Case Reports in Obstetrics and Gynecology最新文献

{"title":"Locked Twins in a Primigravida: A Rare Obstetric Emergency Successfully Managed by Cesarean Section-A Case Report.","authors":"Getahun Wodalo, Amanuel Admasu Yayna, Amdetsiyon Yemane, Adane Ayza, Ashebir Tesfaye, Bereket Worana, Belachew Shote, Biranu Mamo, Elsabeth Samuel, Getu Kassaye, Wokil Wolde Dana","doi":"10.1155/crog/2974129","DOIUrl":"10.1155/crog/2974129","url":null,"abstract":"<p><strong>Background and aims: </strong>Locked twins are a rare and life-threatening obstetric complication, occurring in approximately 1 in 1000 twin pregnancies, most commonly during labor when the first twin presents as breech and the second as cephalic. This condition poses significant risks to both the mother and fetuses if not promptly recognized and managed. We report a rare case of chin-to-neck locked twins and highlight the importance of early diagnosis and meticulous intraoperative management.</p><p><strong>Methods: </strong>A 20-year-old primigravida at 9 months of amenorrhea presented with pushing down pain for 12 h and ruptured membranes for 4 h. Clinical examination revealed a twin pregnancy with the first twin in breech presentation and a fetal heart rate of 98-100 beats per minute, while the second twin was in cephalic presentation with a fetal heart rate of 136-138 beats per minute. An emergency cesarean section was performed. Intraoperatively, a chin-to-neck interlocking of the twins was identified. Both twins were successfully delivered through the lower segment transverse uterine incision and careful intraoperative disimpaction without intraoperative complications.</p><p><strong>Results: </strong>The first twin was a male weighing 1600 g with Apgar scores of 5 and 7 at 1 and 5 min, respectively, and died 1 h postpartum due to respiratory failure related to prematurity and with a possible contribution from intrapartum hypoxia associated with interlocking of the twins. The second twin was a female weighing 1800 g with Apgar scores of 7 and 9, who required brief neonatal intensive care for respiratory distress syndrome and subsequently recovered well. The mother had an uneventful postoperative course.</p><p><strong>Conclusion: </strong>This case underscores the critical importance of early recognition of locked twins, timely surgical intervention, and careful intraoperative techniques to minimize maternal and fetal morbidity and mortality. Vigilant antenatal surveillance and preparedness in high-risk twin pregnancies are essential to prevent catastrophic outcomes associated with this rare obstetric emergency.</p>","PeriodicalId":9610,"journal":{"name":"Case Reports in Obstetrics and Gynecology","volume":"2026 ","pages":"2974129"},"PeriodicalIF":0.8,"publicationDate":"2026-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13107114/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147763473","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":"Varicella-Zoster Virus Reactivation Presenting as Cranial Neuritis Without Rash in Late Pregnancy: A Case Report.","authors":"Renata Košir Pogačnik, Ana Kofol, Tatjana Mrvič, Maja Dolanc Merc","doi":"10.1155/crog/5236883","DOIUrl":"10.1155/crog/5236883","url":null,"abstract":"<p><strong>Introduction: </strong>Neurological complications of reactivated varicella-zoster virus (VZV) are uncommon in immunocompetent individuals and are rarely reported during pregnancy. VZV reactivation may cause cranial neuritis, including Ramsay Hunt syndrome, or may present without cutaneous lesions as zoster sine herpete, complicating diagnosis.</p><p><strong>Case presentation: </strong>We report the case of a 26-year-old primigravida at 37 weeks of gestation who presented with paresthesia of the left side of the tongue, dizziness, and subsequent left-sided facial nerve palsy. Brain magnetic resonance imaging showed no abnormalities. Audiometry demonstrated mild high-frequency hearing loss on the left side. Cerebrospinal fluid analysis revealed lymphocytic pleocytosis, and polymerase chain reaction detected VZV DNA. The patient received intravenous acyclovir (10 mg/kg every 8 h for 10 days). No vesicular rash developed during the clinical course. The clinical presentation was consistent with VZV-associated cranial neuritis involving Cranial Nerves VII and VIII within the spectrum of zoster sine herpete. Intravenous acyclovir therapy was administered for 10 days, and corticosteroids were discontinued after virological confirmation. Delivery was performed by planned cesarean section due to breech presentation, and the newborn was healthy with no signs of neonatal varicella infection. At hospital discharge, the mother had persistent House-Brackmann grade V facial paralysis. One month after symptom onset, the facial paresis had completely resolved.