Surgical and Radiologic Anatomy最新文献

{"title":"Communicating artery between posterior circumflex humeral artery and deep brachial artery: case report, literature review and clinical implications.","authors":"Pablo Martínez-Collado, Joaquim Casañas-Sintes, Guillermo José Tarnawski-Español, Manuel Llusá, Maria Rosa Morro-Martí","doi":"10.1007/s00276-024-03519-2","DOIUrl":"10.1007/s00276-024-03519-2","url":null,"abstract":"<p><strong>Purpose: </strong>Knowledge of a large communication between posterior circumflex humeral and deep brachial arteries, although infrequent, it is important to avoid damage during a Leechavengvongs procedure or used as recipient artery in free flaps for upper limb reconstruction.</p><p><strong>Methods: </strong>A dissection of a latex-injected cadaver revealed the presence of a large communication between the posterior circumflex humeral and deep brachial arteries. Furthermore, this communicating artery was observed during a Leechavengvongs procedure. A comprehensive review of the existing literature on the anatomical variations of the posterior circumflex humeral and deep brachial arteries was conducted.</p><p><strong>Results: </strong>A communicating artery between the posterior circumflex humeral and deep brachial arteries was identified during a routine dissection. This communicating artery establishes a posterior collateral pathway of substantial caliber between the axillary and the brachial arteries. Given its oblique trajectory posteriorly along the humeral shaft, this artery is susceptible to injury during a posterior approach to the humerus. Despite the existence of numerous anatomical variations involving the posterior circumflex humeral and deep brachial arteries, this communicating artery has not been previously described in the literature. Additionally, we report this anatomical variation crossing the surgical field during a Leechavengvongs procedure.</p><p><strong>Conclusion: </strong>Our findings suggest that a large communicating artery between the posterior circumflex humeral artery and the deep brachial artery has the potential to cross the surgical field and become a source of risk during a posterior approach to the arm. It can also be used as recipient artery in free flaps for upper limb reconstruction.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":"47 1","pages":"17"},"PeriodicalIF":1.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142787473","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 extensor digitorum brevis manus variability and clinical significance: a systematic review with meta-analysis.","authors":"George Triantafyllou, Maria Piagkou, Ioannis Paschopoulos, Fabrice Duparc, George Tsakotos, Georgi P Georgiev","doi":"10.1007/s00276-024-03536-1","DOIUrl":"https://doi.org/10.1007/s00276-024-03536-1","url":null,"abstract":"<p><strong>Purpose: </strong>The current meta-analysis aimed to investigate the extensor digitorum brevis manus (EDBM) muscle variability by calculating the pooled prevalence of all published variants. After considering the pooled prevalence, these variants were classified based on their insertion and relationship with the extensor indicis (EI) muscle and/or tendon. The origin of the variants, neural and arterial supply, and the terminology of the EDBM variants were further investigated.</p><p><strong>Materials: </strong>The systematic review was conducted according to the guidelines proposed by the Evidence-Based Anatomy Workgroup and PRISMA 2020. Four databases were searched using several keyword combinations. The included studies were statistically meta-analyzed using the R programming language. The EDBM pooled prevalence was calculated, as were subgroup analyses of a few parameters.</p><p><strong>Results: </strong>Thirty-one studies met our inclusion criteria, with a total sample of 9686 hands. The EDBM pooled prevalence was estimated at 1.96% (95%CI 1.42-2.58). The EDBM's most common insertion was via a distinct tendon to the index finger, coexisting with the typical EI tendon (0.38% pooled prevalence). The origin, innervation, and arterial supply of EDBM have not been studied systematically.</p><p><strong>Conclusions: </strong>The EDBM variant can be considered infrequent, with a pooled prevalence of 1.96%. Particular attention should be given to the muscle's insertion and relationship with the EI muscle and tendon. Knowledge of the EDBM morphological variability is adequate for hand and reconstructive surgeons to avoid confusion intraoperatively and misdiagnosis preoperatively.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":"47 1","pages":"18"},"PeriodicalIF":1.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142787475","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":"Crista galli in children: classification, pneumatization, dimension, and clinical relevance.","authors":"Musa Sezer, Baran Can Alpergin, Göktuğ Ülkü, Cagri Elbir, Omer Selcuk Sahin, Merve Kalındemirtaş, Orhan Beger, Habibullah Dolgun","doi":"10.1007/s00276-024-03534-3","DOIUrl":"https://doi.org/10.1007/s00276-024-03534-3","url":null,"abstract":"<p><strong>Purpose: </strong>This radiologic work aimed to display the alteration in the crista galli (CG) morphology in the pediatric population with advancing age.</p><p><strong>Methods: </strong>This pediatric examination consisted of computed tomography images of 180 subjects (90 males / 90 females) aged 1-18 years. The width (CGW), height (CGH) and length (CGL) of CG were measured, and its morphological types were noted.