Korean Journal of Radiology最新文献

{"title":"Imaging of Peripheral Arthritis: Special Focus on Differences in Inflammatory Lesions Between Rheumatoid Arthritis and Psoriatic Arthritis.","authors":"Takeshi Fukuda, Akira Ogihara, Shunsuke Kisaki, Mami Momose, Yoshinori Umezawa, Akihiko Asahina, Hiroya Ojiri","doi":"10.3348/kjr.2025.0036","DOIUrl":"10.3348/kjr.2025.0036","url":null,"abstract":"<p><p>Differentiating rheumatoid arthritis (RA) and psoriatic arthritis (PsA) remains challenging, particularly when clinical and serological markers are inconclusive. Imaging provides critical insights, with MRI and dual-energy CT iodine maps highlighting key distinctions. Both conditions share inflammatory features such as capsular synovitis, tenosynovitis, and bone marrow edema. However, periarticular inflammation is often a strong indicator of PsA. This reflects their differing inflammatory targets: RA primarily involves the synovium, whereas PsA targets the enthesis. This distinction contributes to the broader bone marrow edema seen in PsA and explains inflammatory changes at the distal interphalangeal joint and dactylitis, which are characteristic of PsA but not RA. Recognizing these inflammatory patterns and distributions is essential for accurate diagnosis and treatment guidance.</p>","PeriodicalId":17881,"journal":{"name":"Korean Journal of Radiology","volume":" ","pages":"569-580"},"PeriodicalIF":4.4,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12123072/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144033594","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Magnetic Resonance Imaging of the Peripheral Nerves and Fascicles of the Knee Using Double Echo Steady State Sequence at 7 Tesla.","authors":"Pinzhen Chen, Zhiming Zhen, Jing Li, Taotao Yang, Wenjing Hou, Meng Zeng, Mingshan Du, Suyi Zhou, Wei Chen, Yicheng Hsu, Bo Wang, Zhi Liu, Yi Wu, Jiafei Chen, Wei Chen","doi":"10.3348/kjr.2024.0912","DOIUrl":"10.3348/kjr.2024.0912","url":null,"abstract":"<p><strong>Objective: </strong>To evaluate the applicability of the double echo steady state (DESS) sequence at 7 tesla (7T) for high-resolution imaging of the peripheral nerves and fascicles of the knee.</p><p><strong>Materials and methods: </strong>We prospectively included 32 healthy participants (mean age 39 ± 14 years, 20 females). The patients underwent 7T magnetic resonance imaging (MRI) of the knee using proton density turbo spin-echo fat suppression (PD-TSE FS), three-dimensional DESS (3D-DESS), and higher in-plane resolution DESS (DESS_HR) sequences. The signal-to-noise ratios (SNRs) of the peroneal nerve (PN) and tibial nerve (TN) and contrast-to-noise ratios (CNRs) between the nerves and adjacent fat, vessels, and muscles were quantitatively measured by two readers and averaged. Five radiologists qualitatively assessed the overall image quality, pulsatile flow artifacts, and visualization of the PN and its branches, the TN, and the saphenous nerve (SN) using a five-point Likert-type scale, with the results averaged. The results of the three image sequences were compared.</p><p><strong>Results: </strong>The SNR for the TNs in the DESS_HR sequence were lower than those in the PD-TSE FS (<i>P</i> < 0.001) and 3D-DESS (<i>P</i> = 0.024) sequences, whereas the SNR for the PNs did not differ significantly across the three sequences. The DESS_HR sequence exhibited superior TN- or PN-to-fat and PN-to-muscle CNR values when compared with the PD-TSE FS and 3D-DESS sequences (<i>P</i> ≤ 0.016). The TN- and PN-to-vessel CNR values in the DESS_HR and PD-TSE FS sequences were higher than those in the 3D-DESS sequence (<i>P</i> ≤ 0.001). Qualitative assessments revealed fewer pulsatile artifacts in 3D-DESS than in DESS_HR and PD-TSE FS (<i>P</i> < 0.001), with DESS_HR exhibiting fewer artifacts than PD-TSE FS (<i>P</i> = 0.035). DESS_HR excelled in visualizing the common PN, TN, and SN when compared with other sequences (<i>P</i> < 0.001), whereas 3D-DESS provided superior visualization of PN branches when compared with other sequences (<i>P</i> ≤ 0.042).