</p><p><strong>Conclusion: </strong>VZV reactivation in pregnancy may present as isolated cranial neuritis without rash. Cerebrospinal fluid PCR is essential for diagnosis in atypical cases. Early antiviral treatment is associated with favorable maternal and fetal outcomes. Only a few cases of VZV meningitis or encephalitis in pregnant patients have been reported in the literature. Although immunodeficiencies are usually associated with these clinical manifestations, pregnancy is a condition in which various changes occur in the woman's immune system. This case highlights that VZV reactivation may present as cranial neuropathy without rash during pregnancy. Detection of VZV DNA in cerebrospinal fluid is essential for diagnosis in atypical presentations. Early recognition and antiviral therapy are important for maternal neurological outcomes and are safe for the fetus.</p>","PeriodicalId":9610,"journal":{"name":"Case Reports in Obstetrics and Gynecology","volume":"2026 ","pages":"5236883"},"PeriodicalIF":0.8,"publicationDate":"2026-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13107540/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147763542","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":"Isolated Fallopian Tube Torsion Concomitant With an Adenomatoid Tumor Arising From the Fallopian Tube: A Case Report.","authors":"Fumitaka Mukouyama, Hiroshi Ishikawa, Aki Kinoshita, Mariko Inoue, Yoshinori Itsuka, Yohei Hosokawa, Kenichi Harigaya, Jun-Ichiro Ikeda, Kaori Koga","doi":"10.1155/crog/7233415","DOIUrl":"10.1155/crog/7233415","url":null,"abstract":"<p><p>Isolated fallopian tube torsion (IFTT) is a rare condition in which the fallopian tube undergoes torsion without ovary involvement. The causes of IFTT vary widely, ranging from intrinsic abnormalities of the fallopian tube itself to extrinsic factors affecting the peritubal environment. Here, we report a case of IFTT concomitant with an adenomatoid tumor arising from the fallopian tube. A 49-year-old triparous patient presented with sudden-onset lower abdominal pain. Imaging findings revealed a 3-cm solid mass in the subserosal area of the left fallopian tube, and laparoscopy confirmed IFTT involving a dark red and solid mass. Histologically, an adenomatoid tumor was identified in the twisted fallopian tube. Adenomatoid tumors of the fallopian tube are typically small, asymptomatic, and identified incidentally during gynecologic surgeries or imaging; therefore, this tumor is an extremely rare cause of IFTT. Adenomatoid tumors in the fallopian tube, even those as small as 3 cm, can result in torsion.</p>","PeriodicalId":9610,"journal":{"name":"Case Reports in Obstetrics and Gynecology","volume":"2026 ","pages":"7233415"},"PeriodicalIF":0.8,"publicationDate":"2026-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13106944/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147763464","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":"Case Report on Spontaneous Uterine Rupture in the Early Second Trimester: A Rare but Life-Threatening Event.","authors":"Minh Tam Le, Ngoc Anh Thi Vo, Duy Trong Tran, Thanh Huyen Thi Ho, Vu Quoc Huy Nguyen","doi":"10.1155/crog/9949364","DOIUrl":"10.1155/crog/9949364","url":null,"abstract":"<p><p>Spontaneous uterine rupture during the first half of pregnancy is extremely uncommon and presents significant diagnostic and therapeutic challenges. This case report details a 27-year-old gravida 3 para 1 woman at 14 weeks of gestation who experienced acute abdominal pain and hypovolemic shock. Despite the absence of previous uterine surgery, imaging revealed a significant hemoperitoneum, and subsequent emergency laparoscopic and