R. Sarabia Ochoa , J.P. García de la Torre , A. Amezcua Recover
{"title":"Fibrosarcoma primario de ovario. Reporte de una neoplasia inusual","authors":"R. Sarabia Ochoa , J.P. García de la Torre , A. Amezcua Recover","doi":"10.1016/j.gine.2023.100891","DOIUrl":"https://doi.org/10.1016/j.gine.2023.100891","url":null,"abstract":"<div><h3>Introduction</h3><p>Ovarian fibrosarcoma is an extremely rare malignant ovarian stromal tumor, with few cases reported in the literature.</p></div><div><h3>Main symptoms and/or clinical findings</h3><p>A 56-year-old posmenopausal woman with scant vaginal bleeding of several days’ duration and pain in the right iliac fossa without fever or digestive symptoms. The gynecological examination was normal.</p></div><div><h3>Main diagnoses, therapeutic interventions and results</h3><p>Transvaginal ultrasound showed a homogeneous endometrium, a 2.4<!--> <!-->×<!--> <!-->1<!--> <!-->cm myoma, and a heterogeneous solid-cystic lesion with thick septa measuring 6.4<!--> <!-->×<!--> <!-->6.8<!--> <!-->cm in the left ovary. An intraoperative histological study was performed, which was reported as: solid neoplasm suspicious of malignancy. Hysterectomy plus double adnexectomy, omentectomy, and lymphadenectomy were performed. Histologically, the neoplasm was made up of spindle cells arranged in sheets and intertwined fascicles with a diffuse spike-like appearance, with moderate nuclear atypia, areas of necrosis and hemorrhage foci; 12 mitoses were identified for every 10 high-power fields. Immunohistochemically the cells were positive for inhibin, actin 1A4, vimentin, calretinin, CD56 and CD99. The proliferative rate with Ki-67 was 25%. The definitive diagnosis was: primary ovarian fibrosarcoma. One year later, the patient is free of the disease without any adjuvant treatment and continues to be followed up.</p></div><div><h3>Conclusion</h3><p>Ovarian fibrosarcoma is an exceptional malignancy with a poor prognosis. Currently, the treatments and prognostic factors for ovarian fibrosarcoma are still the subject of debate. This case highlights the important role of the intraoperative study and immunohistochemistry for its correct diagnosis.</p></div>","PeriodicalId":41294,"journal":{"name":"Clinica e Investigacion en Ginecologia y Obstetricia","volume":"50 4","pages":"Article 100891"},"PeriodicalIF":0.1,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49823598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Síndrome de ovario remanente. Revisión bibliográfica. Evidencia actual","authors":"M. Arnáez de la Cruz, J. Gallardo Martínez","doi":"10.1016/j.gine.2023.100902","DOIUrl":"https://doi.org/10.1016/j.gine.2023.100902","url":null,"abstract":"<div><p>Remnant ovarian syndrome is the persistence of ovarian cortex after a deficient resection, mainly after oophorectomy. It is a misdiagnosed condition that significantly affects patients. It is typical from endometriosis, pelvic inflammatory disease or previous multiple surgeries. Our objectives are to review the current evidence to determine clinic features, differential diagnosis, treatment and preventive strategies. For this, we have carried out a bibliographic literature search through the PubMed, Medline, Embase, BioMed Central and SciELO databases.We conclude that this pathology should be included in the differential diagnosis in patients with chronic pelvic pain who have undergone oophorectomy. Its treatment is surgical, being the laparoscopic approach the gold standard. It allows a better anatomic exposure, with lower blood loss, complication rate and hospital stay. Isolating the infundibulopelvic ligament in the retroperitoneal space during the oophorectomy is the main strategy to prevent this complication.</p></div>","PeriodicalId":41294,"journal":{"name":"Clinica e Investigacion en Ginecologia y Obstetricia","volume":"50 4","pages":"Article 100902"},"PeriodicalIF":0.1,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49823599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Castillo Lara, L. De Pablo Zamora, E. Pozuelo Solis
