{"title":"Evaluation of response to neoadjuvant chemotherapy in technically unresectable moderately advanced oral cavity cancers","authors":"Abhishek Kadian, Puneet Takkar, Ankit Sharma, Prateek Sharma","doi":"10.4103/jcrt.jcrt_172_22","DOIUrl":"https://doi.org/10.4103/jcrt.jcrt_172_22","url":null,"abstract":"<h3>Background: </h3>\u0000<p>Moderately advanced and technically unresectable oral cavity cancers have a poor prognosis. Neoadjuvant chemotherapy might be beneficial in such patients by reducing tumour bulk and allowing definitive surgery.</p>\u0000<h3>Aim: </h3>\u0000<p>To evaluate the response of neoadjuvant chemotherapy in moderately advanced technically unresectable oral cavity cancers.</p>\u0000<h3>Methodology: </h3>\u0000<p>Prospective observational study - secondary data analysis of patients with moderately advanced oral cavity cancer, which were treated with neoadjuvant chemotherapy (NACT) during the period November 2014-April 2016. Data was analysed for information on patient characteristics, chemotherapy received, toxicity, clinical response rates, local treatment offered and pathological response rates. The statistical analysis was performed with SPSS version 20.</p>\u0000<h3>Results: </h3>\u0000<p>30 patients, with a median age of 52 years were analyzed. Buccal mucosa was the most common sub site (50%). Three drug regimen was utilized in all patients. Resectability was achieved in 14 patients (46.67%). Febrile neutropenia was seen in 3 patients (10%). The overall response rate was 31%.</p>\u0000<h3>Conclusion: </h3>\u0000<p>NACT was effective in converting moderately advanced technically unresectable oral cavity cancers to operable disease in approximately 47% of patients. Post NACT, there is significant association between clinical and pathological findings of response rates. There is no increase in surgical complication rates following NACT.</p>","PeriodicalId":15208,"journal":{"name":"Journal of cancer research and therapeutics","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141528848","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":"Microwave ablation combined with percutaneous vertebroplasty for treating painful non-small cell lung cancer with spinal metastases under real-time temperature monitoring","authors":"Linlin Wu, Miaomiao Hu, Peishun Li, Qirong Man, Qianqian Yuan, Xusheng Zhang, Yuanyuan Qiu, Lili Chen, Jing Fan, Kaixian Zhang","doi":"10.4103/jcrt.jcrt_1074_23","DOIUrl":"https://doi.org/10.4103/jcrt.jcrt_1074_23","url":null,"abstract":"<h3>Purpose: </h3>\u0000<p>To retrospectively study the therapeutic effect and safety performance of the combination strategies of the computed tomography (CT)-guided microwave ablation (MWA) and percutaneous vertebroplasty (PVP) as a treatment for painful non-small cell lung cancer (NSCLC) with spinal metastases.</p>\u0000<h3>Materials and Methods: </h3>\u0000<p>A retrospective review included 71 patients with 109 vertebral metastases who underwent microwave ablation combined with percutaneous vertebroplasty by the image-guided and real-time temperature monitoring. Treatment efficacy was determined by comparing visual analog scale (VAS) scores, daily morphine equivalent opioid consumption, and Oswestry Disability Index (ODI) scores before treatment and during the follow-up period.</p>\u0000<h3>Results: </h3>\u0000<p>Technical success was achieved in all patients. The mean pre-procedure VAS score and morphine doses were 6.6 ± 1.8 (4–10) and 137.2 ± 38.7 (40–200) mg, respectively. The mean VAS scores and daily morphine doses at 24 h and 1, 4, 12, and 24 weeks postoperatively were 3.3 ± 1.9 and 73.5 ± 39.4 mg; 2.2 ± 1.5 and 40.2 ± 29.8 mg; 1.7 ± 1.2 and 31.3 ± 23.6 mg; 1.4 ± 1.1 and 27.3 ± 21.4 mg; and 1.3 ± 1.1 and 24.8 ± 21.0 mg, respectively (all <em xmlns:mrws=\"http://webservices.ovid.com/mrws/1.0\">P</em> < 0.001). ODI scores significantly decreased (<em xmlns:mrws=\"http://webservices.ovid.com/mrws/1.0\">P</em> < 0.05). Minor cement leakage occurred in 51 cases (46.8%), with one patient having a grade 3 neural injury. No local tumor progression was observed by follow-up imaging.