laparotomy validated a uterine fundal rupture attributable to placenta accreta spectrum (PAS). The uterus was successfully preserved after surgical repair. Histopathological examination confirmed localized myometrial infiltration by placental tissue, consistent with PAS. This report emphasizes the necessity of including PAS-related uterine rupture in the differential diagnosis of acute abdomen during early pregnancy, even when classical risk markers are absent. The example underscores the need of timely surgical intervention in securing positive mother outcomes and maintaining reproductive potential. The postoperative course was uneventful, and the patient was discharged in stable condition with preservation of uterine integrity. This article seeks to enhance clinical knowledge and promote vigilance among obstetricians and emergency physicians on early-pregnancy uterine rupture by contributing to the scarce literature on the subject.</p>","PeriodicalId":9610,"journal":{"name":"Case Reports in Obstetrics and Gynecology","volume":"2026 ","pages":"9949364"},"PeriodicalIF":0.8,"publicationDate":"2026-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13106945/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147763481","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":"Utilization of Transvaginal Morcellation for Large Cervical Fibroid During Laparoscopic Assisted Hysterectomy: A Case Report.","authors":"Apoorva Kakkilaya, Karren Lewis","doi":"10.1155/crog/5522455","DOIUrl":"10.1155/crog/5522455","url":null,"abstract":"<p><strong>Introduction: </strong>Cervical fibroids are a rare subtype of uterine fibroid (0.6%) which may cause pelvic pain and abnormal uterine bleeding. When large, they present technical challenges to traditional laparoscopic hysterectomy due to anatomic distortion and limited uterine mobility. This report aims to illustrate a minimally invasive approach to hysterectomy complicated by a large cervical fibroid with limited mobility and laparoscopic visualization.</p><p><strong>Case description: </strong>A 51-year-old G6P5015 woman underwent hysterectomy for alleviation of pelvic pain secondary to an 11 cm fibroid. Intraoperatively, the fibroid occupied the entire posterior cul-de-sac near the right ureter and extended into the right broad ligament with posterior displacement of the cervix. A combined laparoscopic and vaginal approach was used to complete the surgery. The fibroid was morcellated through a transvaginal approach allowing for debulking of the cervix and completion in a minimally invasive fashion. The patient had an uncomplicated postoperative course.</p><p><strong>Conclusions: </strong>The potential for laparoscopic assisted vaginal hysterectomy (LAVH) with transvaginal morcellation of fibroids as an alternative to total abdominal hysterectomy (TAH) is a worthwhile consideration to reduce recovery time and postoperative complications that can accompany TAH.</p>","PeriodicalId":9610,"journal":{"name":"Case Reports in Obstetrics and Gynecology","volume":"2026 ","pages":"5522455"},"PeriodicalIF":0.8,"publicationDate":"2026-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13100360/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147763516","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":"A Rare Presentation of Vulvar Discoid Lupus Erythematosus Masquerading as Lichen Sclerosus.","authors":"Asiya Cummings, Joseph M Maurice, Marylee Braniecki","doi":"10.1155/crog/6697676","DOIUrl":"10.1155/crog/6697676","url":null,"abstract":"<p><p>Discoid lupus erythematosus (DLE) is a chronic cutaneous manifestation of lupus that may occur independently or precede systemic disease. Vulvar involvement is exceptionally rare and can mimic more common vulvar dermatoses. We report a case of vulvar hypertrophic DLE in a 55-year-old African-American woman with systemic lupus erythematosus who was presented with an asymptomatic erythematous, ulcerated vulvar lesion initially suspected to represent herpes simplex virus infection or lichen sclerosus. Histopathologic examination demonstrated vacuolar interface dermatitis, follicular plugging, basement membrane thickening, and stromal mucin deposition, findings consistent with DLE. The lesion developed during a lupus flare and lacked the pruritus typical of lichen sclerosus. Management included continuation of immunosuppressive therapy with clinical improvement and residual postinflammatory hypopigmentation. This case highlights the importance of considering lupus-related disease in the differential diagnosis of atypical vulvar lesions and underscores the role of biopsy in establishing an accurate diagnosis.