{"title":"Herlyn–Werner–Wünderlich syndrome: A case series","authors":"M. Castillo Lara, L. De Pablo Zamora, E. Pozuelo Solis","doi":"10.1016/j.gine.2023.100912","DOIUrl":"https://doi.org/10.1016/j.gine.2023.100912","url":null,"abstract":"<div><h3>Introduction</h3><p>Herlyn–Werner–Wünderlich syndrome is a uterine malformation characterized by uterus didelphys, obstructed hemivagina and ipsilateral renal agenesis.</p></div><div><h3>Clinical findings</h3><p>The manifestation of the disease is widely diverse; it is usually diagnosed after menarche, with dysmenorrhea and abnormal uterine bleeding; it is also associated with infertility.</p></div><div><h3>Main diagnosis</h3><p>Four clinical cases, their diagnosis are reported here.</p></div><div><h3>Therapeutic interventions and results</h3><p>The treatment and results of these four patients are described here.</p></div><div><h3>Conclusion</h3><p>When studying uterine malformation it is important to consider this rare disease to avoid possible complications and giving the patient a correct diagnose and treatment. The hysteroscopy resection of the longitudinal vaginal septum in those symptomatic patients with hematocolpos should be considered as a good option for treatment.</p></div>","PeriodicalId":41294,"journal":{"name":"Clinica e Investigacion en Ginecologia y Obstetricia","volume":"51 1","pages":"Article 100912"},"PeriodicalIF":0.1,"publicationDate":"2023-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49851026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jesús Javier Aguaviva Bascuñana , Nerea Olivares Sánchez
{"title":"Intervenciones dietéticas en el tratamiento del síndrome del ovario poliquístico. Una revisión bibliográfica","authors":"Jesús Javier Aguaviva Bascuñana , Nerea Olivares Sánchez","doi":"10.1016/j.gine.2023.100911","DOIUrl":"https://doi.org/10.1016/j.gine.2023.100911","url":null,"abstract":"<div><p>Polycystic ovary syndrome (PCOS) is a female endocrinopathy recognized as a heterogeneous disorder characterized by hyperandrogenism and ovulatory dysfunction that leads to fertility problems. In addition, patients usually present with associated symptoms such as insulin resistance, glucose intolerance, central obesity and/or metabolic syndrome that can induce an increased risk of cardiovascular disease. Since one of the main goals of PCOS is to reduce the metabolic consequences related to obesity, insulin resistance, and the metabolic syndrome, targeted dietary interventions may be effective in treating PCOS.</p><p>A bibliographic search has been carried out in different databases such as Web of Science, Pubmed and Google Scholar, establishing previously defined search criteria. Eleven have been chosen for full review and critical analysis. Among the different interventions that have been used, dietary strategies have been followed such as the dietary approaches to stop hypertension (DASH), modifications in carbohydrates, the inclusion of a certain food in the usual dietary pattern and/or lifestyle modifications. Of the results obtained, we highlight the improvements in body markers with a DASH diet, the benefits promoted by diets with modifications in carbohydrates, in insulin resistance and hormonal markers and favorable effects on clinical manifestations related to hyperandrogenism, fostered by soy consumption and lifestyle modifications.</p></div>","PeriodicalId":41294,"journal":{"name":"Clinica e Investigacion en Ginecologia y Obstetricia","volume":"51 1","pages":"Article 100911"},"PeriodicalIF":0.1,"publicationDate":"2023-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49888474","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
N. Elsner Hernández , J.F. De Luis Escudero , L.I. Pérez Méndez , D.R. Báez Quintana , E. Bruno Santana , J.A. Pérez Álvarez , N.R. Sierra Medina , C. Chulilla Pérez , A. Quesada López-Fe
