简介：AbstractBackground:Weight gain during chemotherapy in patients with breast cancer contributes to their poor prognosis. However, a growing number of studies have found that metabolic disorders seem to play a more important role in breast cancer prognosis than weight gain. This study aimed to explore the prognostic effects of body mass index (BMI), weight gain, and metabolic disorders on the overall survival (OS) and prognosis of patients with breast cancer who underwent chemotherapy.Methods:Data from the inpatient medical records of patients with breast cancer who underwent chemotherapy at the Beijing Cancer Hospital Breast Cancer Center from January to December 2010 were retrospectively collected, and the patients were followed up until August 2020.Results:A total of 438 patients with stages I to III breast cancer met the inclusion and exclusion criteria. Forty-nine (11.19%) patients died, while 82 (18.72%) patients had tumor recurrence and metastasis at the last follow-up (August 2020). From the time of diagnosis until after chemotherapy, no significant differences were observed in the body weight (t = 4.694, P < 0.001), BMI categories (χ2 = 19.215, P = 0.001), and incidence of metabolic disorders (χ2 = 24.841, P < 0.001); the BMI categories and weight change had no effect on the OS. Both univariate (χ2 = 6.771, P = 0.009) and multivariate survival analyses (hazard ratio = 2.775, 95% confidence interval [CI]: 1.326-5.807, P = 0.007) showed that low high-density lipoprotein cholesterol (HDL-C) levels at diagnosis had a negative impact on the OS. The multivariate logistic regression analysis showed that the HDL-C level at diagnosis (odds ratio [OR] = 2.200, 95% CI: 0.996-4.859, P = 0.051) and metabolic disorders after chemotherapy (OR= 1.514, 95% CI: 1.047-2.189, P = 0.028) are risk factors for poor prognosis in patients with breast cancer.Conclusions:Chemotherapy led to weight gain and aggravated the metabolic disorders in patients with breast cancer. Low HDL-C levels at diagnosis and metabolic disorders after chemotherapy may have negative effects on the OS and prognosis of patients with breast cancer.

简介：AbstractBackground:Pathological complete response (pCR) of axillary lymph nodes (ALNs) is frequently achieved in patients with clinically node-positive breast cancer after neoadjuvant chemotherapy (NAC), and ALN status is an important prognostic factor for breast cancer patients. This study aims to develop a new predictive clinical model to assess the ALN pCR rate after NAC.Methods:This was a retrospective series of 467 patients who had biopsy-proven positive ALNs at diagnosis and underwent ALN dissection from 2007 to 2014 at the National Cancer Center/Cancer Hospital of the Chinese Academy of Medical Sciences. We analyzed the clinicopathologic features of the patients and developed a nomogram to predict the probability of ALN pCR. A multivariable logistic regression stepwise model was used to construct a nomogram to predict ALN pCR in node-positive patients. The adjusted area under the receiver operating characteristic curve (AUC) was calculated to quantify the ability to rank patients by risk. Internal validation was performed using the 50/50 hold-out validation method. The nomogram was externally validated with prospective cohorts of 167 patients from 2016 to 2018 at the Cancer Hospital of the Chinese Academy of Medical Sciences and 114 patients from 2018 to 2020 at Beijing Tiantan Hospital.Results:In this retrospective study, 115 (24.6%) patients achieved ALN pCR after NAC. Multivariate analysis showed that clinical tumor stage (Odds ratio [OR]: 0.321, 95% confidence interval [CI]: 0.121-0.856; P = 0.023); primary tumor response (OR: 0.189; 95% CI: 0.123-0.292; P < 0.001), and estrogen receptor status (OR: 0.530, 95% CI: 0.304-0.925; P = 0.025) were independent predictors of ALN pCR. The nomogram was constructed based on the result of multivariate analysis. In the internal validation of performance of nomogram, the AUCs for the training and test sets were 0.719 and 0.753, respectively. The nomogram was validated in external cohorts with AUCs of 0.720, which demonstrated good discriminatory power in these data sets.Conclusion:We developed a nomogram to predict the likelihood of axillary pCR in node-positive breast cancer patients after NAC. The predictive model performed well in multicenter prospective external validation. This practical tool could provide information to surgeons regarding whether to perform additional ALN dissection after NAC.Trial registration:ChiCTR.org.cn, ChiCTR1800014968.