</p><p><strong>Conclusion: </strong>The DESS sequence at 7T MRI enhances visualization of peripheral nerves and fascicular structures around the knee.</p>","PeriodicalId":17881,"journal":{"name":"Korean Journal of Radiology","volume":"26 6","pages":"581-592"},"PeriodicalIF":4.4,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12123076/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144159748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Surveillance Outcomes by Imaging Methods in the First 5 Years After Breast Cancer Surgery.","authors":"Myoung Kyoung Kim, Min Su Park, Min Gyu Go, Jeong Eon Lee, Jong Han Yu, Boo-Kyung Han, Eun Young Ko, Ji Soo Choi, Jeongmin Lee, Haejung Kim, Yeon Hee Park, Eun Sook Ko","doi":"10.3348/kjr.2024.1101","DOIUrl":"10.3348/kjr.2024.1101","url":null,"abstract":"<p><strong>Objective: </strong>To compare the outcomes of imaging methods (mammography alone, ultrasound [US] alone, mammography combined with US, and magnetic resonance imaging [MRI]-based examination) for surveillance during the first 5 years after breast cancer surgery.</p><p><strong>Materials and methods: </strong>This retrospective cohort study analyzed the medical records of patients who underwent breast cancer surgery at a single institution between January 2011 and December 2015. Imaging surveillance was performed at 6-month or 1-year intervals during the first 5 years.</p><p><strong>Results: </strong>A total of 6371 women (median age, 49 years; age range, 20-90 years) underwent 28199 mammograms, 42759 US, and 2619 MRI examinations. Of 172 second breast cancer diagnoses, 19 (11.0%) were interval cancers. Mammography combined with US demonstrated higher cancer detection rate (CDR) compared to mammography alone (odds ratios [OR] = 3.31, 95% confidence interval [CI]: 1.52-8.96, <i>P</i> = 0.009) and US alone (OR = 2.80, 95% CI: 1.71-4.65, <i>P</i> < 0.001), whereas there was no statistical significance when compared with MRI-based examinations (OR = 0.89, 95% CI: 0.49-1.74, <i>P</i> > 0.999). A statistically significant interaction was observed between the mammographic breast density (MBD) and CDR of the imaging methods (<i>P</i> for interaction = 0.003).</p><p><strong>Conclusion: </strong>The CDR of surveillance mammography combined with US was comparable with that of MRI-based examinations in an intensive surveillance setting. Considering the significant interaction between MBD and the CDR, a tailored approach for surveillance based on breast density is warranted.</p>","PeriodicalId":17881,"journal":{"name":"Korean Journal of Radiology","volume":" ","pages":"532-545"},"PeriodicalIF":4.4,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12123082/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144033541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"MRI Morphometry of the Spinal Cord Depends on Several Factors That Must Be Taken Into Account When Selecting Healthy Volunteers.","authors":"Josef Finsterer","doi":"10.3348/kjr.2025.0153","DOIUrl":"10.3348/kjr.2025.0153","url":null,"abstract":"","PeriodicalId":17881,"journal":{"name":"Korean Journal of Radiology","volume":" ","pages":"620-621"},"PeriodicalIF":4.4,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12123079/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143764243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Conversion of Mixed-Language Free-Text CT Reports of Pancreatic Cancer to National Comprehensive Cancer Network Structured Reporting Templates by Using GPT-4.","authors":"Hokun Kim, Bohyun Kim, Moon Hyung Choi, Joon-Il Choi, Soon Nam Oh, Sung Eun Rha","doi":"10.3348/kjr.2024.1228","DOIUrl":"10.3348/kjr.2024.1228","url":null,"abstract":"<p><strong>Objective: </strong>To evaluate the feasibility of generative pre-trained transformer-4 (GPT-4) in generating structured reports (SRs) from mixed-language (English and Korean) narrative-style CT reports for pancreatic ductal adenocarcinoma (PDAC) and to assess its accuracy in categorizing PDCA resectability.