National journal of maxillofacial surgery最新文献

{"title":"Mandibular lateral ectopia: A rare case presentation.","authors":"Sudhir Ramisetti, Kollu Anusha, Thota Avinash, B Sashi Venkat Prathyush","doi":"10.4103/njms.njms_202_22","DOIUrl":"https://doi.org/10.4103/njms.njms_202_22","url":null,"abstract":"<p><p>Ectopic thyroid is a rare congenital anomaly that results from failure of decent from the foramen cecum to the primitive thyroid during the stage of embryogenesis. The specific prevalence ranges from 1 in 100,000-300,000 population. Development, genetics, and mutation play a role in the formation of ectopic thyroid. The most common location of ectopic thyroid is at the base of the tongue, followed by sub-mandibular, pre-tracheal, esophageal, mediastinum, diaphragm, and other rare sites. Lateral ectopic thyroid is further a rare clinical entity which is formed due the failure of descend of the lateral thyroid component to the midline with a euthyroid in its normal anatomical position. Here, we present a case report of lateral ectopic thyroid which ordinarily does not flash as a diagnosis title for a painless, firm mass on the lateral aspect of the mandible, making the treatment plan inconclusive. Clinical, radiographic, laboratory tests with a histopathalogical examination make a categorical and final treatment for the ectopic thyroid. Regular follow-up with a euthyroid state maintenance gives a cherishing and positive output for the patient.</p>","PeriodicalId":101444,"journal":{"name":"National journal of maxillofacial surgery","volume":"15 3","pages":"540-543"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11737579/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143019205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hyena bite: A rare intriguing mode of maxillofacial injury, its management, risks involved, scenarios to avoid.","authors":"Arjun Mahajan, Chandresh Jaiswara, Neeraj Kumar Dhiman, Aswathi Krishnan","doi":"10.4103/njms.njms_223_22","DOIUrl":"10.4103/njms.njms_223_22","url":null,"abstract":"<p><p>The striped hyena (Hyaena hyaena) is a rarely spotted carnivore in India listed as Near Threatened (red list) by International Union for Conservation of Nature (IUCN) in 2014. Hyena is considered as scavenger but also executes rare opportunistic attacks on humans. In India, reported cases of hyena attack on humans are very rare, because of remote locations of these attacks majority of which go unreported to higher medical centres. This article describes about the circumstances and management of Hyena inflicted maxillofacial injury in North India, which is as per our knowledge first scientifically documented maxillofacial injury caused by Hyena in Indian subcontinent.</p>","PeriodicalId":101444,"journal":{"name":"National journal of maxillofacial surgery","volume":"15 3","pages":"530-534"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11737557/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143019190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Microinvasive oral squamous cell carcinoma: A management protocol.","authors":"Uma Shanker Pal, Seema Devi, Meleti Venkata Sowmya, Harshita Maurya, Sandeep Kumar, Ranjeet Singh","doi":"10.4103/njms.njms_81_23","DOIUrl":"10.4103/njms.njms_81_23","url":null,"abstract":"<p><p>Microinvasive oral squamous cell carcinoma (MISCC) is the early stage of oral cancer that shows a breach in the basement membrane, and the depth of invasion of the tumour is limited to 0.5-2mm into the papillary stroma. A review of the available data on MISCC was conducted to formulate a management protocol for MISCC and to assess the association of MISCC with oral potentially malignant disorders. An electronic and manual search of the articles was conducted following the inclusion and exclusion criteria. A total of 14 articles were selected, evaluated, and details were tabulated. Before finalizing the treatment plan, potential diagnostic errors on both the surgeon and pathologist's part and prognostic outcomes should be taken into consideration. An association between oral potentially malignant disorders and MISCC was observed in 12 out of 14 articles. According to the NCCN guidelines, elective neck dissection is only indicated in highly selective cases for a depth of invasion of less than 2mm. However, three out of 14 MISCC cases showed metastasis to lymph nodes during the follow-up period. Multiple recurrences and second primaries in the case of MISCC are also a matter of concern. Management protocol was formulated for MISCC considering the histopathological, clinical, and radiological presentation. Precise management of oral potentially malignant disorders with rigorous follow-up for at least 3 years is advisable to prevent their carcinomatous transformation. A follow-up period of 4-8 years in the case of MISCC is recommended as part of the management protocol.