scholarly journals Second Primary Oral Squamous Cell Carcinoma After Radiotherapy: A Retrospective Cohort Study

2021 ◽  
Author(s):  
Hao Song ◽  
Ranran Yang ◽  
Kailiu Wu ◽  
Chao Lou ◽  
Meng Xiao ◽  
...  
Keyword(s):  
Head And Neck Cancer ◽  
Head And Neck ◽  
Neck Cancer ◽  
Proportional Hazards ◽  
Proportional Hazards Model ◽  
Clinicopathological Characteristics ◽  
Cox Proportional Hazards ◽  
Margin Status ◽  
Cox Proportional Hazards Model ◽  
Second Primary

Abstract Background：The clinical characteristics of second primary tumors in oral cavity after radiation was a special subtype of oral cancer and remained poorly studied. The purpose of the present study was to investigate the clinicopathological characteristics and prognostic factors of second primary oral squamous cell carcinoma (OSCC) after radiotherapy for head and neck cancer.Methods：The clinicopathological characteristics of 48 OSCC patients underwent radiotherapy for head and neck cancer were retrospectively analyzed by Kaplan-Meier survival analysis and Cox proportional hazards model, including gender, age, alcohol consumption, smoking, clinical stage, margin status, regional lymph node status, tumor differentiation and treatment mode.Results：The second primary OSCC mostly occurred on the tongue (18/48), bucca (12/48) and gingiva (10/48), and the 3- and 5-year overall survival (OS) was 60.3% and 39.4%, respectively. Margin status (p=0.001, log-rank=10.777) and extranodal extension (p=0.045, log-rank=4.017) were significantly associated with OS, while only margin status was found to be an independent prognostic factor of OS in the Cox proportional hazards model (p=0.003, HR=3.976).Conclusions： OSCC patients underwent radiotherapy for head and neck cancer show poor survival outcomes. Margin status is an independent prognostic factor of second primary OSCC, and the prognostic of second primary OSCC was not in accordance with sporadic OSCC.

Late effects among head and neck cancer survivors in Utah cancer survivorship study.

2017 ◽  
Vol 35 (5_suppl) ◽  
pp. 137-137
Author(s):  
Daisuke Kawakita ◽  
Sarah Abdelaziz ◽  
Yuji Chen ◽  
Kerry G. Rowe ◽  
Yuan Wan ◽  
...  
Keyword(s):  
Hearing Loss ◽  
Head And Neck Cancer ◽  
Head And Neck ◽  
Respiratory Disease ◽  
Neck Cancer ◽  
Cancer Diagnosis ◽  
Late Effects ◽  
Proportional Hazards ◽  
Cox Proportional Hazards ◽  
Second Primary

137 Background: Sites of head and neck are associated with chewing, swallowing and speaking. As for treatment of head and neck cancer (HNC), we have to consider organ preservation as well as clinical outcomes. Although non-surgical treatments have been preferred in recent years, complications after treatment have been a concern. The aim of this study was to evaluate the late effects in a cohort of HNC survivors in Utah compared to a matched cohort of cancer free individuals. Methods: Up to 5 cancer free individuals were matched to each HNC survivor on birth year, sex, birth state, and follow up time. Electronic medical records and statewide ambulatory and inpatient surgery data were used to identify late effects over two time periods: 1-5 and 5-10 years after cancer diagnosis. Cox proportional hazards models were used to estimate the risks of late effects. We adjusted for matching factors, race and number of hospital visit. Results: In this study, 2,432 HNC survivors and 12,149 matched controls were enrolled. More than 80% cases had loco-regional disease and a histological type of squamous cell carcinoma. Hazard ratio (HR) for second primary HNC was notably increased among HNC survivors for both 1-5 years (HR: 1498.46; 95% confidence interval (CI), 158.58-14159.69) and 5-10 years (HR: 1509.62; 95% CI, 147.94-15404.15) post cancer diagnosis. And, HRs for respiratory disease, including respiratory system, lung cancer and pneumoniae, were also increased among HNC survivors for both 1-5 years and 5-10 years post cancer diagnosis. As for hearing loss, HNC survivors had a increased HR for 1-5 years post cancer diagnosis (HR: 5.90; 95% CI, 2.67-13.01) and this association was consistent for 5-10 years post cancer diagnosis (HR: 5.01; 95% CI, 2.06-12.18). Conclusions: In this study, we found HNC survivors have notable associations with second primary HNC, smoking related respiratory disease, and hearing loss which might be associated with chemotherapy when compared to cancer free subjects.