</p>\u0000<h3>Conclusions: </h3>\u0000<p>MWA combined with PVP can significantly relieve pain and improve patients’ quality of life, which implied this is an effective treatment option for painful NSCLC with spinal metastases. Additionally, its efficacy should be further verified through the mid- and long-term studies.</p>","PeriodicalId":15208,"journal":{"name":"Journal of cancer research and therapeutics","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140833019","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":"Gastrointestinal bleeding due to obstruction of the superior mesenteric vein","authors":"Feng Liu, Aiyin Li, Guijie Li, Hairong Liu","doi":"10.4103/jcrt.jcrt_2249_21","DOIUrl":"https://doi.org/10.4103/jcrt.jcrt_2249_21","url":null,"abstract":"<p>Gastrointestinal bleeding is a common clinical symptom. Finding the underlying cause is the first step for treatment. In a few patients, this can be difficult. The present work reports on the unusual case of a 53-year-old man who presented gastrointestinal bleeding. No bleeding site was found by gastrocolonoscopy or interventional examination, but after multidisciplinary consultation, we discovered that the cause of gastrointestinal bleeding was the obstruction of the upper mesenteric vein.</p>","PeriodicalId":15208,"journal":{"name":"Journal of cancer research and therapeutics","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140833000","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}
Miaomiao Yang, Hongxin Cao, Congcong Wang, Caiyan Yu, Ping Sun
{"title":"Incidence of thromboembolic events in non-small cell lung cancer patients treated with immune checkpoint inhibitors: A systematic review and meta-analysis","authors":"Miaomiao Yang, Hongxin Cao, Congcong Wang, Caiyan Yu, Ping Sun","doi":"10.4103/jcrt.jcrt_1031_23","DOIUrl":"https://doi.org/10.4103/jcrt.jcrt_1031_23","url":null,"abstract":"<p>The incidence of thromboembolic events (TEs) in non-small cell lung cancer (NSCLC) patients treated with immune checkpoint inhibitors (ICIs) has rarely been reported. The MEDLINE, EMBASE, and the Cochrane Library databases were searched. The primary outcome was the incidence of TEs, and the secondary outcome was the relationship between TEs and overall survival (OS) following ICI therapy. A subgroup analysis of TE incidents was performed according to the TE type and combination regimens. The I2 statistic was used to determine the heterogeneity, and funnel plots and Egger’s test were used to assess publication bias. A total of 16,602 patients with NSCLC in 63 experimental arms were included in the analysis. The rate of TEs ranged from 0.1% to 13.8%, and the pooled overall incidence of all-grade TEs was 3% (95% confidence interval [CI], 2%–4%). The pooled rate of high-grade TEs was 1% (95% CI, 1%–2%). The venous and arterial TE rates were 3% (95% CI, 2%–4%) and 1% (95% CI, 1%–2%), respectively. Patients who received immunotherapy + chemoradiotherapy had the highest incidence of TEs (7%). The TE pooled rate was higher in patients treated with combined ICIs than in those treated with mono ICIs (4% vs. 2%). The OS was lower in patients with TEs than in those without TEs (hazard ratio, 1.4; 95% CI, 1.02%–1.92%). The incidence of TEs in NSCLC patients treated with ICIs was reasonable. Nonetheless, clinicians must be aware of potential thrombotic complications and treat them promptly.</p>","PeriodicalId":15208,"journal":{"name":"Journal of cancer research and therapeutics","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140833020","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}
M. Mosleh-Shirazi, Somayeh Kazempour, R. Fardid, S. Sharifzadeh, S. Karbasi