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简介：AbstractObjective:To evaluate the survival outcomes for a cohort of nasopharyngeal cancer with intracranial extension (ICE) treated with induction chemotherapy (ICT) followed by chemo-intensity-modulated radiotherapy (CTRT) at a tertiary cancer center.Methods:We retrospectively analyzed 45 patients with histologically proven, non-metastatic NPC with ICE treated at our institute between October 2008 and October 2016. Patients were classified as minor ICE or major ICE, based on the extent of ICE. All the patients received 2-3 cycles of a taxane-based ICT regimen followed by CTRT. Radiotherapy was delivered with "riskadapted" intensity-modulated radiotherapy (IMRT) technique in all patients.Results:After a median follow up of 45 months (range: 8-113 months), the estimated 5-year DFS, LRFS, DMFS, and OS of the entire cohort was 58%, 82%, 67% and 74% respectively. On multivariate analysis, histological subtype was an independent predictor of LRFS, and age was an independent predictor of DFS. The extent of ICE showed only a trend towards worse DFS (P= 0.06). None of the factors significantly predicted for DMFS or OS. Gender, N-stage, and response to ICT did not significantly affect any of the outcomes. Grade 2 or worse subcutaneous fibrosis was seen in 22% of patients and grade 2 or worse xerostomia was seen in 24% of patients at last follow up. Thirty-three percent of the patients developed clinical hypothyroidism at last follow up. None of the patients experienced any neurological or vascular complications.Conclusions:Taxane-based induction chemotherapy followed by chemo-intensity modulated radiotherapy resulted in excellent locoregional control and survival with acceptable toxicities in patients of nasopharyngeal cancer with intracranial extension. Distant metastasis continues to be the predominant problem in these patients.

简介：Objective:Anti-angiogenicdrugsareanemergingtreatmentoptionagainstmalignanttumors.Theaimofthisstudywastodeterminewhethertheadditionofperioperativerh-endostatintochemotherapycouldimprovetheprobabilityofdistantmetastasis-freesurvival(DMFS)andoverallsurvival(OS)inpatientsnewlydiagnosedwithnon-metastaticconventionalosteosarcoma.Methods:Thiswasacontrollednon-randomizedclinicalstudythatincluded388patientswithoutclinicallydetectablemetastaticdiseaseenrolledfromJanuary2008toApril2012.Thecontroltreatmentgrouphad272patients;180weremaleand92,female,withamedianageof17years.Thetreatmentgrouphad58patients;36weremaleand22,female,withamedianageof16years.Thecontrolgroupreceivedpreoperativechemotherapyfollowedbysurgeryandpostoperativechemotherapy.Thetreatmentgroupreceived4cyclesofrh-endostatinperioperativelyinadditiontochemotherapyasperthecontrolgroup.Patientswerefollowedupfrom6-101monthswithamedianfollow-upperiodof50.2months.Results:The5-yearDMFSofthecontrolgroup(61%)wassignificantlylowerthanthatoftherh-endostatingroup(79%)(P=0.013).The5-yearOSofthecontrolgroup(74%)wassignificantlylowerthanthatoftherh-endostatintreatmentgroup(87%)(P=0.029).Nodifferenceinadversedrugreactionswasfoundbetweenthese2groups.Conclusions:Theadditionofperioperativerh-endostatintochemotherapycouldsignificantlyimprovetheDMFSandOSofpatientswithnon-metastaticosteosarcoma.

简介：AbstractImportance:Rhabdomyosarcoma (RMS) is the most common soft tissue sarcoma in children. More than 90% of cases are classified as embryonic RMS (ERMS) or alveolar RMS (ARMS). ERMS has a worse prognosis than ARMS. Early differential diagnosis is of paramount importance for optimization of treatment.Objective:To identify genes that are differentially expressed between ARMS and ERMS, which can be used for accurate rhabdomyosarcoma classification.Methods:Three Gene Expression Omnibus datasets composed of ARMS and ERMS samples were screened and 35 differentially expressed genes (DEGs) were identified. Receiver operating characteristic curve analysis and area under the curve analysis was performed for these 35 DEGs and seven candidate genes with the best differential expression scores between ARMS and ERMS were determined. The expression of these seven candidate genes was validated by immunohistochemical analysis of pre-chemotherapy ARMS and ERMS specimens.Results:The levels of DCX and CRABP2 were confirmed to be remarkably different between paraffin-embedded ARMS and ERMS tissues, while EGFR abundance was only marginally different between these two RMS subtypes.Interpretation:DCX and CRABP2 are potential biomarkers for distinguishing ARMS from ERMS in pre-chemotherapy pediatric patients.