Predictive Value of First Posttreatment Imaging Using Standardized Reporting in Head and Neck Cancer

2019 ◽  
Vol 161 (6) ◽  
pp. 978-985 ◽  
Author(s):  
Derek Hsu ◽  
Falgun H. Chokshi ◽  
Patricia A. Hudgins ◽  
Suprateek Kundu ◽  
Jonathan J. Beitler ◽  
...  
Keyword(s):  
Treatment Failure ◽  
Head And Neck ◽  
Proportional Hazards ◽  
Proportional Hazards Model ◽  
Strong Association ◽  
Treatment Completion ◽  
Tertiary Hospital ◽  
Cox Proportional Hazards ◽  
Cox Proportional Hazards Model ◽  
Increased Risk

Objective The Neck Imaging Reporting and Data System (NI-RADS) is a standardized numerical reporting template for surveillance of head and neck squamous cell carcinoma (HNSCC). Our aim was to analyze the accuracy of NI-RADS on the first posttreatment fluorodeoxyglucose positron emission tomography/contrast-enhanced computed tomography (PET/CECT). Study Design Retrospective cohort study. Setting Academic tertiary hospital. Subject and Methods Patients with HNSCC with a 12-week posttreatment PET/CECT interpreted using the NI-RADS template and 9 months of clinical and radiologic follow-up starting from treatment completion between June 2014 and July 2016 were included. Treatment failure was defined as positive tumor confirmed by biopsy or Response Evaluation Criteria in Solid Tumors criteria. Cox proportional hazards models were performed. Results This study comprised 199 patients followed for a median of 15.5 months after treatment completion (25% quartile, 11.8 months; 75% quartile, 20.2 months). The rates of treatment failure increased with each incremental increase in NI-RADS category from 1 to 3 (4.3%, 9.1%, and 42.1%, respectively). A Cox proportional hazards model demonstrated a strong association between NI-RADS categories and treatment failure at both primary and neck sites (hazard ratio [HR], 2.60 and 5.22, respectively; P < .001). In the smaller treatment subgroup analysis, increasing NI-RADS category at the primary site in surgically treated patients and treatment failure did not achieve statistically significant association (HR, 0.88; P = .82). Conclusion Increasing NI-RADS category at the baseline posttreatment PET/CECT is strongly associated with increased risk of treatment failure in patients with HNSCC.

Supportive care in cancer: Impact of marital status on outcome of end-stage head and neck cancer.

2018 ◽  
Vol 36 (34_suppl) ◽  
pp. 18-18
Author(s):  
Matthew C Simpson ◽  
Aleksandr R Bukatko ◽  
Allison P Knewitz ◽  
Connor L Donovan ◽  
Eric Adjei Boakye ◽  
...  
Keyword(s):  
Head And Neck Cancer ◽  
Marital Status ◽  
Head And Neck ◽  
Neck Cancer ◽  
Proportional Hazards ◽  
Proportional Hazards Model ◽  
Never Married ◽  
Hazards Model ◽  
End Stage ◽  
The Impact

18 Background: The impact of marital status on cancer survival, including head and neck cancer (HNC), has been previously described. However, no previous study has shown whether being married impacts head and neck cancer patients with end-stage disease. The objective of this study was to determine the impact of marital status on survival of patients with stage IVc HNC. Methods: Patients ≥18 years from the Surveillance, Epidemiology, and End Results (SEER) database diagnosed with end-stage (AJCC stage IVc) head and neck squamous cell carcinoma from 2007-2015 ( n=2,886) were included. Kaplan-Meier survival estimated crude survival differences stratified by marital status (married/partnered, never married, divorced/separated, widowed) using log-rank test, and in-between differences were determined using Bonferroni adjustments. Competing risks proportional hazards model determined the effect of marital status on death from HNC while controlling for covariates (age, year of diagnosis, county-level poverty percentage, sex, race/ethnicity, insurance, anatomic subsite, and treatment modality). Results: Patients were predominantly male (81%) and white (65%), with mean age of 62 years. Median overall survival for the cohort was 11 months. The Kaplan-Meier curves indicated at the end of follow-up that divorced/separated (HNSCC-specific survival percentage=13%), never married (8%), and widowed patients (12%) had significantly lower survival than married/partnered patients (20%) (Bonferroni p<0.01). After adjusting for covariates, the proportional hazards model indicated that divorced/separated (aHR=1.16, 95% CI 1.01, 1.33), never married (aHR=1.20, 95% CI 1.07, 1.36), and widowed patients (aHR=1.23, 95% CI 1.02, 1.48) were significantly more likely to die from HNSCC than married/partnered patients. Conclusions: Married patients with HNC enjoy better survival outcomes than those unmarried, and those widowed and divorced have worse outcomes. This study illustrates that supportive care, in the form of being married, impacts patients, including those with end-stage disease.

