Surgical and Radiologic Anatomy最新文献

{"title":"Bilateral duplication of the posterior communicating artery.","authors":"Marialuisa Zedde, Rosario Pascarella","doi":"10.1007/s00276-025-03665-1","DOIUrl":"https://doi.org/10.1007/s00276-025-03665-1","url":null,"abstract":"<p><strong>Purpose: </strong>This study aims to present a rare case of total bilateral duplication of the posterior communicating artery (PComA), which has been infrequently documented in the literature, and to discuss its anatomical and embryological implications.</p><p><strong>Methods: </strong>We describe the case of a 45-year-old woman who underwent Magnetic Resonance Imaging (MRI) and Magnetic Resonance Angiography (MRA) for sudden onset tinnitus, revealing incidental findings of a dual fenestration of the right A1 anterior cerebral artery (ACA) and an azygos A2 ACA pattern. Notably, total duplication of the PComA was discovered bilaterally, confirmed by Computed Tomography Angiography (CTA). The posterior cerebral artery has a bilateral adult configuration. Follow-up imaging over five years showed stability without aneurysm formation.</p><p><strong>Conclusions: </strong>This case represents the first documented instance of bilateral total duplication of the PComA in an adult, revealing significant anatomical variations. While total PComA duplication is rare, previous studies have associated unilateral duplication with an increased risk of aneurysms. Our findings emphasize the necessity for further research into potential clinical implications and the need for long-term imaging follow-up in such cases, despite the current absence of pathological significance in this particular instance.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":"47 1","pages":"152"},"PeriodicalIF":1.4,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144188381","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Positional relationship of the foramen ovale with the lateral pterygoid plate in children.","authors":"Ali Atadağ, Ömer Faruk Cihan, Aslıhan Artaş, Firdevs Aşantoğrol, Serdar Sönmezışık, Ceyda Şevval Çetin, Ebru Sena Poyraz, Orhan Beger","doi":"10.1007/s00276-025-03666-0","DOIUrl":"https://doi.org/10.1007/s00276-025-03666-0","url":null,"abstract":"<p><strong>Objective: </strong>The work aimed to reveal differences in the position of the foramen ovale (FO) relative to the lateral pterygoid plate (LPP) in children.</p><p><strong>Methods: </strong>Computed tomography images of 360 children (180 males and 180 females) aged 9.52 ± 5.17 years (range: 1-18 years) were included in the work. The position of FO relative to LPP were classified as four types (lateral, medial, direct and removed/far types).</p><p><strong>Results: </strong>The position of FO relative to LPP was identified as lateral type in 245 sides (34%), medial type in 95 sides (13.2%), direct type in 253 sides (35.2%), and removed/far type in 127 sides (17.6%). The dispersion ratios of FO location types showed that FO localization was not associated with sex (p = 0.952), side (p = 0.899), and pediatric age periods (p = 0.794).</p><p><strong>Conclusions: </strong>Incidence of FO location types in children appear to be consistent with adult literature rates. The positional relationship of FO with LPP in children is not related to sex, side and age. A surgeon wishing to place a needle into FO can gain relatively comfortable access to the opening by tracing LPP's base posteriorly, in approximately 80% of pediatric patients; thus, percutaneous procedure can be successfully applied to selected children regardless of age, sex and side.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":"47 1","pages":"153"},"PeriodicalIF":1.4,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144188382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Surgical anatomy of the pterion and its relationship to the middle meningeal artery in optimizing pterional craniotomies: a cadaveric perspective.","authors":"Jessica L Morehouse, Erica L Korbel, Sara S Sloan","doi":"10.1007/s00276-025-03668-y","DOIUrl":"https://doi.org/10.1007/s00276-025-03668-y","url":null,"abstract":"<p><strong>Purpose: </strong>The pterion is an anatomic landmark formed via junction of the temporal, sphenoid, parietal, and frontal bones on the lateral aspect of the cranium. Due to the proximity to the middle meningeal artery (MMA), pterion-based surgical approaches have a potential risk of arterial rupture, leading to subsequent epidural hematoma formation. This study characterized the localization of the pterion and its relationship to the MMA in the four main pterion configurations.</p><p><strong>Methods: </strong>Ninety-one pterions were exposed, and suture patterns were uncovered to determine pterion classification. Dura mater was removed to expose the groove for the MMA and relationship to the pterion, documenting the presence or absence of a bony bridge. Skull thickness at the pterion center was collected for each specimen.</p><p><strong>Results: </strong>Sphenoparietal (Type I) pterions were present in 67.03%, Frontotemporal (Type II) in 10.99%, Stellate (Type III) in 16.48%, and Epipteric (Type IV) in 5.49% of specimens, with non-identical pterion types located bilaterally in 47.62%. A significant difference was found in five of the eight measurements obtained between male and female cadavers, including the distance to the frontozygomatic suture (FZMS). The distance between pterion center and the groove for the MMA, as well as skull thickness, also demonstrated statistical significance, with the smallest distance and skull thickness demonstrated in Type III pterions.