{"title":"Intra-fractional dose rate effect in continuous and interrupted irradiation of the MCF-7 cell line: Possible radiobiological implications for breath-hold techniques in breast radiotherapy?","authors":"M. Mosleh-Shirazi, Somayeh Kazempour, R. Fardid, S. Sharifzadeh, S. Karbasi","doi":"10.4103/jcrt.jcrt_826_21","DOIUrl":"https://doi.org/10.4103/jcrt.jcrt_826_21","url":null,"abstract":"PURPOSE\u0000To investigate the effects of different dose rates (DRs) in continuous and interrupted irradiation on in-vitro survival of the MCF-7 cell line, towards finding possible radiobiological effects of breath-hold techniques in breast radiotherapy (RT), in which intra-fractional beam interruptions and delivery prolongation can occur.\u0000\u0000\u0000MATERIALS AND METHODS\u0000MCF-7 cells were irradiated continuously or with regular interruptions using 6 MV x-rays at different accelerator DRs (50-400 cGy/min) to deliver a 2 Gy dose. The interrupted irradiation was delivered in a 10 s on, 10 s off manner. Then, cell survival and viability were studied using colony and MTT assays, respectively.\u0000\u0000\u0000RESULTS\u0000Survival and viability with continuous and interrupted irradiation were similar (P > 0.5). A significant increase in survival at 50, 100, and 400 cGy/min compared to 200 and 300 cGy/min was observed, also a significant decreasing and then increasing trend from 50 to 200 cGy/min and 200 to 400 cGy/min, respectively (P < 0.04). Relative to 200 cGy/min, the survival fractions at 50, 100, 300, and 400 cGy/min were 1.24, 1.23, 1.05, and 1.20 times greater, respectively. Cell viability did not show significant differences between the DRs, despite following the same trend as cell survival.\u0000\u0000\u0000CONCLUSION\u0000Our results suggest that for continuous irradiation of in-vitro MCF-7 cells, with increasing DR within the 50-400 cGy/min range, sensitivity increases and then decreases (inverse effect), also that up to doubling of treatment time in breath-hold techniques does not affect in-vitro radiobiological efficacy with 200-400 cGy/min accelerator DRs. Further confirmatory studies are required.","PeriodicalId":15208,"journal":{"name":"Journal of cancer research and therapeutics","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140734050","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}
Smriti Sharma, RituRaj Upreti, RA Kinhikar, G. Sahani, P. Dash Sharma
{"title":"Patterns of quality assurance and treatment planning for stereotactic body radiation therapy in India - A survey.","authors":"Smriti Sharma, RituRaj Upreti, RA Kinhikar, G. Sahani, P. Dash Sharma","doi":"10.4103/jcrt.jcrt_1090_23","DOIUrl":"https://doi.org/10.4103/jcrt.jcrt_1090_23","url":null,"abstract":"AIM\u0000The use of stereotactic body radiation therapy (SBRT) is an increasing trend in the country. The aim of this study is to gain knowledge on patterns of quality assurance (QA) and treatment planning (TP) aspects with respect to SBRT.\u0000\u0000\u0000MATERIALS AND METHODS\u0000A questionnaire with multiple choice was designed to determine practices of SBRT covering areas such as years of experience, type of linear accelerator, tumor-motion strategies, calculation algorithm used in the TP system (TPS), the protocol used for small field dosimetry, the detector used for small field dosimetry and QA, respiratory management during delivery. The survey was sent to all radiotherapy institutes in the country having a minimum of one linear accelerator, and responses were analyzed.\u0000\u0000\u0000RESULTS\u0000From June 2022 to December 2022, 265 responses to the SBRT survey were received with response rate as 60.4%. The most common reason for not adopting SBRT was reported as a lack of capability of treatment machines to deliver SBRT (61.6%). Lung (81.1%) was the most practiced site. The most common delivery unit was a conventional linear accelerator (83%); 6 MV FFF (85.7%) was mostly used energy; volumetric-modulated arc radiotherapy (VMAT) (91.5%) was mostly used delivery technique; most of the equipment (more than 91.5%) used multileaf collimator (MLC) leaf width ≤5 mm. The most popular methods used for motion strategies during computed tomography (CT) were motion-encompassing and breath-hold techniques used by 65 (62.5%) and 62 (59.6%) respondents, respectively. The most popular method used for respiratory management during delivery was breath-hold by 55 (52.4%) respondents. Most TPS are equipped with either Type-C or Type-B algorithms. Heterogeneity was observed in the QA protocol and acceptance criteria for analysis of patient-specific QA.