scholarly journals Survival Benefit of Adjuvant Chemotherapy After Pancreatoduodenectomy for Ampullary Adenocarcinoma: a Propensity-Matched National Cancer Database (NCDB) Analysis

2020 ◽  
Author(s):  
Sivesh K. Kamarajah ◽  
Filip Bednar ◽  
Clifford S. Cho ◽  
Hari Nathan
Keyword(s):  
Adjuvant Chemotherapy ◽  
Survival Benefit ◽  
Proportional Hazards ◽  
Proportional Hazards Model ◽  
Cox Proportional Hazards ◽  
Margin Status ◽  
Cox Proportional Hazards Model ◽  
National Cancer Database ◽  
Neoadjuvant Radiotherapy ◽  
Ampullary Adenocarcinoma

Abstract Background The benefit of adjuvant chemotherapy (AC) after pancreatoduodenectomy (PD) for ampullary adenocarcinoma is uncertain. We aimed to evaluate the association of AC with survival in patients with resected ampullary adenocarcinoma. Methods Using the National Cancer Database (NCDB) data from 2004 to 2016, patients with non-metastatic ampullary adenocarcinoma who underwent PD were identified. Patients with neoadjuvant radiotherapy and chemotherapy and survival < 6 months were excluded. Propensity score matching was used to account for treatment selection bias. A multivariable Cox proportional hazards model was then used to analyze the association of AC with survival. Results Of 3186 (43%) AC and 4172 (57%) no AC (noAC) patients, 1720 AC and 1720 noAC patients remained in the cohort after matching. Clinicopathologic variables were well balanced after matching. After matching, AC was associated with improved survival (median 47.5 vs 39.6 months, p = 0.003), which remained after multivariable adjustment (HR: 0.83, CI95%: 0.76–0.91, p < 0.001). Multivariable interaction analyses showed that this benefit was seen irrespective of nodal status: N0 (HR: 0.81, CI95%: 0.68–0.97, p < 0.001), N1 (HR: 0.65, CI95%: 0.61–0.70, p < 0.001), N2 (HR: 0.73, CI95%: 0.59–0.90, p = 0.003), N3 (HR: 0.59, CI95%: 0.44–0.78, p < 0.001); and margin status: R0 (HR: 0.85, CI95%: 0.77–0.94, p < 0.001), R1 (HR: 0.69, CI95%: 0.48–1.00, p < 0.001). Stratified analyses by nodal and margin status demonstrated consistent results. Conclusion In this large retrospective cohort study, AC after resected ampullary adenocarcinoma was associated with a survival benefit in patients, including patients with node-negative and margin-negative disease.

scholarly journals Clinicopathological Characteristics and Prognostic Prediction in Pseudomyxoma Peritonei Originating From Mucinous Ovarian Cancer

2021 ◽  
Vol 11 ◽  
Author(s):  
Fengxian Fu ◽  
Xulan Ma ◽  
Yiyan Lu ◽  
Hongbin Xu ◽  
Ruiqing Ma
Keyword(s):  
Ovarian Cancer ◽  
Pseudomyxoma Peritonei ◽  
Proportional Hazards ◽  
Proportional Hazards Model ◽  
Survival Rates ◽  
Clinicopathological Characteristics ◽  
Cox Proportional Hazards ◽  
Cox Proportional Hazards Model ◽  
Rank Test ◽  
Hazards Model