</p><p><strong>Materials and methods: </strong>This retrospective study included consecutive free-text reports of pancreas-protocol CT for staging PDAC, from two institutions, written in English or Korean from January 2021 to December 2023. Both the GPT-4 Turbo and GPT-4o models were provided prompts along with the free-text reports via an application programming interface and tasked with generating SRs and categorizing tumor resectability according to the National Comprehensive Cancer Network guidelines version 2.2024. Prompts were optimized using the GPT-4 Turbo model and 50 reports from Institution B. The performances of the GPT-4 Turbo and GPT-4o models in the two tasks were evaluated using 115 reports from Institution A. Results were compared with a reference standard that was manually derived by an abdominal radiologist. Each report was consecutively processed three times, with the most frequent response selected as the final output. Error analysis was guided by the decision rationale provided by the models.</p><p><strong>Results: </strong>Of the 115 narrative reports tested, 96 (83.5%) contained both English and Korean. For SR generation, GPT-4 Turbo and GPT-4o demonstrated comparable accuracies (92.3% [1592/1725] and 92.2% [1590/1725], respectively; <i>P</i> = 0.923). In the resectability categorization, GPT-4 Turbo showed higher accuracy than GPT-4o (81.7% [94/115] vs. 67.0% [77/115], respectively; <i>P</i> = 0.002). In the error analysis of GPT-4 Turbo, the SR generation error rate was 7.7% (133/1725 items), which was primarily attributed to inaccurate data extraction (54.1% [72/133]). The resectability categorization error rate was 18.3% (21/115), with the main cause being violation of the resectability criteria (61.9% [13/21]).</p><p><strong>Conclusion: </strong>Both GPT-4 Turbo and GPT-4o demonstrated acceptable accuracy in generating NCCN-based SRs on PDACs from mixed-language narrative reports. However, oversight by human radiologists is essential for determining resectability based on CT findings.</p>","PeriodicalId":17881,"journal":{"name":"Korean Journal of Radiology","volume":" ","pages":"557-568"},"PeriodicalIF":4.4,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12123081/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144007794","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association Between Extracellular Volume Assessed by Cardiac MRI and New-Onset Atrial Fibrillation in Patients With ST-Segment Elevation Myocardial Infarction.","authors":"Lei Chen, Bowen Qiu, Xinjia Du, Jiahua Liu, Zhongxiao Liu, Wensu Chen, Wenliang Che, Yuan Lu","doi":"10.3348/kjr.2025.0070","DOIUrl":"10.3348/kjr.2025.0070","url":null,"abstract":"<p><strong>Objective: </strong>Although left ventricular (LV) fibrosis has been strongly linked to atrial fibrillation (AF), its relationship with new-onset AF (NOAF) following ST-segment elevation myocardial infarction (STEMI) remains unclear. This study aimed to investigate the association between different extracellular volume (ECV) measurements in the LV and NOAF during acute-phase STEMI.</p><p><strong>Materials and methods: </strong>This retrospective study included 517 patients diagnosed with acute STEMI (440 males, 77 females; mean age, 57.2 ± 12.4 years). All patients underwent cardiac magnetic resonance (CMR) imaging with T1 mapping sequences during hospitalization. Blood samples were collected within 24 hours of the CMR examination. ECV was assessed in three regions of the left ventricle: the non-myocardial infarction region (NMI-ECV), the myocardial infarction region (MI-ECV), and the entire myocardium (integral ECV). Multi-variable logistic regression was used to evaluate the associations between these ECV parameters and NOAF. Receiver operating characteristic (ROC) analysis was performed to assess the predictive value of ECV measurements, both alone and in combination with two conventional risk factors-N-terminal pro-B-type natriuretic peptide and infarct-related artery (right coronary artery).