{"title":"Evaluation of the incorporation of an IOTA-ADNEX model in the discrimination of adnexal masses in our third-level hospital centre, taking into account the menopausal status of patients. Five years of experience","authors":"N. Elsner Hernández , J.F. De Luis Escudero , L.I. Pérez Méndez , D.R. Báez Quintana , E. Bruno Santana , J.A. Pérez Álvarez , N.R. Sierra Medina , C. Chulilla Pérez , A. Quesada López-Fe","doi":"10.1016/j.gine.2023.100910","DOIUrl":"https://doi.org/10.1016/j.gine.2023.100910","url":null,"abstract":"<div><h3>Objective</h3><p>The objectives were to estimate the performance of the IOTA-ADNEX model test after its incorporation into the ultrasound tests of our third-grade hospital gynecology service, as well as to assess whether its capacity of accuracy is modified when taking into account the patient's menopausal status.</p></div><div><h3>Methods</h3><p>A cross-sectional study was conducted to clinically evaluate the diagnostic performance of the IOTA-ADNEX model test, which was performed between January 2016 and December 2021. The study included 573 women with an adnexal injury who underwent surgical excision within 180 days after ultrasound diagnosis and histological confirmation (gold standard). After the ultrasound exam, the injuries were classified using the ADNEX model. The study estimated the area under the receiver-operating-characteristics curve (AUC) of the ADNEX model for classifying between benign and malignant adnexal masses and compared the performance by menopausal state. Sensitivity and specificity were determined for different cut-off points.</p></div><div><h3>Results</h3><p>Out of the 573 women, 183 (31.9%) had a malignant tumor. The AUC of the ADNEX model for differentiating between benign and malignant adnexal masses at the time of ultrasound examination was 0.92 and the best malignancy threshold, detected by Youden index, was 22.5%. At this cut-off, the sensitivity of the ADNEX model was 91.8% and the specificity was 76.4%. However, it varies according to menopausal status: in the group of pre-menopausal patient, sensitivity was 86.1% (95% CI, 85.4%–86.8%) and specificity was 81.3% (95% CI, 85.4%–86.8%). In the postmenopausal group, sensitivity was 96.1% (95% CI, 95.6%–96.7%) and specificity was 68.5% (95% CI, 68.1%–68.8%).</p></div><div><h3>Conclusions</h3><p>The IOTA-ADNEX model is a reliable diagnostic tool to discard ovarian cancer. However, the accuracy of the test, at the same cut-off point, varies according to the menopausal state of the patient so it may be important to take it into account when taking decisions in clinical practice.</p></div>","PeriodicalId":41294,"journal":{"name":"Clinica e Investigacion en Ginecologia y Obstetricia","volume":"51 1","pages":"Article 100910"},"PeriodicalIF":0.1,"publicationDate":"2023-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49851022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. del Mar Rubio Arroyo , M. Crespo Criado , J.A. Del Pozo Jiménez
{"title":"Filtro de vena cava inferior ante diagnóstico de trombosis venosa profunda en gestante en trabajo de parto. A propósito de un caso clínico","authors":"M. del Mar Rubio Arroyo , M. Crespo Criado , J.A. Del Pozo Jiménez","doi":"10.1016/j.gine.2023.100909","DOIUrl":"https://doi.org/10.1016/j.gine.2023.100909","url":null,"abstract":"<div><h3>Introduction</h3><p>Pregnancy represents a procoagulant state that increases women's risk of thrombotic phenomena. As in the non-pregnant population, we must diagnose and treat these events as early as possible to avoid the migration of the thrombus to other locations. Anticoagulation is the first-line therapeutic measure. However, certain situations of increased bleeding such as labor may be a contraindication to initiate such anticoagulation. The following article develops a clinical case in which the deep vein thrombosis diagnosis occurred at the onset of labor.</p></div><div><h3>Main symptoms and/or clinical findings</h3><p>Increase in diameter of the left lower limb, with redness of the same and increase in local temperature. The patient described pain at the level of this limb for 15 days. He had no dyspnea and oxygen saturation was 100%.</p></div><div><h3>Main diagnoses</h3><p>Deep vein thrombosis, labor.</p></div><div><h3>Therapeutic interventions</h3><p>The contraindication of anticoagulation and the need for immediate treatment raised the inferior vena cava filter as the most reasonable option.</p></div><div><h3>Results</h3><p>After the placement of the filter, the delivery proceeded without incident. The plunger did not migrate and the filter was removed 29 days after delivery without complications.</p></div><div><h3>Conclusion</h3><p>Despite our limited clinical experience in the management of these cases, we can affirm that the inferior vena cava filter represents a reasonable and safe option in cases of thrombosis of the lower limbs in women in labor.</p></div>","PeriodicalId":41294,"journal":{"name":"Clinica e Investigacion en Ginecologia y Obstetricia","volume":"51 1","pages":"Article 100909"},"PeriodicalIF":0.1,"publicationDate":"2023-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49851023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ü. Veranyurt , B. Akalin , O. Veranyurt , I. Şanverdi
