass index (BMI), fever, and dyspnea on admission were risk factors for COVID-19 (all p-values < 0.05). The mortality rate was 12.6% (25/199). Higher age and high levels of C-reactive protein (CRP) and D-dimers were predictors of worse outcome (all p-values < 0.05).</p><p><strong>Conclusion: </strong>Low-dose chest CT has a high specificity and a moderate to high sensitivity in symptomatic patients with suspicion of COVID-19 and could be used as an effective tool in setting of triage in high-prevalence areas.</p>","PeriodicalId":56282,"journal":{"name":"Journal of the Belgian Society of Radiology","volume":"105 1","pages":"9"},"PeriodicalIF":2.0,"publicationDate":"2021-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7894373/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25408001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Giant Tug Lesion of the Soleus. 比目鱼巨大拖曳损伤。
IF 2 4区 医学
Journal of the Belgian Society of Radiology Pub Date : 2021-02-15 DOI: 10.5334/jbsr.2381
Dima Al Jahed, Filip Vanhoenacker
{"title":"Giant Tug Lesion of the Soleus.","authors":"Dima Al Jahed,&nbsp;Filip Vanhoenacker","doi":"10.5334/jbsr.2381","DOIUrl":"https://doi.org/10.5334/jbsr.2381","url":null,"abstract":"<p><p><b>Teaching point:</b> A giant soleus tug lesion is a benign pseudo-tumoral excrescence at the attachment of the soleus muscle at the posterior upper third of the tibia.</p>","PeriodicalId":56282,"journal":{"name":"Journal of the Belgian Society of Radiology","volume":"105 1","pages":"7"},"PeriodicalIF":2.0,"publicationDate":"2021-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7894369/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25407999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Idiopathic Tumoral Calcinosis. 特发性肿瘤钙质沉着症。
IF 2 4区 医学
Journal of the Belgian Society of Radiology Pub Date : 2021-02-09 DOI: 10.5334/jbsr.2341
Jesper Dierickx, Filip Vanhoenacker
{"title":"Idiopathic Tumoral Calcinosis.","authors":"Jesper Dierickx,&nbsp;Filip Vanhoenacker","doi":"10.5334/jbsr.2341","DOIUrl":"https://doi.org/10.5334/jbsr.2341","url":null,"abstract":"<p><p><b>Teaching Point:</b> The imaging clues to differentiate idiopathic tumoral calcinosis from other calcified soft tissue lesions include: pseudotumoral appearance with mass effect, bone erosion with intra-osseous protrusion of calcification, lobulated morphology, and peri-articular location on the extensor side.</p>","PeriodicalId":56282,"journal":{"name":"Journal of the Belgian Society of Radiology","volume":"105 1","pages":"6"},"PeriodicalIF":2.0,"publicationDate":"2021-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7880005/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25391947","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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