\u0000\u0000\u0000CONCLUSION\u0000The survey resulted in heterogeneity in QA and TP aspects among users of SBRT and demands for harmonizing the dosimetric aspects of SBRT in the country.","PeriodicalId":15208,"journal":{"name":"Journal of cancer research and therapeutics","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140734902","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}
Rashmi R. Goswami, Michimi Daimary, Balmiki Datta, Krishangee Bordoloi, Piyar Anam
{"title":"Metastatic papillary thyroid carcinoma masquerading as lymphangioma: A rare case report and review of literature","authors":"Rashmi R. Goswami, Michimi Daimary, Balmiki Datta, Krishangee Bordoloi, Piyar Anam","doi":"10.4103/jcrt.jcrt_737_23","DOIUrl":"https://doi.org/10.4103/jcrt.jcrt_737_23","url":null,"abstract":"\u0000 Papillary thyroid carcinoma coexisting with lymphangioma is a rare presentation of a cystic neck mass. Here, we report a case of papillary thyroid carcinoma masquerading as lymphangioma in the neck clinically and radiologically. Our patient was a 31-year-old man who presented with swelling on the left side of the neck for four months. A detailed history and investigation are summarized, and a review of published literature on similar cases is obtained. The initial computed tomography (CT) scan reported it as lymphangioma, and the fine-needle aspiration cytology (FNAC) reported it as a cystic lesion. However, the excision biopsy showed a picture of metastatic papillary carcinoma of the thyroid with cystic changes and associated lymphangioma. The patient finally underwent total thyroidectomy, which again revealed multifocal papillary thyroid carcinoma with capsular invasion and lymph node metastasis on histopathological examination (HPE). Primary occult carcinoma of the thyroid with metastatic deposits presenting as lymphangioma is a very rare presentation of a cystic neck mass, and very few cases have been reported in the English language literature.","PeriodicalId":15208,"journal":{"name":"Journal of cancer research and therapeutics","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139608206","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}
Kirti Balhara, Nisha, S. Mandal, N. Khurana, D. Ghuliani
{"title":"Metastatic deposit of Squamous cell carcinoma of larynx presenting as acute intestinal obstruction: An atypical presentation with literature review","authors":"Kirti Balhara, Nisha, S. Mandal, N. Khurana, D. Ghuliani","doi":"10.4103/jcrt.jcrt_2374_22","DOIUrl":"https://doi.org/10.4103/jcrt.jcrt_2374_22","url":null,"abstract":"\u0000 Laryngeal squamous cell carcinoma (SCC) is the major subtype, accounting for 90% of cancers at this site. While it has a propensity for locoregional spread to cervical nodes, distant metastasis is seen less frequently and mostly to the lungs, bones, and liver, with an overall incidence of 6.5–7.3%. We hereby report a case of a 61-year-old male previously treated for SCC of the larynx, presenting with an acute intestinal obstruction with the presence of metastatic deposits of SCC in the omentum.","PeriodicalId":15208,"journal":{"name":"Journal of cancer research and therapeutics","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139608781","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":"Isolated intracholecystic metastasis of renal cell carcinoma: A report of a rare case.","authors":"Md A Osama, Priti Chatterjee, Gunjan Batra, Neema Nehra, Shadan Ali, Anup Mohta","doi":"10.4103/jcrt.jcrt_1626_22","DOIUrl":"10.4103/jcrt.jcrt_1626_22","url":null,"abstract":"<p><p>Renal cell carcinomas are known for their unforeseeable metastatic pattern. They are known to have high metastatic potential, thus commonly associated with synchronous or metachronous metastatic presentation. At the time of diagnosis, approximately one-third of patients present with metastatic disease. We present a case of synchronous metastasis of clear cell carcinoma to the gallbladder in a 54-year-old male within two months after radical nephrectomy.