简介：AbstractBackground:Chemotherapy plus granulocyte colony-stimulating factor (GCSF) regimen is one of the available approaches to mobilize peripheral blood progenitor cells (PBPCs). It causes thrombocytopenia and delays leukapheresis. This study aimed to evaluate the role of recombinant human thrombopoietin (rhTPO) before mobilization chemotherapy in facilitating leukapheresis in patients with lymphoma.Methods:In this randomized open-label phase 2 trial, patients were randomly assigned in a 1:2 ratio to receive mobilization with rhTPO plus GCSF in combination with chemotherapy (the rhTPO plus GCSF arm) or GCSF alone in combination with chemotherapy (the GCSF alone arm). The recovery of neutrophils and platelets and the amount of platelet transfusion were monitored.Results:Thirty patients were enrolled in this study between March 2016 and August 2018. Patients in the rhTPO plus GCSF arm (n = 10) had similar platelet nadir after mobilization chemotherapy (P=0.878) and similar amount of platelet transfusion (median 0 vs. 1 unit, P=0.735) when compared with the GCSF alone arm (n = 20). On the day of leukapheresis, the median platelet count was 86 × 109/L (range 18-219) among patients who received rhTPO and 73 × 109/L (range 42-197) among those who received GCSF alone (P=0.982). After the use of rhTPO, the incidence of platelet count <75 × 109/L on the day of leukapheresis did not decrease significantly (30.0% vs. 50.0%, P=0.297). Platelet recovery after PBPC transfusion was more rapid in the rhTPO plus GCSF arm (median 8.0 days [95% confidence interval 2.9-13.1] to platelets ≥50 × 109/L vs. 11.0 days [95% confidence interval 8.6-13.4], P=0.011). The estimated total cost of the mobilization and reconstitution phases per patient was similar between the two treatmtent groups (P=0.362 and P=0.067, respectively).Conclusions:Our findings indicate that there was no significant clinical benefit of rhTPO use in facilitating mobilization of progenitor cells, but it may promote platelet recovery in the reconstitution phase after high-dose therapy.Trial registration:This trial has been registered in Clinicaltrials.gov as NCT03014102.

简介：AbstractBackground:With current chemotherapy treatment, >90% of survival has been obtained for Burkitt lymphoma (BL). In this study, the demographic characteristics and treatment outcomes are presented for 78 children in China with central nervous system-positive (CNS+) BL.Methods:This retrospective study consecutively enrolled 78 CNS+ BL patients in Beijing Children’s Hospital (BCH) from 2007 to 2019 who received the BCH B-cell non-Hodgkin’s lymphoma regimen (modified by French-American-British mature lymphoma B-cell 96 [FAB/LMB96] C1 arm ± rituximab). Clinical characteristics, methods of disease detection in the CNS, and outcomes were evaluated. Univariate and multivariate analyses were used to assess prognostic factors.Results:The median age of 65 boys and 13 girls at the time of diagnosis was 5.7 years (ranging from 1 to 14 years). Patients were followed up for a median time of 34 months (ranging from 1 to 72 months). Bone marrow invasion was found in 38 (48.7%) patients. There were 48 (61.5%), 44 (56.4%), and 25 (32%) patients with cranial nerve palsy, intracerebral mass (ICM), and parameningeal extension, respectively. Abnormal cerebrospinal fluid (CSF) morphology and CSF immunophenotype appeared in 15 (19.2%) and 15 (19.2%) patients, respectively. There were 69 (88.5%) patients treated with chemotherapy combined with rituximab, and nine patients were treated solely with chemotherapy. Finally, five patients died of treatment-related infection, recurrence occurred for 13, and one developed a second tumor. The 3-year overall survival and event-free survival rates were 78.9% ± 4.7% and 71.4% ± 6.0%, respectively. Treatment with chemotherapy only, ICM positivity, and >4 organs involved at diagnosis were independent risk factors.Conclusions:Rituximab combined with a modified LMB96 regimen has greatly increased the efficacy of treatment for Chinese children with CNS+ BL, and with the continuous collection of outcome data, treatment-related complications are decreasing. For further verification, a large sample multicentre randomized controlled study should be performed to explore a treatment scheme for Chinese children with even greater efficacy.