{"title":"Cost and regression analysis of preeclampsia from the perspective of the reimbursement agency","authors":"Ü. Veranyurt , B. Akalin , O. Veranyurt , I. Şanverdi","doi":"10.1016/j.gine.2023.100858","DOIUrl":"https://doi.org/10.1016/j.gine.2023.100858","url":null,"abstract":"<div><h3>Objective</h3><p>The aim of this study is to determine the financial burden of preeclampsia (PE) from a single institution's perspective and then determine the cost of the illness from the reimbursement institution perspective and finally draw a regression model that predicts the annual cost of a patient.</p></div><div><h3>Materials and methods</h3><p>The research is a descriptive and cross-sectional type of research and a retrospective cost analysis. Patients diagnosed with PE in 2021 were included in the study. For the regression analysis of the study, a dataset with 29 parameters belonging to 65 patients was created. Regression models were built on top of it.</p></div><div><h3>Results</h3><p>In our study, per-patient expenses of PE patients from the perspective of the reimbursement institution were calculated and presented as average costs; severe PE patient with cesarean section 7598.5 Ł ($769.8), severe PE patient with normal vaginal delivery 8487.48 Ł (1050.43 $), mild PE patient with cesarean section 5331.67 Ł ($659.86) and mild PE patient with normal vaginal delivery was calculated as 6220.65 Ł (769.88 $). In the study, different regression formulas were created for the two groups of PE. The created regression model had an <em>R</em><sup>2</sup> score of 91.85%.</p></div><div><h3>Conclusion</h3><p>The actors involved in the management of the disease should determine the cost-effectiveness of the disease by using the financial data of the patients and choose the right approach. Health costs in Turkey differ from the parameters in the European Union economy. Therefore, there are lower health costs. The financial findings of the disease are a guide for health policy makers, health managers and researchers.</p></div>","PeriodicalId":41294,"journal":{"name":"Clinica e Investigacion en Ginecologia y Obstetricia","volume":"50 3","pages":"Article 100858"},"PeriodicalIF":0.1,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49832926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Anne-Sophie Gresle , M. Ángeles Martínez-Zamora , Eva Flo , Joan Escarrabill , Francisco Carmona , en nombre del grupo ENDOMWAY
{"title":"Reconociendo la necesidad de abordar las causas subyacentes de la regla incapacitante: una crítica constructiva a la nueva ley de derechos sexuales y reproductivos en España","authors":"Anne-Sophie Gresle , M. Ángeles Martínez-Zamora , Eva Flo , Joan Escarrabill , Francisco Carmona , en nombre del grupo ENDOMWAY","doi":"10.1016/j.gine.2023.100905","DOIUrl":"https://doi.org/10.1016/j.gine.2023.100905","url":null,"abstract":"","PeriodicalId":41294,"journal":{"name":"Clinica e Investigacion en Ginecologia y Obstetricia","volume":"50 3","pages":"Article 100905"},"PeriodicalIF":0.1,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49832995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Arab , N. Poorzad , G. Noghabaei , B. Ghavami , B. Nouri , T. Jahed Bozorgan