</p><p><strong>Conclusion: </strong>Type I is the most prevalent pterion configuration, with Type III most closely situated to the course of the MMA. This study demonstrates the importance of determining pterion type pre-operatively to ensure vascular preservation of MMA.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":"47 1","pages":"151"},"PeriodicalIF":1.4,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144188383","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Anatomical courses of the deep and superficial septal branches of the superior labial artery in the columella and nasal tip for use in clinical rhinoplasty and reconstructive surgeries.","authors":"Hyun Jin Park, Mi-Sun Hur","doi":"10.1007/s00276-025-03659-z","DOIUrl":"https://doi.org/10.1007/s00276-025-03659-z","url":null,"abstract":"<p><strong>Purpose: </strong>Understanding the detailed course of the septal branch of the superior labial artery is crucial for improving the safety and efficacy of both invasive and noninvasive nasal procedures. This study aimed to clarify the anatomical courses and variations of the deep and superficial septal branches of the superior labial artery in the columella, with particular attention paid to their clinical implications in rhinoplasty and reconstructive surgeries.</p><p><strong>Methods: </strong>The deep and superficial septal branches of the superior labial artery were examined in 40 Korean embalmed cadavers. Detailed dissections were performed to trace the course of the septal branch, measure its diameter, and document its branching patterns.</p><p><strong>Results: </strong>The deep septal branch of the superior labial artery arose from the middle portion of this artery, coursing anteriorly just below the septal cartilage. It emerged between the superior border of the orbicularis oris and the septal cartilage, ascending toward the nasal tip in 90.0% of cases. The branch divided into two main branches at the upper (27.5%), middle (5.0%), and lower (47.5%) levels of the columella. In another 10.0% of cases the branch either did not ascend to the columella or only reached the middle level. The superficial septal branch was found to anastomose with the deep septal branch at the columellar base in several cases, and its diameter varied, being thicker than the deep septal branch in some cases. The superficial septal branch also exhibited various branching patterns that contributed significantly to the vascularization of the columella and nasal tip.</p><p><strong>Conclusion: </strong>This study has yielded comprehensive anatomical data on the deep and superficial septal branches of the superior labial artery, highlighting its clinical significance in nasal surgeries and procedures. These findings offer valuable insights for optimizing procedural outcomes and minimizing complications in rhinoplasty and reconstructive surgeries.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":"47 1","pages":"150"},"PeriodicalIF":1.4,"publicationDate":"2025-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144175469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The prevalence, morphology and topography of fabella in knee joints in the polish population and its association with size of patella.","authors":"Tomasz Kozioł, Kacper Stolarz, Aleksander Osiowski, Maksymilian Osiowski, Barbara Jasiewicz, Dominik Taterra","doi":"10.1007/s00276-025-03655-3","DOIUrl":"10.1007/s00276-025-03655-3","url":null,"abstract":"<p><strong>Purpose: </strong>The fabella is a sesamoid bone located posterior to the lateral femoral epicondyle within the gastrocnemius muscle. While commonly present in mammals, its prevalence in humans remains unclear, with reported rates ranging from 3 to 87%. Fabella is more frequently observed in Asian and Australian populations but is rare in European and American populations. Although often asymptomatic, it can sometimes cause knee pain, known as \"fabella syndrome,\" and may contribute to neurological symptoms when in proximity to the common fibular nerve. Given the limited awareness of fabella's presence, this study aims to assess its prevalence and anatomical characteristics to aid in the differential diagnosis of knee pain.</p><p><strong>Methods: </strong>A retrospective analysis was conducted on 500 knee radiographs from 383 patients experiencing knee pain. Data collected included patient age and sex, fabella presence and dimensions, fabella location (distances to surrounding bony structures), patella dimensions, and patellotibial ligament length.</p><p><strong>Results: </strong>Fabella was detected in 31 females (14.76%) and 29 males (25.66%). Among the examined knees, fabella was present in 40 (12.82%) of female and 39 (20.74%) of male knees. The mean fabella length was 8.85 mm (SD = 2.59), and thickness was 5.63 mm (SD = 1.88), with no significant sex differences. No correlation was found between fabella size and patella dimensions. Notably, patients with fabella were older on average, and bilateral fabellae were significantly larger than unilateral cases (p < 0.05).</p><p><strong>Conclusion: </strong>Fabella is a relatively common anatomical variant in Central European populations, present in one in six women and one in four men. Its increased prevalence in older individuals suggests a potential age-related development. A comprehensive understanding of fabella anatomy may aid clinicians in diagnosing and managing unexplained knee pain, particularly in elderly patients.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":"47 1","pages":"149"},"PeriodicalIF":1.4,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12116647/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144163427","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}