</p>","PeriodicalId":101444,"journal":{"name":"National journal of maxillofacial surgery","volume":"15 3","pages":"349-352"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11737556/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143019339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Morphometric evaluation of middle ear anatomical structures using full volume (12 × 9) CBCT scans: A retrospective study in Navi Mumbai.","authors":"Simran N Verma, Bhakti S Patil, Deepa A Das","doi":"10.4103/njms.njms_10_23","DOIUrl":"10.4103/njms.njms_10_23","url":null,"abstract":"<p><strong>Introduction: </strong>The tympanic cavity contains three tiny bones, the malleus, incus, and stapes, which have a fundamental role in the transmission of sound. Recent research emphasizes the use of CBCT for the anatomic study of the temporal bone. The information about middle ear anatomy on CBCT scans is meager; hence, this retrospective study was conducted to identify and determine the various morphometrical parameters of the malleus using CBCT which can be helpful during reconstructive procedures for the otologic surgeon.</p><p><strong>Materials and methods: </strong>The retrospective study was performed on 200 subjects (101 M and 99 F) in the Department of Oral and Maxillofacial Radiology. CBCT images of 200 subjects were studied in all planes to identify ossicular chain and the malleus to investigate the morphometric parameters in Indian Subjects.</p><p><strong>Result: </strong>The average of morphometric parameters shows that the mean length of the malleus is 7.2 mm, the mean width of the head of the malleus is 3.02 mm, length of superior semicircular canal is 4.90 mm, and length of external auditory canal is 19.15 mm in Navi Mumbai population.</p><p><strong>Conclusion: </strong>The obtained morphometric data of the malleus through our study will help the prosthesis maker in the formation of various implants and grafts required to treat various ear diseases.</p>","PeriodicalId":101444,"journal":{"name":"National journal of maxillofacial surgery","volume":"15 3","pages":"489-493"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11737569/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143019521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"NIRADS-based case assessment of post-treatment head and neck cancer and its clinical correlation: A validation study.","authors":"Aseem Mishra, Vertika Tewari, Shreya Shukla, Satyendra Narayan Singh, Varun Shukla, Sunayana Sarkar, Suddhasheel Roy, Sambit Swarup Nanda, Ravi Shankar, Komal Lamba, Abhishek Das, Akhil Kapoor, Ipsita Dhal","doi":"10.4103/njms.njms_57_24","DOIUrl":"10.4103/njms.njms_57_24","url":null,"abstract":"<p><strong>Introduction: </strong>The neck imaging reporting and data system (NIRADS) lexicon is aimed at surveillance of head and neck cancer during post-treatment follow-up using either a CECT or PET-CT scan. These recommendations standardize management, reduce interobserver variability, and standardizes scientific communication.</p><p><strong>Objectives: </strong>The primary aim of this study was to validate the correlation between the NI-RADS category and disease status on clinical follow-up and histopathological analysis. The other objective was to assess the status of primary as well as nodal site at least 8 to 12 weeks after definitive treatment on first post-treatment imaging as per NI-RADS.</p><p><strong>Materials and methods: </strong>We did a retrospective review of maintained a database of patients treated with curative intent radiotherapy or chemoradiotherapy. The diagnostic accuracy of NIRADS was compared with the clinical follow-up and histopathological findings. Data was recorded using the NIRADS lexicon and analyzed using SPSS 25.</p><p><strong>Result: </strong>In our study, 37 cases were followed with CECT, whereas 111 were followed with PET-CT. We observed no significant difference between CECT and PET-CT for predicting recurrence in any of the NIRADS category. Sensitivity, specificity, positive predictive value, negative predictive value, and diagnostic accuracy of NIRADS to predict recurrence for the primary site is 61.54%, 75.21%, 34.8%, 90.1%, and 72.79%, respectively, whereas for the neck, it is 69.54%, 75.41%, 37.5%, 92%, and 74.32%.</p><p><strong>Conclusion: </strong>NIRADS score is strongly associated with positive disease in as Neck as well as primary. Increased use of NIRADS will lead to a uniform reporting system and improved patient outcome.</p>","PeriodicalId":101444,"journal":{"name":"National journal of maxillofacial surgery","volume":"15 3","pages":"392-396"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11737554/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143019529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Serous otitis media as a cause for language delay following cleft palate repair-A case-control study.","authors":"Anjali George","doi":"10.4103/njms.njms_187_23","DOIUrl":"10.4103/njms.njms_187_23","url":null,"abstract":"<p><strong>Background and objectives: </strong>Serous otitis media (SOM), also called otitis media with effusion (OME) or glue ear, is a collection of non-purulent fluid within the middle ear space. Children with cleft palate are more prone to develop this condition. This is caused by impaired eustachian tube function in cleft palate. They may present with hearing loss, delayed speech, and language development or poor social behavior. This is a significant cause of conductive hearing loss in the early speech-forming years of their life. Even after an early surgical repair of palate, speech and language defects are frequently identified during regular postoperative follow-up by speech-language pathologists. When identified, the approach to language delay varies across healthcare systems and includes watchful waiting, providing hearing aids to early otological intervention. The primary objective was to compare the incidence of SOM in children with and without language delay following surgical correction of cleft palate.