ObjectiveTo describe the clinicopathological characteristics of mucinous ovarian cancer (MOC)-derived pseudomyxoma peritonei (PMP) and identify prognostic factors for survival.MethodsMedical records from patients with MOC-derived PMP who attended the Aerospace Center Hospital, Beijing, China between January 2009, and December 2019 were retrospectively reviewed. Survival analysis was performed with the Kaplan-Meier method, the log-rank test, and a Cox proportional hazards model.ResultsCytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) for PMP originating from MOC were performed on 22 patients, who had a median age of 52 years at the time of surgery. At the last follow-up in June 2020, 9 (41%) patients were still alive. Median OS was 12 months (range, 1 to 102 months), and the 2-, 3-, and 5-year survival rates were 23, 9, and 5%, respectively.ConclusionHistopathologic subtype and PCI may be applied as predictors of prognosis in patients with MOC-derived PMP. Patients with high-grade disease could benefit from completeness of cytoreduction (CCR) 0/1.

Clinicopathologic predictors of distant metastasis in head and neck cancer

2009 ◽  
Vol 27 (15_suppl) ◽  
pp. 6086-6086
Author(s):  
F. C. Holsinger ◽  
W. Dong ◽  
N. Bekele ◽  
R. S. Weber ◽  
M. S. Kies ◽  
...  
Keyword(s):  
Overall Survival ◽  
Head And Neck Cancer ◽  
Head And Neck ◽  
Neck Cancer ◽  
Distant Metastasis ◽  
Proportional Hazards ◽  
Univariate Analysis ◽  
Survival Rates ◽  
Cox Proportional Hazards ◽  
Primary Presentation

6086 Background: Despite advances in achieving improved locoregional control for patients with head and neck cancer (HNC), overall survival has not improved in the last 30 years. Several studies have implicated distant metastasis as a potential cause, hindering progress in the treatment of HNC. However, little is known about which patients fail systemically. We therefore sought to identify clinico-pathological factors that are associated with distant metastasis as the only cite of failure. Methods: We retrospectively studied 389 patients with head neck squamous cell carcinomas with distant metastases as the primary site of failure excluding all patients with locoregional recurrence and those receiving chemotherapy at primary presentation. The median follow up period was 5.3 years. An estimate of the risk of DM and DM free survival by prognostic factors was calculated using multivariate analysis and Cox proportional modeling. Results: Overall, 11% (43/389) of the patients developed DM. With univariate analysis, site of the tumor arising within the laryngopharynx, T stage (T3–4), N stage>2, and metastasis to level IV were significantly associated with DM. However, using Cox proportional hazards regression modeling, two clinicopathologic variables, N classification >N2b and diminishing degree of histologic differenention, were found to be most significantly associated with the development of systemic, distant metastasis. For patients staged as N2b or N2c, there was a relative risk (RR) of 6.13 (95% CI: 2.61 - 14.38; p < 0.0001) for developing DM. For patients staged as N3, the RR was 8.23 (95% CI: 2.39 - 28.38; p < 0.001). For patients with poorly differently HNSCC, RR was 11.01 (95% CI: 1.42 - 85.15; p = 0.022) Conclusions: Recognizing patients at primary presentation with tumors with the highest risk for the development of DM might le us to selectively treat them aggressively with systemic therapy to eradicate the tumor, thus improving overall survival rates. No significant financial relationships to disclose.

scholarly journals Institutional Clinical Trial Accrual Volume and Survival of Patients With Head and Neck Cancer

2015 ◽  
Vol 33 (2) ◽  
pp. 156-164 ◽  
Author(s):  
Evan J. Wuthrick ◽  
Qiang Zhang ◽  
Mitchell Machtay ◽  
David I. Rosenthal ◽  
Phuc Felix Nguyen-Tan ◽  
...  
Keyword(s):  
Head And Neck Cancer ◽  
Head And Neck ◽  
Neck Cancer ◽  
Proportional Hazards ◽  
Smoking Status ◽  
Performance Status ◽  
Locally Advanced ◽  
Radiation Therapy Oncology Group ◽  
Cox Proportional Hazards ◽  
Institutional Experience