{"title":"Morphologic evaluation of the coccyx in the pediatric population.","authors":"Nevzat Meylani, Barış Ten, Gülhan Temel, Hasan Hüsnü Yüksek, Ali Danyal Cömert, Burhan Beger, Baran Can Alpergin, Orhan Beger","doi":"10.1007/s00276-025-03662-4","DOIUrl":"https://doi.org/10.1007/s00276-025-03662-4","url":null,"abstract":"<p><strong>Purpose: </strong>This computed tomography study aimed to display the alteration in the coccyx morphology (its ossification process, dimension and angulation) in children with advancing age.</p><p><strong>Methods: </strong>Pelvic radiologic scans of 180 children aged 1-18 years were retrospectively evaluated to observe changes in the coccyx morphology with age, and to measure the linear length (LL), curvilinear length (CLL), sacrococcygeal angle (SCA), and intercoccygeal angle (ICA).</p><p><strong>Results: </strong>The present study divides the postnatal evolution of the coccyx into three phases as follows: (a) in the first stage when the coccyx is of the shortest, it is completely cartilage until the age of 2 (infancy period) and its first segment begins to ossify by the age of 3 (early childhood period), (b) in the second stage when the coccyx is of medium size, its first segment is completely ossified by the age of 6 (late childhood period) and the ossification of its all segments is completed from the age of 11 (prepubescent period), and (c) in the third stage when the coccyx is of the longest, it reaches to adult size (postpubescent period). Linear functions were calculated as y = 15.647 + 1.145 × age (p < 0.001, R² = 0.561) for LL, and as y = 16.829 + 1.243 × age (p < 0.001, R² = 0.559) for CLL.</p><p><strong>Conclusion: </strong>Considering that morphological features of the coccyx, such as ICA, can be used in the diagnosis of coccydynia, our dataset may facilitate the identification of children with suspected coccydynia.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":"47 1","pages":"147"},"PeriodicalIF":1.4,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144152750","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Osseous anatomy of the distal radius: a morphometric analysis of external groove and bony ridge.","authors":"Fatma Ok, Beyza Çelikgün, Gkionoul Nteli Chatzioglou, Ahmet Ertaş, Osman Coşkun","doi":"10.1007/s00276-025-03631-x","DOIUrl":"https://doi.org/10.1007/s00276-025-03631-x","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to investigate the presence and morphological and morphometric characteristics of the distal radius's external groove (EG) and bony ridge, which play a potential role in the pathogenesis and treatment difficulties of De Quervain's tenosynovitis.</p><p><strong>Methods: </strong>The osseous anatomy of the distal radius was analyzed in detail on a total of 103 dry bone specimens (49 left and 54 right) obtained from the Department of Anatomy, Istanbul University, Turkiye. The frequency and morphology of the EG were analyzed. The EGs were categorized as Type 1, Type 2, and Type 3 with two EGs, one EG with depth, and an additional EG without depth, respectively. Finally, flat areas without clear groove boundaries were classified as Type 4.</p><p><strong>Results: </strong>The analyses showed variations in the morphology and dimensions of the EG and bony ridge. A total of 110 EGs were detected in 103 radii examined. Type 1, Type 2, Type 3 and Type 4 EGs were reported in 30 bones (30%), 38 bones (38%), 12 bones (12%) and 23 bones (23%), respectively. The depth of the EG of Type 1 was 0.26 ± 0.23 mm and 0.22 ± 0.16 mm on the lateral and medial sides, respectively. Also, the depth of the Type 2 was calculated as 0.49 ± 0.37 mm.</p><p><strong>Conclusion: </strong>The osseous variations of the distal radius are critical anatomical factors contributing to the pathogenesis of De Quervain's tenosynovitis and difficulties in the treatment process. It is essential to recognize these variations to improve diagnostic accuracy and optimize therapeutic interventions.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":"47 1","pages":"146"},"PeriodicalIF":1.4,"publicationDate":"2025-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144136469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The anatomy of the inferior mesenteric artery: a systematic review with meta-analysis.","authors":"George Triantafyllou, Nektarios Belimezakis, Orestis Lyros, Nikolaos Arkadopoulos, Fotis Demetriou, George Tsakotos, Maria Piagkou","doi":"10.1007/s00276-025-03657-1","DOIUrl":"10.1007/s00276-025-03657-1","url":null,"abstract":"<p><strong>Purpose: </strong>This evidence-based systematic review with meta-analysis aims to synthesize the inferior mesenteric artery (IMA) variants including their origin level, branching patterns, and morphometric characteristics.