</p><p><strong>Materials and methods: </strong>A case-control study involving 63 patients was conducted in a tertiary care hospital with a high-volume cleft lip and palate center from June 2022 to March 2023. Thirty children with language delay were identified and grouped as cases and 33 children without language delay as controls. Tympanogram was conducted after the detailed otoscopic examination. Those with Jerger types B and C were diagnosed with SOM. The incidence of SOM in each group was compared statistically.</p><p><strong>Results: </strong>About 70% of cases and 87.9% of controls had SOM. There is no positive correlation between the incidence of SOM and language delay (<i>P</i>-value > 0.05).</p><p><strong>Conclusion: </strong>SOM cannot be identified as a causal factor for language delay after cleft palate surgery.</p>","PeriodicalId":101444,"journal":{"name":"National journal of maxillofacial surgery","volume":"15 3","pages":"428-432"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11737570/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143019604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative evaluation of submerged versus nonsubmerged dental implants - A prospective, clinico-radiographic, split-mouth study.","authors":"Punya Taneja, Gaurav Singh, Madan Mishra, Shubhamoy Mondal","doi":"10.4103/njms.njms_71_23","DOIUrl":"10.4103/njms.njms_71_23","url":null,"abstract":"<p><strong>Background: </strong>To minimize the risk of impaired osseointegration historically, it has been recommended to insert the implant into the bone (submerged implants) and to allow for submerged healing of 3-6 months in the lower and upper jaw, this conventional technique is advocated. The concept of nonsubmerged healing was introduced in 1988 in which gingival former was placed at the time of implant placement instead of cover screw. The treatment concept of nonsubmerged implant placement enables early implant loading, one surgical procedure only, and a reduced treatment period for the patients.</p><p><strong>Aim: </strong>The aim of this study was to compare clinical and radiographic outcomes of submerged and nonsubmerged implants.</p><p><strong>Materials and method: </strong>A prospective split-mouth study of a minimum of 20 bilateral edentulous patients (total of 40 sites) was selected and randomly distributed in two groups: submerged and nonsubmerged implants. Patients were evaluated clinically and radiographically by assessing the patients on clinical parameters which included peri-implant probing depth, mucosal thickness, and width of keratinizing gingiva. Radiographic parameters were crestal bone height-distance between implant shoulder and alveolar crest compared from the bone level, on intraoral periapical.</p><p><strong>Results: </strong>Our results revealed that the marginal bone loss is statistically significant and has higher values in nonsubmerged implant protocol. All the other clinical parameters were statistically insignificant.</p><p><strong>Conclusion: </strong>The nonsubmerged implants have reduced the chairside time of the patient, but have a comparatively higher crestal bone loss. Our study concludes that whether it is submerged or nonsubmerged implant placement protocol, under an appropriate oral environment, proper implant selection and methodology both the treatment modalities provide an overall similar success rate.</p>","PeriodicalId":101444,"journal":{"name":"National journal of maxillofacial surgery","volume":"15 3","pages":"439-447"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11737563/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143019802","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of submucosal administration of dexamethasone on postoperative discomfort after third molar surgery.","authors":"Divashree Sharma, Geeta Mishra Tripathi, Rajnarayan Tiwari, Ambrish Mishra","doi":"10.4103/njms.njms_4_23","DOIUrl":"10.4103/njms.njms_4_23","url":null,"abstract":"<p><strong>Aim: </strong>To compare the impact of submucosal dexamethasone (4 mg) administered after the onset of local anesthesia on postoperative discomfort after third molar surgery and compare the parameters with a control group that did not receive the drug.</p><p><strong>Methods: </strong>A total of 60 patients indicated for surgical removal of impacted mandibular third molars (mesioangular, Class II or III, and position B or C) were randomly divided into two groups of 30 patients each. After the onset of local anesthesia, the first group (Group A) received a submucosal injection of 4 mg dexamethasone adjacent to the surgical site, and the control group (Group B) received no drug. Pain, swelling, and trismus were recorded at follow-up visits on the 1^st, 2^nd, and 7^th postoperative days. Assessment of postoperative discomfort was performed by evaluating responses through a modified postoperative symptom severity scale questionnaire, which was administered to the patients on the 7^th postoperative day.</p><p><strong>Results: </strong>The difference in subjective pain values and the mean number of analgesics consumed was not significant between the groups. The difference in postoperative swelling was statistically significant on the 1^st, 2^nd (<i>P</i> < 0.0001), and 7^th postoperative days (<i>P</i> = 0.0152). The difference in postoperative trismus was highly significant on 1^st and 2^nd postoperative days (<i>P</i> < 0.0001). The difference in the mean total quality of life (QOL) score, Eating, Appearance, Daily activity subscale (<i>P</i> < 0.0001), and Social Isolation subscale (<i>P</i> = 0.0002) was statistically significant between both groups.