</p><p><strong>Results: </strong>During hospitalization, 40 (7.7%) patients developed NOAF. After adjusting for confounding factors, including left atrial strain, MI-ECV, NMI-ECV, and integral ECV were independently associated with NOAF. The area under the ROC curve for predicting NOAF was 0.702 (95% confidence interval: 0.615-0.789), 0.625 (0.531-0.719), and 0.712 (0.627-0.798) for MI-ECV, NMI-ECV, and integral ECV, respectively. The addition of integral ECV and MI-ECV to conventional factors significantly improved the predictive performance for NOAF.</p><p><strong>Conclusion: </strong>ECV measured using CMR was independently and significantly associated with NOAF occurrence in acute-phase STEMI. Incorporating ECV into risk assessment models could significantly improve NOAF prediction.</p>","PeriodicalId":17881,"journal":{"name":"Korean Journal of Radiology","volume":"26 6","pages":"546-556"},"PeriodicalIF":4.4,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12123073/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144159804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Response to \"2025 Korean Society of Abdominal Radiology Recommendations on Gallbladder Polyps and Gallbladder Wall Thickening Warrant Further Investigation and Clarification\".","authors":"Jeong Hee Yoon","doi":"10.3348/kjr.2025.0216","DOIUrl":"10.3348/kjr.2025.0216","url":null,"abstract":"","PeriodicalId":17881,"journal":{"name":"Korean Journal of Radiology","volume":" ","pages":"516-517"},"PeriodicalIF":4.4,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12055274/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143764245","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Response to \"Comparison of Recommendations for Gallbladder Polyps and Gallbladder Wall Thickening Between KSAR and WFUMB Guidelines\".","authors":"Jeong Hee Yoon","doi":"10.3348/kjr.2025.0215","DOIUrl":"10.3348/kjr.2025.0215","url":null,"abstract":"","PeriodicalId":17881,"journal":{"name":"Korean Journal of Radiology","volume":" ","pages":"511-513"},"PeriodicalIF":4.4,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12055271/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143764246","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Discriminating Tumor Deposits From Metastatic Lymph Nodes in Rectal Cancer: A Pilot Study Utilizing Dynamic Contrast-Enhanced MRI.","authors":"Xue-Han Wu, Yu-Tao Que, Xin-Yue Yang, Zi-Qiang Wen, Yu-Ru Ma, Zhi-Wen Zhang, Quan-Meng Liu, Wen-Jie Fan, Li Ding, Yue-Jiao Lang, Yun-Zhu Wu, Jian-Peng Yuan, Shen-Ping Yu, Yi-Yan Liu, Yan Chen","doi":"10.3348/kjr.2024.0767","DOIUrl":"10.3348/kjr.2024.0767","url":null,"abstract":"<p><strong>Objective: </strong>To evaluate the feasibility of dynamic contrast-enhanced MRI (DCE-MRI) in differentiating tumor deposits (TDs) from metastatic lymph nodes (MLNs) in rectal cancer.</p><p><strong>Materials and methods: </strong>A retrospective analysis was conducted on 70 patients with rectal cancer, including 168 lesions (70 TDs and 98 MLNs confirmed by histopathology), who underwent pretreatment MRI and subsequent surgery between March 2019 and December 2022. The morphological characteristics of TDs and MLNs, along with quantitative parameters derived from DCE-MRI (<i>K</i>^trans, <i>k</i>_ep, and <i>v</i>_e) and DWI (ADC_min, ADC_max, and ADC_mean), were analyzed and compared between the two groups. Multivariable binary logistic regression and receiver operating characteristic (ROC) curve analyses were performed to assess the diagnostic performance of significant individual quantitative parameters and combined parameters in distinguishing TDs from MLNs.