</p><p><strong>Results: </strong>CGW, CGH and CGL were measured as 4.34 ± 1.38 mm, 12.13 ± 3.36 mm and 13.03 ± 2.75 mm, respectively. CGH (p < 0.001) and CGL (p < 0.001) increased with advancing age, but CGW (p = 0.069) did not vary. Three configurations regarding morphological types of CG were observed as follows: the tear-drop type in 83 CGs (46.10%), the tubular type in 64 CGs (35.60%), and the ossified type in 33 CGs (18.30%). Three configurations related to Keros classification were determined as follows: Type 1 in 31 CGs (17.20%), Type 2 in 116 CGs (64.50%), and Type 3 in 33 CGs (18.30%). CG shape types (p = 0.455) and Keros types (p = 0.801) did not correlate with sex. CG pneumatization was found in six (3.3%) children.</p><p><strong>Conclusions: </strong>CGL increased, but did not alter significantly after infancy period. CGW did not correlate with pediatric ages, but CGH increased with advancing age up to prepubescent period. The incidence of Type 1 decreased with advancing age, but the incidence of Types 2 and 3 increased, especially from the late childhood period. All pneumatized CGs were observed after late childhood period.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":"47 1","pages":"19"},"PeriodicalIF":1.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142787474","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":"Persistent proatlantal intersegmental artery: a consideration based on multi-slice spiral computed tomography angiography.","authors":"Qin Xiao, Yi Mao, Shunan Wang, Xinju Yang","doi":"10.1007/s00276-024-03524-5","DOIUrl":"https://doi.org/10.1007/s00276-024-03524-5","url":null,"abstract":"<p><strong>Background: </strong>Multi-slice spiral computed tomography (CT) angiography (MSCTA) has become the primary non-invasive image technique for evaluating cephalic and cervical vascular anatomy, especially vascular variant such as persistent carotid-basilar anastomosis. Persistent proatlantal intersegmental artery (PPIA) is an example of a rare persistent carotid-basilar anastomosis that deserves to be featured through this imaging technic.</p><p><strong>Purpose: </strong>The aim of this study is to explore the imaging characteristics of the PPIA using MSCTA and to assess its clinical significance. Furthermore, the study seeks to propose a novel classification system predicated on the posterior circulation blood supply.</p><p><strong>Materials and methods: </strong>This retrospective analysis evaluated the imaging and clinical data of 11 patients diagnosed with a PPIA using MSCTA.</p><p><strong>Results: </strong>The incidence of the PPIA was found to be 0.01%. Classification based on the origin of the PPIA identified two cases (18.2%) as type I and nine cases (81.8%) as type II. This study introduced a novel classification system for PPIA, which is based on the posterior circulation blood supply, encompassing the persistent artery, vertebral artery, and posterior communicating artery. Among the 11 patients with PPIA, there were 11 instances of ipsilateral vertebral artery agenesis, three cases of contralateral vertebral artery hypoplasia, one case of contralateral vertebral artery agenesis, two cases of persistent artery hypoplasia, and two cases of basilar artery hypoplasia. Furthermore, the study identified two patients with aneurysms, one with cerebral infarction, and one with a Pulmonary Arteriovenous Fistula.</p><p><strong>Conclusion: </strong>The proposed classification system for PPIA enhances the understanding of posterior circulation blood supply, which is vital for pre-interventional and pre-surgical imaging assessments. In PPIA cases, the ipsilateral vertebral artery is consistently hypoplastic, and the PPIA predominantly serves the posterior fossa's vascularization in about 75% of cases.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":"47 1","pages":"15"},"PeriodicalIF":1.4,"publicationDate":"2024-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142774073","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":"Re-evaluation of the orbicularis oculi muscle as revealed by the analysis of isolated muscle specimens.","authors":"Masuko Ishii, Kota Kato, Hidaka Anetai, Koichiro Ichimura, Tatsuo Sakai","doi":"10.1007/s00276-024-03529-0","DOIUrl":"https://doi.org/10.1007/s00276-024-03529-0","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to clarify the origin, insertion, and subdivision of the orbicularis oculi in detail with in situ specimens, as well as with isolated muscle specimens from the superficial and deep aspects.</p><p><strong>Methods: </strong>The periorbital muscles in fifteen cadavers fixed with formalin were examined in situ and/or in isolated muscle specimens, and evaluate their actions.</p><p><strong>Results: </strong>The orbicularis oculi arose via the nasoglabellar aponeurosis, which was observable in the deep aspect of isolated specimens as a rigid sheet of connective tissue in the middle of both orbits and adhered to the dorsum nasi in situ (100%). The two subdivisions of the orbicularis oculi were demarcated at the lateral angle of the eye and exhibited different insertions. The fascicles of the upper and lower halves of the inner part met each other at the lateral canthus and formed a shallow groove between them as observed in situ, and terminated via the lateral palpebral raphe on the deep aspect of the muscle to the temporal fascia. The fascicles of the upper and lower halves of the outer part extended over the orbital margin and intermingled with each other to disperse in the temporal subcutaneous tissue.