</p><p><strong>Conclusion: </strong>It was found that the administration of submucosal dexamethasone resulted in significantly lesser postoperative swelling and trismus and better QOL outcomes.</p>","PeriodicalId":101444,"journal":{"name":"National journal of maxillofacial surgery","volume":"15 2","pages":"288-294"},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11371291/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142135063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Patterns and characteristics of maxillofacial trauma among children and adolescents: A Bi-institutional retrospective study.","authors":"Rahul Koul, Sanjeev Datana, Indranildeb Roy, Vivek Saxena","doi":"10.4103/njms.njms_178_22","DOIUrl":"10.4103/njms.njms_178_22","url":null,"abstract":"<p><strong>Introduction: </strong>Maxillofacial injuries in children and adolescents always present a challenge due to the peculiar facial anatomy in children. This study aimed to determine the characteristics and pattern of traumatic maxillofacial injuries in children and adolescents reported to outpatient departments of two tertiary care health centers.</p><p><strong>Materials and methods: </strong>Present study had a retrospective design, and the hospital records of all children and adolescent patients aged between 0 and 18 years, who had undergone maxillofacial fractures and were admitted for the same to two tertiary care health centers between January 2012 and May 2022 were reviewed.</p><p><strong>Results: </strong>77 patients suffered maxillofacial trauma with 115 fractures. The leading cause of maxillofacial trauma in the study was found to be road traffic accidents (RTA) followed by falls and sports-related injuries. Maxillofacial trauma was observed more in boys than girls, with an M: F ratio of 3.8:1. Out of 77 patients in the present study, more than half (51.9%) suffered maxillofacial trauma involving the lower one-third of the face, followed by the middle third (45.5%) and upper third (2.6%). A total of 11 patients (14.2%) were treated within 24 hr of sustaining injury. The majority of the patients, (n = 68; 88.3%) underwent open reduction and rigid internal fixation (ORIF), while 9 patients (11.7%) underwent closed reduction.</p><p><strong>Conclusions: </strong>Pediatric maxillofacial trauma was mainly attributed to road traffic accidents. Lower one-third of faces were more commonly affected and an increasing trend of maxillofacial trauma was observed with age.</p>","PeriodicalId":101444,"journal":{"name":"National journal of maxillofacial surgery","volume":"15 2","pages":"246-251"},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11371299/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142134987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The surgical outcome of sutureless skin closures using Octyl-2-cyanoacrylate (Dermabond™) versus Steri-Strip™.","authors":"Neha Sah, Rohit Punga, Ajay Kumar, Peeyush Shivhare, Akhilesh Kumar Singh, Sonam Sah, Amlendu Shekhar","doi":"10.4103/njms.njms_102_22","DOIUrl":"10.4103/njms.njms_102_22","url":null,"abstract":"<p><strong>Introduction: </strong>Cosmesis is the primary concern for the patient undergoing facial surgery and there are numbers of well proven materials that are available such as adhesive tapes, subcuticular suture, skin adhesive or glue to achieve better cosmesis. The objective of our study was to assess the surgical outcome of sutureless skin closures using Octyl-2-cyanoacrylate (Dermabond™) versus Steri-Strip™.</p><p><strong>Method: </strong>The present prospective study was conducted in 20 patients. Patients were divided into two groups. After subcutaneous closure of wounds, either Dermabond™ or Steri-Strip™ was placed. The patients were assessed for wound complication (erythema, tenderness, dehiscence or any discharge), scar hypertrophy and cosmetic appearance also time consumed in surgical skin closure was evaluated. Wound assessment, scar hypertrophy and cosmetic appearance were assessed by using Chi-square test. Time closure was assessed by using Mann-whitney U test.</p><p><strong>Result: </strong>Twenty patients belonging to all age group were included in study. Ten patients undergone closure with Dermabond™ and ten with Steri-Strips™. Assessment of wound complications, cosmetic appearance and scar hypertrophy was done. There was no significant difference found between both the groups, but 2 patients had fair cosmetic outcomes at one month and 1 patient had fair scar hypertrophy at 6 month. However, excellent cosmetic outcome in terms of scar hypertrophy at 6 month was significantly more among group II.</p><p><strong>Conclusion: </strong>Octyl-2-cyanoacrylate (Dermabond™) and Steri-Strip™ provide similar outcomes in terms of wound complications. Cosmetic outcomes in terms of scar hypertrophy with steri-strip wound closure seem to be better and more economical.</p>","PeriodicalId":101444,"journal":{"name":"National journal of maxillofacial surgery","volume":"15 2","pages":"307-312"},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11371292/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142134991","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}