</p>","PeriodicalId":9610,"journal":{"name":"Case Reports in Obstetrics and Gynecology","volume":"2026 ","pages":"6697676"},"PeriodicalIF":0.8,"publicationDate":"2026-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13090533/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147721659","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":"A Challenging Case Report of Severe Asherman's Syndrome: Managing Uterine Perforation During Surgery.","authors":"Khishotul Hayati, Artha Falentin Putri Susilo, Mulyanusa Amarullah Ritonga, Tono Djuwantono","doi":"10.1155/crog/8897371","DOIUrl":"10.1155/crog/8897371","url":null,"abstract":"<p><strong>Introduction: </strong>Asherman's syndrome (AS), characterized by intrauterine adhesions (IUAs), can significantly distort uterine anatomy and complicate hysteroscopic adhesiolysis. Although hysteroscopic adhesiolysis is the standard treatment, severe adhesions increase the risk of complications such as uterine perforation.</p><p><strong>Case illustration: </strong>We report a 31-year-old woman with severe AS who developed uterine perforation during hysteroscopic adhesiolysis. During dissection of dense adhesions, a small fundal perforation (0.5 cm × 0.5 cm) was suspected after sudden loss of resistance and bleeding. The procedure was immediately halted, and diagnostic laparoscopy confirmed a full-thickness fundal defect that was repaired laparoscopically. After stabilization, hysteroscopic management was resumed with placement of an amnion graft to promote endometrial regeneration. However, intraoperative bleeding recurred, and reassessment revealed enlargement of the perforation. Repeat laparoscopy confirmed a larger fundal defect, which was repaired with definitive laparoscopic hysterorrhaphy. The patient recovered uneventfully, received postoperative hormonal therapy, and resumed menstruation 1 month after surgery.</p><p><strong>Conclusion: </strong>This case highlights the risk of uterine perforation during adhesiolysis in severe AS and emphasizes the importance of early recognition and prompt laparoscopic management. Adjunctive guidance techniques and combined hysteroscopic-laparoscopic approaches may improve procedural safety and help preserve uterine integrity.</p>","PeriodicalId":9610,"journal":{"name":"Case Reports in Obstetrics and Gynecology","volume":"2026 ","pages":"8897371"},"PeriodicalIF":0.8,"publicationDate":"2026-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13084328/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147721748","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":"Placental Site Trophoblastic Tumor: Two Rare Case Report and Literature Review Within a Decade.","authors":"Yiqi Guan, Jinsong Han, Kun Zhang, Yiting Wang","doi":"10.1155/crog/9928611","DOIUrl":"10.1155/crog/9928611","url":null,"abstract":"<p><p>This case report presents two rare cases of placental site trophoblastic tumor (PSTT) with detailed clinical presentations, diagnostic challenges, and long-term treatment outcomes. PSTT is a rare form of gestational trophoblastic neoplasia with highly heterogeneous clinical manifestations, making it a valuable addition to the medical literature.</p>","PeriodicalId":9610,"journal":{"name":"Case Reports in Obstetrics and Gynecology","volume":"2026 ","pages":"9928611"},"PeriodicalIF":0.8,"publicationDate":"2026-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13069151/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147670621","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":"Third Delivery in a Chinese Patient With Anomalous Origin of Left Coronary Artery From Pulmonary Artery (ALCAPA): A Case Report.","authors":"He Zhao, Dawei Zhang, Yanna Li, Zhen Fang, Nan Zhang, Jun Zhang","doi":"10.1155/crog/4830284","DOIUrl":"10.1155/crog/4830284","url":null,"abstract":"<p><strong>Background: </strong>Anomalous origin of the left coronary artery from the pulmonary artery (ALCAPA) is a rare congenital defect that poses a significant risk of myocardial ischemia and sudden death, especially during the hemodynamic stresses of pregnancy. Although surgical correction is standard, the management of asymptomatic adult-type ALCAPA diagnosed during pregnancy remains a high-stakes clinical challenge.