</p>","PeriodicalId":15208,"journal":{"name":"Journal of cancer research and therapeutics","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90708608","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":"Comparison of three equations for estimating glomerular filtration rate as predictors of cisplatin-related acute kidney injury in lung cancer patients with normal renal function.","authors":"Kubilay Karaboyun, Yakup İriağaç, Eyyüp Çavdar, Okan Avci, Erdoğan S Şeber","doi":"10.4103/jcrt.jcrt_1405_22","DOIUrl":"10.4103/jcrt.jcrt_1405_22","url":null,"abstract":"<p><strong>Objective: </strong>Cisplatin-associated acute kidney injury is a common clinical event that causes increased morbidity and mortality in cancer patients even if they are categorized as having normal functioning kidneys. We aimed to determine predictive factors that can predict acute kidney injury associated with cisplatin therapy in patients with normal renal function by comparison of pre-chemotherapy estimated glomerular filtration rates calculated separately by Cockcroft and Gault (CG), the Modification of Diet in Renal Disease (MDRD), and the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPİ) equations and accompanying patient-associated factors.</p><p><strong>Materials and methods: </strong>A total of 200 patients diagnosed with lung cancer and determined to have normal functioning kidneys and considered cisplatin eligible by the attending physician before chemotherapy were included in this retrospective study. Acute kidney injury after cisplatin chemotherapy (c-AKI) was determined according to the National Cancer Institute's Common Terminology Criteria for Adverse Events v4.03. Pre-chemotherapy serum laboratory parameters and clinico-histopathological characteristics of patients were recorded from the hospital electronic system. The optimal cut-off for eGFR methods was determined by the area under the receiver operating characteristic curve (ROC-AUC) analysis. Predictive factor analysis for c-AKI was performed by regression analyses.</p><p><strong>Results: </strong>C-AKI developed in 39 (19.5%) patients. In the univariate analysis, a significant correlation was observed between c-AKI and high body mass index (BMI) before treatment, older age (>62.5), female gender, eGFR by MDRD (≤94.5 mL/min) and eGFR by CKD-EPI (≤91.5 mL/min). There was no relation between eGFR by CG and c-AKI. Two different multivariate models were established. Model 1 showed that female gender (odds ratio [OR] =4.90, 95% confidence interval [CI]: 1.52-15.79, P = 0.008) and eGFR by MDRD less than or equal to 94.5 mL/min (OR = 3.52, 95% CI: 1.68-7.38, P = 0.001) were predictive markers for c-AKI. In Multivariate Model 2, female gender (OR = 5.51, 95% CI: 1.70-17.83, P = 0.004) and eGFR by CKD-EPI less than or equal to 91.5 mL/min (OR = 3.52, 95% CI: 1.67-7.42, P = 0.001) were found to be predictive markers for c-AKI.</p><p><strong>Conclusions: </strong>This study revealed that eGFR calculated based on MDRD (≤94.5 mL/min/m2) or CKD-EPI (≤91.5 mL/min/m2) before chemotherapy indicates a strong tendency for c-AKI. In addition, we detected a high risk of c-AKI for females compared to their counterparts. Although eGFR 60 mL/min is considered the threshold level to accept patients as cisplatin-eligible, we recommend close follow-up of high-risk patients for cisplatin nephrotoxicity we detected in our models.</p>","PeriodicalId":15208,"journal":{"name":"Journal of cancer research and therapeutics","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84059949","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}