</p><p><strong>Conclusions: </strong>The nasoglabellar aponeurosis was structurally characterized as the common origin of the periorbital muscles. The present study confirmed that the inner and outer parts of the orbicularis oculi are distinguished by the difference of lateral termination and interpreted as having different function on the palpebral movement in each.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":"47 1","pages":"14"},"PeriodicalIF":1.4,"publicationDate":"2024-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142774075","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":"Rare kissing antra of the maxillary sinuses: clinical implications.","authors":"Rowa A Mohamed, Mohamed S Muneer, Tarik F Massoud","doi":"10.1007/s00276-024-03521-8","DOIUrl":"https://doi.org/10.1007/s00276-024-03521-8","url":null,"abstract":"<p><strong>Purpose: </strong>To report a rare anatomical variant of the maxillary sinuses, with radiological and clinical emphasis.</p><p><strong>Methods: </strong>A 40-year-old male with recurrent acute rhinosinusitis presented to our center for clinical management. A computed tomography scan revealed the presence of an incidental anatomical variant of bilateral maxillary sinuses for which we coin the term \"kissing antra\".</p><p><strong>Results: </strong>Kissing antra appearances on computed tomography consisted of enlarged bilateral palatine recesses of the maxillary antra that met in the midline across a narrow bony septum below the floor of the nasal cavity. The right palatonasal recess angle was markedly acute at 61° instead of the normal 90°.</p><p><strong>Conclusion: </strong>Kissing antra of the maxillary sinuses are important for anatomists, radiologists and surgeons to be aware of, both as rare anatomical variants, as well as for their multiple clinical diagnostic and therapeutic implications that we discuss in this report.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":"47 1","pages":"13"},"PeriodicalIF":1.4,"publicationDate":"2024-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142774074","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":"Development and growth of fasciae in and around the esophageal hiatus: a histological study using human fetuses.","authors":"Ai Hirano-Kawamoto, Yohei Honkura, Gen Murakami, Shin-Ichi Abe, Jose Francisco Rodríguez-Vázquez, Yukio Katori","doi":"10.1007/s00276-024-03517-4","DOIUrl":"https://doi.org/10.1007/s00276-024-03517-4","url":null,"abstract":"<p><strong>Purpose: </strong>An entire fascial configuration at the esophageal hiatus might not be demonstrated histologically. According to observations of human fetus histology, the aim of this study was to consider which factor is likely to make the individual variation in adults.</p><p><strong>Methods: </strong>We observed frontal histological sections containing the esophageal hiatus from 12 midterm fetuses at 12-16 weeks (crown-rump length: CRL, 85-137 mm) and 10 near-term fetuses at 26-30 weeks (CRL, 214-250 mm).</p><p><strong>Results: </strong>At midterm, the transversalis fascia covering the diaphragm turned upward to join the adventitia of the left aspect of the esophagus: thus, the upper leaflet of the phreno-esophageal membrane was established first. A connection between the adventitia and endothoracic fascia (i.e., the upper leaflet of the PEM) was deleyed in the right. At near-term, both the transversalis and endothoracic fasciae often joined the adventitia in the left side but not in the right side. Therefore, fascial development advanced in the left side as well as the inferior side of the hiatus. The foregut-midgut junction, suggested with cytokeratin 5/6 immunostaining, was located in the hiatus.</p><p><strong>Conclusion: </strong>Development and growth of the phreno-esophageal membrane showed left/right and superior/inferior differences. The transiently-appeared pleural recess, the upward protruding right crus of diaphragm and, the right liver and adrenal extending upward seemed to disturb the fascial connection to the adventitia in the right and/or superior side. Individual variations in the fascial configuration at the hiatus might occur due to the site-dependent delay of the establishment of structures.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":"47 1","pages":"16"},"PeriodicalIF":1.4,"publicationDate":"2024-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142774072","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":"Fiber anatomy and histological characteristics of the innervation of the triangular fibrocartilage complex.","authors":"Tonglong Xu, Xiaoyun Pan, Jingyi Mi","doi":"10.1007/s00276-024-03443-5","DOIUrl":"10.1007/s00276-024-03443-5","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the precise origin of sensory nerves through gross anatomical study of the TFCC, synthesized alongside imaging and histological techniques.</p><p><strong>Method: </strong>Six cadaveric forearm specimens were obtained to map the course and branches of the ulnar nerve through macrodissection. Immunohistochemical staining targeting PGP 9.5 and type IV collagen was performed on frozen TFCC sections to visualize nerve fibers microscopically. Computed tomography, magnetic resonance imaging, and arthrography findings were also reviewed.