</p><p><strong>Results: </strong>All morphological features, including size, shape, border, and signal intensity, as well as all DCE-MRI parameters showed significant differences between TDs and MLNs (all <i>P</i> < 0.05). However, ADC values did not demonstrate significant differences (all <i>P</i> > 0.05). Among the single quantitative parameters, <i>v</i>_e had the highest diagnostic accuracy, with an area under the ROC curve (AUC) of 0.772 for distinguishing TDs from MLNs. A multivariable logistic regression model incorporating short axis, border, <i>v</i>_e, and ADC_mean improved diagnostic performance, achieving an AUC of 0.833 (<i>P</i> = 0.027).</p><p><strong>Conclusion: </strong>The combination of morphological features, DCE-MRI parameters, and ADC values can effectively aid in the preoperative differentiation of TDs from MLNs in rectal cancer.</p>","PeriodicalId":17881,"journal":{"name":"Korean Journal of Radiology","volume":" ","pages":"400-410"},"PeriodicalIF":4.4,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12055262/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143764242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Quantitative T2 Mapping Analysis With MRI of Talar Cartilage in Ankle Trauma: A Study Based on Lauge-Hansen Classification and Anatomical Locations.","authors":"Eun Kyung Khil, Jang Gyu Cha, Sung Jae Kim, Yu Sung Yoon","doi":"10.3348/kjr.2024.0773","DOIUrl":"https://doi.org/10.3348/kjr.2024.0773","url":null,"abstract":"<p><strong>Objective: </strong>This study aimed to quantitatively assess abnormalities in the talar dome cartilage using MRI T2 mapping, with additional analyses based on the Lauge-Hansen (LH) classification and anatomical locations.</p><p><strong>Materials and methods: </strong>This retrospective study analyzed 78 patients who underwent ankle MRI with T2 mapping for acute ankle trauma between January 2021 and October 2022. Patients were classified into the supination (S) and pronation (P) groups based on the LH classification, and then divided into subgroups based on posterior malleolus (PM) involvement. The T2 values for the talar cartilage were quantitatively measured in six anatomical regions defined by the combination of medial vs. lateral and anterior vs. central vs. posterior. The T2 mapping values in each region of the talus were compared between the S and P groups and between the PM and non-PM injury groups using <i>t</i>-tests. The T2 values were also compared between the medial and lateral sides within each group.</p><p><strong>Results: </strong>Among the 78 patients (mean age, 38.62 ± 14.82 years; 47 male), 53 and 25 were in the S and P groups, respectively, and 53 patients showed PM involvement. In comparison with the P group, the S group exhibited higher T2 values in the medial portion (61.27 ± 8.30 vs. 54.03 ± 6.96; <i>P</i> < 0.001) and lower T2 values in the lateral talus (54.95 ± 8.47 vs. 64.15 ± 7.31; <i>P</i> < 0.001). The PM injury group showed higher T2 values in the posterior region than the non-PM injury group (<i>P</i> ≤ 0.011). Within the PM injury group, T2 values were higher in the anteromedial and posterolateral regions than on the opposite sides (<i>P</i> = 0.037 and 0.011, respectively).</p><p><strong>Conclusion: </strong>MRI T2 values demonstrated significant regional variations in the talar dome cartilage in acute ankle trauma, and the T2 values may reflect different ankle trauma mechanisms and PM involvement. Thus, T2 mapping can facilitate evaluation of talar cartilage alterations.</p>","PeriodicalId":17881,"journal":{"name":"Korean Journal of Radiology","volume":"26 5","pages":"435-445"},"PeriodicalIF":4.4,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12055265/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144000311","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}