{"title":"A survey of female sexual dysfunction in gynaecological cancer survivors: A case–control study","authors":"M. Arab , N. Poorzad , G. Noghabaei , B. Ghavami , B. Nouri , T. Jahed Bozorgan","doi":"10.1016/j.gine.2022.100826","DOIUrl":"https://doi.org/10.1016/j.gine.2022.100826","url":null,"abstract":"<div><h3>Background</h3><p>With diagnostic and treatment advancements in cancer management, the need for improvement of survivors’ quality of life has been increasing. One of the issues affecting the quality of life in gynecologic cancer survivors is a decline in their sexual function, which is affected in many ways. In order to assess sexual dysfunction in gynecologic cancer survivors.</p></div><div><h3>Objective</h3><p>This study is designed to assess different areas of sexual function including desire, arousal, vaginal lubrication, orgasm, satisfaction, and pain.</p></div><div><h3>Materials and methods</h3><p>Patients who had completed treatment since 6 months to 6 years ago included in the case–control study starting from January 2019 to January 2020. Twenty-nine sexually active gynecologic cancer survivors with sexual dysfunction were enrolled as cases and 91 sexually active ones without sexual problems were assigned to the control group. The Female Sexual Function Index (FSFI) questionnaire consisting of 19-items and six areas was completed for each participant.</p></div><div><h3>Results</h3><p>Average sexual dysfunction score of the case group was 16.78 with cut-off point of 28 for dysfunction. The most common domain of sexual dysfunction was pain (96.55%), followed by sexual arousal (86.21%), vaginal lubrication (72.41%), orgasm (72.41%), satisfaction (65.52%) and sexual desire (55.17%).</p></div><div><h3>Conclusion</h3><p>In gynecologic cancer survivors, sexual dysfunction was directly related to employment, brachytherapy and co-existing DM and inversely related to the time elapsed since cancer diagnosis and menopause. Asking about sexual problems and referral to a specialist should be included in the patient treatment process.</p></div>","PeriodicalId":41294,"journal":{"name":"Clinica e Investigacion en Ginecologia y Obstetricia","volume":"50 3","pages":"Article 100826"},"PeriodicalIF":0.1,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49832925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Sclerosing stromal tumor of the ovary: Two case reports and literature review","authors":"S. Tameish","doi":"10.1016/j.gine.2023.100881","DOIUrl":"https://doi.org/10.1016/j.gine.2023.100881","url":null,"abstract":"<div><h3>Introduction</h3><p>Sclerosing stromal tumors (SSTs) are rare benign ovarian tumors. They represent 6% of sex cord stromal tumors. Its preoperative diagnosis is often a challenge due to its similarity to malignant tumors on ultrasound imaging. We present two cases of SSTs to emphasize the consideration of this type of tumors in the differential diagnosis of solid adnexal masses in young women. A review of the literature on the typical ultrasound features, clinical presentation, and management of SSTs was performed.</p></div><div><h3>Main symptoms and/or clinical findings</h3><p>Pelvic pain was the main symptom in both cases. In the first case, transvaginal ultrasound revealed an unilocular solid adnexal mass of 59<!--> <!-->mm<!--> <!-->×<!--> <!-->44<!--> <!-->mm<!--> <!-->×<!--> <!-->45<!--> <!-->mm with cystic areas and marked peripheral and central vascularization. MRI (magnetic resonance imaging) revealed a 50<!--> <!-->mm<!--> <!-->×<!--> <!-->50<!--> <!-->mm heterogeneous adnexal mass with a solid peripheral component and a cystic-necrotic center. In the second case, pelvic ultrasound showed a solid cystic adnexal mass of 103<!--> <!-->mm<!--> <!-->×<!--> <!-->77<!--> <!-->mm with marked peripheral vascularity.</p></div><div><h3>Main diagnoses</h3><p>Postoperative anatomopathological diagnosis in both cases was an ovarian SST.</p></div><div><h3>Therapeutic interventions and results</h3><p>Unilateral laparoscopic salpingo-oophorectomy and oophorectomy, respectively, was performed without incidents. There has been no recurrence during follow-up.</p></div><div><h3>Conclusion</h3><p>It is important to consider SSTs in the differential diagnosis of young women with a unilateral solid-cystic adnexal mass with a high degree of peripheral and central vascularization. Laparoscopic approach together with fertility-sparing techniques should be considered the treatment of choice.</p></div>","PeriodicalId":41294,"journal":{"name":"Clinica e Investigacion en Ginecologia y Obstetricia","volume":"50 3","pages":"Article 100881"},"PeriodicalIF":0.1,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49832928","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}