Purpose National Comprehensive Cancer Network guidelines recommend patients with head and neck cancer (HNC) receive treatment at centers with expertise, but whether provider experience affects survival is unknown. Patients and Methods The effect of institutional experience on overall survival (OS) in patients with stage III or IV HNC was investigated within a randomized trial of the Radiation Therapy Oncology Group (RTOG 0129), which compared cisplatin concurrent with standard versus accelerated fractionation radiotherapy. As a surrogate for experience, institutions were classified as historically low- (HLACs) or high-accruing centers (HHACs) based on accrual to 21 RTOG HNC trials (1997 to 2002). The effect of accrual volume on OS was estimated by Cox proportional hazards models. Results Median RTOG accrual (1997 to 2002) at HLACs was four versus 65 patients at HHACs. Analysis included 471 patients in RTOG 0129 (2002 to 2005) with known human papillomavirus and smoking status. Patients at HLACs versus HHACs had better performance status (0: 62% v 52%; P = .04) and lower T stage (T4: 26.5% v 35.3%; P = .002) but were otherwise similar. Radiotherapy protocol deviations were higher at HLACs versus HHACs (18% v 6%; P < .001). When compared with HHACs, patients at HLACs had worse OS (5 years: 51.0% v 69.1%; P = .002). Treatment at HLACs was associated with increased death risk of 91% (hazard ratio [HR], 1.91; 95% CI, 1.37 to 2.65) after adjustment for prognostic factors and 72% (HR, 1.72; 95% CI, 1.23 to 2.40) after radiotherapy compliance adjustment. Conclusion OS is worse for patients with HNC treated at HLACs versus HHACs to cooperative group trials after accounting for radiotherapy protocol deviations. Institutional experience substantially influences survival in locally advanced HNC.

scholarly journals Increased risk of cerebrovascular mortality in head and neck cancer survivors aged ≥ 65 years treated with definitive radiotherapy: a population-based cohort study

2021 ◽  
Vol 16 (1) ◽  
Author(s):  
Qing-Song He ◽  
Zhen-Ping Wang ◽  
Zhao-Jun Li ◽  
Ping Zhou ◽  
Chen-Lu Lian ◽  
...  
Keyword(s):  
Head And Neck Cancer ◽  
Head And Neck ◽  
Neck Cancer ◽  
Proportional Hazards ◽  
Tumor Location ◽  
Population Based ◽  
Cox Proportional Hazards ◽  
Increased Risk ◽  
Long Term Follow Up

Abstract Background To investigate the relationship between radiotherapy (RT) and the risk of cerebrovascular mortality (CVM) in head and neck cancer (HNC) survivors aged ≥ 65 years. Methods Patients with HNC survivors aged ≥ 65 years diagnosed between 2000 and 2012 were included from the Surveillance, Epidemiology, and End Results database. Kaplan–Meier analysis, Log-rank tests, and Cox proportional-hazards regression models were performed for statistical analyses. Results We included 16,923 patients in this study. Of these patients, 7110 (42.0%) patients received surgery alone, 5041 (29.8%) patients underwent RT alone, and 4772 (28.2%) patients were treated with surgery and RT. With a median follow-up time of 87 months, 1005 patients died with cerebrovascular disease. The 10-years CVM were 13.3%, 10.8%, and 11.2% in those treated with RT alone, surgery alone, and surgery plus RT, respectively (P < 0.001). The mean time for CVM was shorter in RT alone compared to surgery alone and surgery plus RT (52 months vs. 56–60 months). After adjusting for covariates, patients receiving RT alone had a significantly higher risk of developing CVM compared to those receiving surgery alone (hazard ratio [HR] 1.703, 95% confidence interval [CI] 1.398–2.075, P < 0.001), while a comparable risk of CVM was found between those treated with surgery alone and surgery plus RT (HR 1.106, 95% CI 0.923–1.325, P = 0.274). Similar trends were found after stratification age at diagnosis, gender, tumor location, and marital status. Conclusions Definitive RT but not postoperative RT can increase the risk of CVM among older HNC survivors. Long-term follow-up and regular screening for CVD are required for HNC patients who received definitive RT to decrease the risk of CVM.