</p><p><strong>Materials and methods: </strong>The study adhered to the latest guidelines. Four online databases were used for the systematic review, and studies that reported the prevalence of IMA variants were considered eligible for inclusion. A statistical meta-analysis was conducted using R programming software with a random-effects model to calculate the pooled prevalence of the variants.</p><p><strong>Results: </strong>Twenty-three (23) studies were included in this analysis. The IMA typically originated at the 3rd lumbar vertebra (L3) level, occurring in 70.16% of cases. The most common branching pattern of the IMA was bifurcated, indicating a pooled prevalence of 63.89%. This predominant pattern involved the IMA bifurcating into the left colic artery (LCA) and a common trunk for both the superior rectal artery (SRA) and the sigmoid artery (SA), with a pooled prevalence of 46.09%. The IMA trifurcation and tetrafurcation had pooled prevalences of 27.35% and 11.62%, respectively. The diameter of the IMA had a pooled mean of 41.41 mm, and the distance from the IMA's origin to the LCA had a pooled mean of 40.67 mm.</p><p><strong>Conclusions: </strong>This review of existing literature delineates the IMA levels of origin, branching patterns, and morphometric characteristics. A comprehensive understanding of the surgical anatomy of this vessel is imperative during colorectal cancer procedures. Consequently, surgeons operating in this anatomical region must possess an in-depth knowledge of typical and variant anatomical structures.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":"47 1","pages":"144"},"PeriodicalIF":1.4,"publicationDate":"2025-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12103349/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144136471","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}

{"title":"Absent right common carotid artery associated with left accessory middle cerebral artery diagnosed by computed tomography angiography.","authors":"Atsushi Hashio, Akira Uchino, Kaima Suzuki, Yasutaka Baba, Hiroki Kurita","doi":"10.1007/s00276-025-03658-0","DOIUrl":"10.1007/s00276-025-03658-0","url":null,"abstract":"<p><strong>Purpose: </strong>To describe a case involving congenital absence of the right common carotid artery (CCA) associated with a left accessory middle cerebral artery (MCA) that was diagnosed by computed tomography angiography (CTA).</p><p><strong>Methods: </strong>A 63-year-old woman with a narrow right internal carotid artery (ICA) incidentally detected on magnetic resonance imaging underwent CTA for further vascular evaluation.</p><p><strong>Results: </strong>CTA revealed absence of the right CCA, with the right external carotid artery (ECA) branching from the brachiocephalic trunk and the right ICA branching from the right subclavian artery. The ICA was hypoplastic. A left accessory MCA was also observed. Although blood flow in the right ICA was decreased, the patient was asymptomatic; thus, conservative treatment was administered, and her clinical course remained uneventful.</p><p><strong>Conclusion: </strong>Absence of the CCA is associated with the development of the aorta and various vascular variations; however, to our knowledge, this is the first report of an association with a contralateral accessory MCA, the existence of which may be considered incidental. Preoperative knowledge of this rare variation is important when considering endovascular treatment of cerebral aneurysms and other arterial lesions.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":"47 1","pages":"142"},"PeriodicalIF":1.4,"publicationDate":"2025-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12103330/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144136516","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}

{"title":"A rare unilateral variation of extensor digitorum longus and fibularis tertius muscles.","authors":"Burcu Kamaşak Arpaçay, Emre Uğuz, Tufan Ulcay, Kenan Aycan","doi":"10.1007/s00276-025-03633-9","DOIUrl":"https://doi.org/10.1007/s00276-025-03633-9","url":null,"abstract":"<p><strong>Purpose: </strong>Both the extensor digitorum longus (EDL) and fibularis tertius (FT) muscles exhibit a wide range of morphological variations.</p><p><strong>Methods: </strong>A 70-year-old male cadaver was subjected to routine anatomical dissection for research and teaching purposes.</p><p><strong>Results: </strong>The EDL had a markedly smaller fleshy belly, whereas the FT appeared hypertrophic. The EDL tendon displayed an atypical elongation and bifurcated into only three distinct slips, which inserted into the dorsal digital expansions of the second, third, and fourth toes. In contrast, the FT tendon was remarkably well-developed and divided into two slips. The lateral slip attached to the dorsal aspect of the base of the fifth metatarsal, while the medial slip extended distally to integrate into the dorsal digital expansion of the fifth toe.</p><p><strong>Conclusion: </strong>In injuries involving tendon incisions, clinicians should consider EDL variations to ensure proper tendon restoration. The FT muscle flap and tendon grafts are commonly used to correct ankle joint laxity and foot drop. Understanding variations in the EDL and FT is crucial for surgical planning.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":"47 1","pages":"143"},"PeriodicalIF":1.4,"publicationDate":"2025-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144136511","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}