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简介：在这份报纸，我们独自考察了雄激素剥夺治疗(ADT)的长期的幸存结果，安全，和quality-of-life对为局部地先进、变形的前列腺癌症(PCa)与放射治疗(RT)或化疗结合了。文学搜索用OvidSP被执行。满足了下列标准的使随机化的控制试用(RCT)被包括：包括局部地先进或变形的PCa，比较方法和疾病的报导量的数据控制的与任何治疗独自一个对联合的ADT或幸存结果。最后，八RCT满足了包括标准。在这些之中，三比较了ADT对ADT正RT(n=2344)并且一个人比较了ADT对ADT正docetaxel-estramustine(n=413)在局部地先进的PCa；二比较了ADT对ADT正docetaxel(n=1175)并且加estramustine的二比较ADT对ADT(n=114)在变形PCa。为局部地先进的PCa，到长期的ADT的RT的增加能与充分可接受的不利效果改进幸存和肿瘤控制的结果。特殊，分享的机会比率(或)外套，幸存(OS)是1.43(95%信心间隔1.20-1.71)什么时候独自加RT把ADT与ADT作比较(P<0.0001)。为变形神经质地敏感的PCa，加ADT的docetaxel的并发的使用有效、安全(分享或OS：1.29[1.01-1.65]：P=0.04)。总共，加docetaxel的长期的ADT正RT和长期的ADT应该分别地在局部地先进、变形的神经质地敏感的PCa被看作合适的处理选择。为纸的主要限制是仅仅八RCT是可得到的。

简介：AbstractBackground:After neoadjuvant chemotherapy (NAC), non-pathological complete response of breast cancer patients can benefit from tailored adjuvant chemotherapy. However, it is difficult to select patients with poorer prognosis for additional adjuvant chemotherapy to maximize the benefits. Our study aimed to explore whether the subtypes of tumor-infiltrating lymphocytes (TILs) in residual tumors (RT) is related to the prognosis of triple-negative breast cancer (TNBC) after NAC.Methods:Data from patients with primary TNBC consecutively diagnosed at the Breast Disease Center of Peking University First Hospital from 2008 to 2014 were retrieved, and the cases with RT in the breast after NAC were enrolled. TILs subtypes in RT were observed by double-staining immunohistochemistry, and counted with the median TILs value per square millimeter as the cut-off to define high versus low TILs density in each subtype. The relationships between the TIL density of each subgroup and the clinicopathological characteristics of the RT after NAC patients were analyzed by Fisher exact test. Disease-free survival (DFS) and overall survival (OS) were analyzed by the Kaplan-Meier method and log-rank statistics.Results:A total of 37 eligible patients were included in this study, and the median follow-up period was 50 months (range 17–106 months). There was no significant correlation between the infiltrate density of CD4+, CD8+, CD20+, and CD68+ lymphocytes and clinic-pathological characteristics. Significantly better prognosis was observed in patients with high CD4+-TILs (DFS: P = 0.005, OS: P = 0.021) and high CD8+-TILs (DFS: P = 0.018) and low CD20+-TILs (OS: P = 0.042). Further analysis showed that patients with CD4+/CD20+ ratio greater than 1 (DFS: P = 0.001, OS: P = 0.002) or CD8+/CD20+ ratio greater than 1 (DFS: P = 0.009, OS: P = 0.022) had a better prognosis.Conclusions:Subtypes of TILs in RT is a potential predictive biomarker of survival in TNBC patients after NAC.