Age at Exposure to Parental Suicide and the Subsequent Risk of Suicide in Young People

Crisis ◽  
2018 ◽  
Vol 39 (1) ◽  
pp. 27-36 ◽  
Author(s):  
Kuan-Ying Lee ◽  
Chung-Yi Li ◽  
Kun-Chia Chang ◽  
Tsung-Hsueh Lu ◽  
Ying-Yeh Chen
Keyword(s):  
Young People ◽  
Proportional Hazards ◽  
Proportional Hazards Model ◽  
Cox Proportional Hazards ◽  
Cox Proportional Hazards Model ◽  
Birth Registry ◽  
Data Set ◽  
Parental Suicide ◽  
The Impact ◽  
Age At Exposure

Abstract. Background: We investigated the age at exposure to parental suicide and the risk of subsequent suicide completion in young people. The impact of parental and offspring sex was also examined. Method: Using a cohort study design, we linked Taiwan's Birth Registry (1978–1997) with Taiwan's Death Registry (1985–2009) and identified 40,249 children who had experienced maternal suicide (n = 14,431), paternal suicide (n = 26,887), or the suicide of both parents (n = 281). Each exposed child was matched to 10 children of the same sex and birth year whose parents were still alive. This yielded a total of 398,081 children for our non-exposed cohort. A Cox proportional hazards model was used to compare the suicide risk of the exposed and non-exposed groups. Results: Compared with the non-exposed group, offspring who were exposed to parental suicide were 3.91 times (95% confidence interval [CI] = 3.10–4.92 more likely to die by suicide after adjusting for baseline characteristics. The risk of suicide seemed to be lower in older male offspring (HR = 3.94, 95% CI = 2.57–6.06), but higher in older female offspring (HR = 5.30, 95% CI = 3.05–9.22). Stratified analyses based on parental sex revealed similar patterns as the combined analysis. Limitations: As only register-­based data were used, we were not able to explore the impact of variables not contained in the data set, such as the role of mental illness. Conclusion: Our findings suggest a prominent elevation in the risk of suicide among offspring who lost their parents to suicide. The risk elevation differed according to the sex of the afflicted offspring as well as to their age at exposure.

Proliferation-dominant high-grade astrocytoma: survival benefit associated with extensive resection of FLAIR abnormality region

2020 ◽  
Vol 132 (4) ◽  
pp. 998-1005 ◽  
Author(s):  
Haihui Jiang ◽  
Yong Cui ◽  
Xiang Liu ◽  
Xiaohui Ren ◽  
Mingxiao Li ◽  
...  
Keyword(s):  
Survival Benefit ◽  
Proportional Hazards ◽  
Proportional Hazards Model ◽  
Characteristic Curve ◽  
Extent Of Resection ◽  
Cox Proportional Hazards ◽  
Cox Proportional Hazards Model ◽  
High Grade ◽  
Extensive Resection ◽  
High Grade Astrocytoma

OBJECTIVEThe aim of this study was to investigate the relationship between extent of resection (EOR) and survival in terms of clinical, molecular, and radiological factors in high-grade astrocytoma (HGA).METHODSClinical and radiological data from 585 cases of molecularly defined HGA were reviewed. In each case, the EOR was evaluated twice: once according to contrast-enhanced T1-weighted images (CE-T1WI) and once according to fluid attenuated inversion recovery (FLAIR) images. The ratio of the volume of the region of abnormality in CE-T1WI to that in FLAIR images (VFLAIR/VCE-T1WI) was calculated and a receiver operating characteristic curve was used to determine the optimal cutoff value for that ratio. Univariate and multivariate analyses were performed to identify the prognostic value of each factor.RESULTSBoth the EOR evaluated from CE-T1WI and the EOR evaluated from FLAIR could divide the whole cohort into 4 subgroups with different survival outcomes (p < 0.001). Cases were stratified into 2 subtypes based on VFLAIR/VCE-T1WIwith a cutoff of 10: a proliferation-dominant subtype and a diffusion-dominant subtype. Kaplan-Meier analysis showed a significant survival advantage for the proliferation-dominant subtype (p < 0.0001). The prognostic implication has been further confirmed in the Cox proportional hazards model (HR 1.105, 95% CI 1.078–1.134, p < 0.0001). The survival of patients with proliferation-dominant HGA was significantly prolonged in association with extensive resection of the FLAIR abnormality region beyond contrast-enhancing tumor (p = 0.03), while no survival benefit was observed in association with the extensive resection in the diffusion-dominant subtype (p=0.86).CONCLUSIONSVFLAIR/VCE-T1WIis an important classifier that could divide the HGA into 2 subtypes with distinct invasive features. Patients with proliferation-dominant HGA can benefit from extensive resection of the FLAIR abnormality region, which provides the theoretical basis for a personalized resection strategy.

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