</p><p><strong>Results: </strong>At the macroscopic level, the articular branches supplying the TFCC originated predominantly from the dorsal branch of the ulnar nerve. Microscopic analysis revealed positive PGP 9.5 expression and discernible neural marker expression, signifying fine nerve fiber ingrowth within the TFCC. Imaging modalities aided the diagnosis of TFCC lesions. The dorsal cutaneous branch of the ulnar nerve, medial cutaneous nerve of the forearm, and volar sensory branch of the ulnar nerve emerged as the principal nerves innervating the TFCC.</p><p><strong>Conclusions: </strong>This study provides anatomical evidence that the TFCC receives innervation from branches of the ulnar nerve and contains sensory nerve fibers. These findings enhance understanding of potential neuropathic pain mechanisms in TFCC injuries and offer insights to guide surgical interventions. Further investigations are warranted to elucidate the clinical implications.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":" ","pages":"2093-2101"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142570167","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":"Micro-CT study of human laryngeal structures using phosphotungstic agent staining.","authors":"Kyu-Ho Yi, Hyung-Jin Lee, Ji-Hyun Lee","doi":"10.1007/s00276-024-03489-5","DOIUrl":"10.1007/s00276-024-03489-5","url":null,"abstract":"<p><strong>Purpose: </strong>Traditional dissection methods are primarily limited by challenges in identifying minute structures, which can lead to irreversible tissue damage. Anatomical observation of the larynx is particularly challenging in educational and clinical settings owing to its microscopic structures and complex three-dimensional (3D) nature, making it difficult to dissect. Therefore, this study aimed to demonstrate that micro-computed tomography (micro-CT) imaging of the larynx can serve as an effective alternative for educational and clinical purposes, overcoming these limitations.</p><p><strong>Methods: </strong>Three laryngeal specimens were obtained from cadavers, stained with a phosphotungstic acid-based contrast agent, and imaged using enhanced micro-CT. The resulting images were reconstructed in three dimensions, allowing for a detailed 3D observation of the specimens.</p><p><strong>Results: </strong>Phosphotungstic contrast-enhanced micro-CT provided comprehensive anatomical information on laryngeal structures, including muscles, nerves, arteries, and vocal folds.</p><p><strong>Conclusion: </strong>This study demonstrates the high effectiveness of micro-CT in producing detailed structural images of the larynx, enabling 3D observation of even the smallest anatomical structures. These images can be applied in both educational and clinical settings to analyze the human larynx, effectively overcoming the limitations of traditional dissection methods. This approach facilitates the analysis of laryngeal structures that are otherwise difficult to observe with the naked eye.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":" ","pages":"1929-1935"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142584544","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 analysis of the abdominal aorta in a South African sample: influence of age and sex.","authors":"Pheladi Mokoena, Robyn Lunn-Collier, Lee-Roy Witbooi, Karin Baatjes, Kerri Keet","doi":"10.1007/s00276-024-03502-x","DOIUrl":"10.1007/s00276-024-03502-x","url":null,"abstract":"<p><strong>Purpose: </strong>The anatomy of the abdominal aorta (AA) varies with age and sex; however, limited studies exist from South Africa. Given the increased incidence of endovascular treatment of the AA, reference values are relevant for interventionalists for improving the safety of endovascular procedures. Therefore, the study aimed to determine the lengths, diameters and tortuosity of the AA and their association with age and sex in a South African sample.</p><p><strong>Methods: </strong>After ethical approval, 97 computed tomography angiography (CTA) scans from an adult sample (54 male and 43 female), mean age 48.5 ± 17.2 years were analysed. The aortic length was measured from the origin of the coeliac trunk to the bifurcation point of the AA. The lumen diameters of the aorta were measured at three landmarks. Tortuosity of the AA was quantified with the tortuosity index and its prevalence was determined.</p><p><strong>Results: </strong>The AA was longer in males and showed a significant weak positive correlation with age. The mean diameters of the AA were larger in males and had a significant strong positive correlation with age in both sexes (p < .001). There was a strong positive correlation between age and tortuosity in both sexes (p < .001). The prevalence of a tortuous c-shaped-curve phenotype was 8.2%, with a 7:1 male-to-female ratio.</p><p><strong>Conclusion: </strong>The dimensions and tortuosity differed between sexes and varied significantly with age. These findings may contribute towards reference values in the South African setting, inform patient selection and complement decision-making of endovascular treatment strategies.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":" ","pages":"2049-2055"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11579109/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142478998","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}