</p><p><strong>Case presentation: </strong>We report the case of a 36-year-old multiparous woman with incidentally diagnosed adult-type ALCAPA during her third pregnancy. Serial echocardiography revealed moderate mitral regurgitation. The pregnancy was complicated by superimposed preeclampsia at 33 weeks. A dedicated multidisciplinary team implemented a tailored plan for labor induction at 37 weeks in a hybrid operating room, employing epidural analgesia and continuous hemodynamic monitoring. The patient underwent a successful vaginal delivery of a healthy infant. Intriguingly, mitral regurgitation transiently worsened to severe on postpartum Day 3 but significantly improved to mild by Day 7, correlating with resolution of the pregnancy-induced volume load. Coronary CTA postpartum confirmed the diagnosis.</p><p><strong>Discussion: </strong>Multidisciplinary planning enables safe vaginal delivery in select ALCAPA pregnancies. Dynamic peripartum changes in mitral regurgitation underline the role of volume shifts and the need for serial echocardiography to guide management and time definitive surgery.</p>","PeriodicalId":9610,"journal":{"name":"Case Reports in Obstetrics and Gynecology","volume":"2026 ","pages":"4830284"},"PeriodicalIF":0.8,"publicationDate":"2026-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13062753/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147670594","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":"A Rare Massive Seromucinous Cystadenoma of the Ovary in a 26-Year-Old Female Persisting for 9 Years: A Case Report.","authors":"Marah Kakeh, Mohammad Alhalabi, Wael Wazan, Rasha Abbassi, Abeer Kanjawi, Haitham Abbassi","doi":"10.1155/crog/5887168","DOIUrl":"10.1155/crog/5887168","url":null,"abstract":"<p><p>Giant ovarian tumors (GOTs) are uncommon ovary neoplasms with no universally accepted definition. They are typically noncancerous, with a mucinous subtype being the most common characteristic. Epithelial ovarian tumors are classified by cell type into serous, endometrioid, clear cell, mucinous, seromucinous, or transitional. Seromucinous cystadenomas are largely asymptomatic and can present with massive dimensions in late diagnoses, especially in low-to-middle-income regions. In this case, a 26-year-old nulliparous Arab woman presented with a giant ovarian cyst in her reproductive age, undiagnosed for 9 years, which turned out to be a benign histopathology of seromucinous cystadenoma. The clinical presentation was nonspecific, as large ovarian cysts are often asymptomatic until they reach a substantial size to affect the quality of life and fertility. She had progressive abdominal swelling first noticed 6 years ago, but she started developing a feeling of fullness, constipation, nausea, vomiting, and urinary hesitancy with painful micturition 5 months prior to presentation with marked distress. The cystadenoma was excised without complications, through the exploratory laparotomy, and a left salpingo-oophorectomy with right cystectomy was performed. Seromucinous cystadenomas were first classified in 2014 by the World Health Organization (WHO) as a new entity and a rare subtype of ovarian epithelial tumors. Patients with benign seromucinous cystadenomas have an excellent prognosis, especially with complete surgical removal. Raising awareness and increasing access to gynecological care in low- and middle-income countries are essential for the long-term well-being and health of patients with giant ovarian cysts.</p>","PeriodicalId":9610,"journal":{"name":"Case Reports in Obstetrics and Gynecology","volume":"2026 ","pages":"5887168"},"PeriodicalIF":0.8,"publicationDate":"2026-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13066506/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147670574","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}