简介：AbstractImportance:131I-metaiodobenzylguanidine (131I-mIBG) has a significant targeted antitumor effect for neuroblastoma. However, currently there is a paucity of data for the use of 131I-mIBG as a "front-line" therapeutic agent in those patients with newly diagnosed high-risk neuroblastoma as part of the conditioning regimen for myeloablative chemotherapy (MAC).Objective:To evaluate the feasibility of upfront consolidation treatment with 131I-mIBG plus MAC and hematopoietic stem cell transplantation (HSCT) in high-risk neuroblastoma patients.Methods:A retrospective, single-center study was conducted from 2003-2019 on newly diagnosed high-risk neuroblastoma patients without progressive disease (PD) after the completion of induction therapy. They received 131I-mIBG infusion and MAC followed by HSCT.Results:A total of 24 high-risk neuroblastoma patients were enrolled with a median age of 3.0 years at diagnosis. After receiving this sequential consolidation treatment, 3 of 13 patients who were in partial response (PR) before 131I-mIBG treatment achieved either complete response (CR) (n = 1) or very good partial response (VGPR) (n = 2) after HSCT. With a median follow-up duration of 13.0 months after 131I-mIBG therapy, the 5-year event-free survival and overall survival rates estimated were 29% and 38% for the entire cohort, and 53% and 67% for the patients who were in CR/VGPR at the time of 131I-mIBG treatment.Interpretation:Upfront consolidation treatment with 131I-mIBG plus MAC and HSCT is feasible and tolerable in high-risk neuroblastoma patients, however the survival benefit of this 131I-mIBG regimen is only observed in the patients who were in CR/VGPR at the time of 131I-mIBG treatment.

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简介：Objective:Non-smallcelllungcancer(NSCLC)patientswithepidermalgrowthfactorreceptor(EGFR)-activatingmutationshavehigherresponserateandmoreprolongedsurvivalfollowingtreatmentwithsingle-agentEGFRtyrosinekinaseinhibitor(EGFR-TKI)comparedwithpatientswithwild-typeEGFR.However,allpatientstreatedwithreversibleinhibitorsdevelopacquiredresistanceovertime.Themechanismsofresistancearecomplicated.ThelackofestablishedtherapeuticoptionsforpatientsafterafailedEGFR-TKItreatmentposesagreatchallengetophysiciansinmanagingthisgroupoflungcancerpatients.ThisstudyevaluatestheinfluenceofEGFR-TKIretreatmentfollowingchemotherapyafterfailureofinitialEGFR-TKIwithinatleast6monthsonNSCLCpatients.Methods:Thedataof27patientswhoexperiencedtreatmentfailurefromtheirinitialuseofEGFR-TKIwithinatleast6monthswereanalyzed.Afterchemotherapy,thepatientswereretreatedwithEGFR-TKI(gefitinib250mgqdorerlotinib150mgqd),andthetumorprogressionwasobserved.Thepatientswereassessedforadverseeventsandresponsetotherapy.TargetedtumorlesionswereassessedwithCTscan.Results:Ofthe27patientswhoreceivedEGFR-TKIretreatment,1(3.7%)patientwasobservedincompleteresponse(CR),8(29.6%)patientsinpartialresponse(PR),14(51.9%)patientsinstabledisease(SD),and4(14.8%)patientsinprogressivedisease(PD).Thediseasecontrolrate(DCR)was85.2%(95%CI:62%-94%).Themedianprogression-freesurvival(mPFS)was6months(95%CI:1-29).Ofthe13patientswhoreceivedthesameEGFR-TKI,1patientinCR,3patientsinPR,8patientsinSD,and2patientsinPDwereobserved.TheDCRwas84.6%,andthemPFSwas5months.Ofthe14patientswhoreceivedanotherEGFR-TKI,nopatientinCR,6patientsinPR,6patientsinSD,and2patientsinPDwereobserved.TheDCRwas85.7%,andthemPFSwas9.5months.SignificantdifferencewasfoundbetweenthetwogroupsinPFSbutnotinresponserateorDCR.Conclusion:RetreatmentofEGFR-TKIscanbeconsideredano

简介：AbstractBackground:Secondary central nervous system lymphoma (SCNSL) is defined as lymphoma involvement within the central nervous system (CNS) that originated elsewhere, or a CNS relapse of systemic lymphoma. Prognosis of SCNSL is poor and the most appropriate treatment is still undetermined.Methods:We conducted a retrospective study to assess the feasibility of an R-MIADD (rituximab, high-dose methotrexate, ifosfamide, cytarabine, liposomal formulation of doxorubicin, and dexamethasone) regimen for SCNSL patients.Results:Nineteen patients with newly diagnosed CNS lesions were selected, with a median age of 58 (range 20 to 72) years. Out of 19 patients, 11 (57.9%) achieved complete remission (CR) and 2 (10.5%) achieved partial remission (PR); the overall response rate was 68.4%. The median progression-free survival after CNS involvement was 28.0 months (95% confidence interval 11.0-44.9), and the median overall survival after CNS involvement was 34.5 months. Treatment-related death occurred in one patient (5.3%).Conclusions:These single-centered data underscore the feasibility of an R-MIADD regimen as the induction therapy of SCNSL, further investigation is warranted.

简介：AbstractTo compare efficacy and safety of nab-paclitaxel plus gemcitabine (AG) with nab-paclitaxel plus S-1 (AS) as first-line treatment for metastatic pancreatic cancer, we conducted a retrospective analysis by reviewing medical records of 53 metastatic pancreatic cancer patients in our institution. They received either AG (nab-paclitaxel 125 mg/m2 on days 1, 8 and gemcitabine 1000 mg/m2 on days 1, 8) or AS (nab-paclitaxel 125 mg/m2 on days 1, 8 and S-1 80-120 mg on days 1-14) chemotherapy. We found that AS had higher objective response rate (36% vs 21.4%), better disease control rate (84% vs 75%), prolonged time to progression (TTP, 7.1 vs 5 months), and improved overall survival (OS, 15.3 vs 12 months) when compared with AG. In Cox proportional hazards model, sex was significantly associated with TTP (P value=.031) and metastatic sites plus treatment after progression were significantly associated with OS (P value=.028 and .01, respectively). The incidence rate of chemotherapy-related adverse events was similar in both groups. Neutropenia (50% and 60%, all grade; 21.4% and 36%, grade 3 or 4, in AG and AS group) and sensory neuropathy (21.4% and 24%, all grade; 3.6% and 4%, grade 3 or 4, in AG and AS group) were the most common hematologic and non-hematologic toxicity. Thus, we believed that AS is a reasonable and convenient alternative for patients treated with AG as first-line chemotherapy for metastatic pancreatic cancer.

简介：PURPOSE:Toreviewtheefficacyandpatternsoffailureinaverage-riskmedulloblastomapatientstreatedwithconcurrentchemotherapyandreduced-dosecranialspinalirradiationandaconformaltumorbedboost.METH-ODSANDMATERIALS:Thirty-threepatientswithaveragerisk(definedas<==1.5cm(2)ofresidualtumorafterresection,age>3years,andnoinvolvementofthecerebrospinalfluidorspine)medulloblastomawerediagnosedatourinstitutionbetweenJanuary1994andDecember2001.Theywereenrolledinaninstitutionalpilot

简介：Objective:Toclarifytheprognosticvalueofpost-treatment18F-fluorodeoxyglucose(FDG)positronemissiontomography(PET)/computedtomography(CT)inpatientswithadvancedheadandnecksquamouscellcarcinoma(HNSCC)aftercombinedintra-arterialchemotherapyandradiotherapy(IACR).Methods:Thirty-sixpatientswithHNSCCwhounderwentIACRwererecruited.TheperiodfromtheendofIACRtothelastpost-treatment18F-FDGPET/CTexaminationwas8-12weeks.Bothpatient-basedandlesion-basedanalyseswereusedtoevaluatethePET/CTimages.Forlesion-basedanalysis,36regions(12lesionsofrecurrencesand24scarsatprimarysites)wereselected.TheKaplan-Meiermethodwasusedtoassesstheoverallsurvival(OS)stratifiedby18F-FDGuptakeorvisualinterpretationresults.Results:TwelvepatientswithrecurrencewereidentifiedbysixmonthsafterIACR.Thesensitivityandspecificityinthepatient-basedanalysiswere67%(8/12)and88%(21/24),respectively.ThemeanOSwasestimatedtobe12.1months(95%CI,6.3-18.0months)forthehighermaximumstandardizeduptakevalue(SUVmax)group(n=7)and44.6months(95%CI,39.9-49.3months)forthelowerSUVmaxgroup(n=29).OSinthehigherSUVmaxgroup(cut-offpoint,6.1)orpositivevisualinterpretationgroupwassignificantlyshorterthanthatinthelowerSUVmaxornegativevisualinterpretationgroup(P<0.001andP<0.05,respectively).Conclusions:TheSUVmaxandvisualinterpretationofHNSCConpost-IACR18F-FDGPET/CTcanprovideprognosticsurvivalestimates.