2018
Minimally Invasive Versus Open Primary Resection for Retroperitoneal Soft Tissue Sarcoma: A Propensity-Matched Study From the National Cancer Database
Gani F, Goel U, Blair AB, Singh J, Overton HN, Meyer CF, Canner JK, Pawlik TM, Ahuja N, Johnston FM. Minimally Invasive Versus Open Primary Resection for Retroperitoneal Soft Tissue Sarcoma: A Propensity-Matched Study From the National Cancer Database. Annals Of Surgical Oncology 2018, 25: 2209-2217. PMID: 29855832, PMCID: PMC8383095, DOI: 10.1245/s10434-018-6538-y.Peer-Reviewed Original ResearchConceptsRetroperitoneal soft tissue sarcomaNational Cancer DatabaseSoft tissue sarcomasUse of MISPostoperative mortalityPrimary resectionOverall survivalClinical outcomesTissue sarcomasCancer DatabaseCox proportional hazards modelShorter hospital lengthProportional hazards modelHospital lengthInvasive VersusMultivariable logisticPelvic cancerShorter LOSOpen surgeryOperative approachCommunity hospitalInclusion criteriaSmall tumorsTreatment groupsHazards model
2017
Postoperative complications following intraoperative radiotherapy in abdominopelvic malignancy: A single institution analysis of 113 consecutive patients
Abdelfatah E, Page A, Sacks J, Pierorazio P, Bivalacqua T, Efron J, Terezakis S, Gearhart S, Fang S, Safar B, Pawlik TM, Armour E, Hacker‐Prietz A, Herman J, Ahuja N. Postoperative complications following intraoperative radiotherapy in abdominopelvic malignancy: A single institution analysis of 113 consecutive patients. Journal Of Surgical Oncology 2017, 115: 883-890. PMID: 28252805, PMCID: PMC5572190, DOI: 10.1002/jso.24597.Peer-Reviewed Original ResearchConceptsExternal beam radiation therapyPostoperative complication rateIntraoperative radiotherapyComplication rateInstitution experienceGrade IIAcceptable perioperative morbidityComplications grade IICurative-intent resectionPostoperative surgical complicationsClavien-Dindo scaleMost common diagnosesMargin-negative resectionSingle-institution analysisJohns Hopkins HospitalBeam radiation therapyAbdominopelvic malignanciesRadiotherapy variablesLocoregional controlPerioperative complicationsPerioperative deathsPerioperative morbidityPostoperative complicationsWound complicationsSurgical complications
2016
Predictors of improved survival for patients with retroperitoneal sarcoma
Giuliano K, Nagarajan N, Canner JK, Wolfgang CL, Bivalacqua T, Terezakis S, Herman J, Schneider EB, Ahuja N. Predictors of improved survival for patients with retroperitoneal sarcoma. Surgery 2016, 160: 1628-1635. PMID: 27495850, DOI: 10.1016/j.surg.2016.05.041.Peer-Reviewed Original ResearchConceptsRetroperitoneal sarcomaMultivariable survival analysisSurvival analysisRetroperitoneal sarcoma patientsEnd Results (SEER) databaseOperative resectionImproved survivalLymph nodesSurvival benefitDistant metastasisHistologic typeResults databaseSarcoma patientsRare tumorCancer DatabaseLonger survivalPatientsSarcomaSurvivalParametric survival functionsLocal extensionFurther studiesHigh rateResectionRecurrenceLong‐term outcomes in treatment of retroperitoneal sarcomas: A 15 year single‐institution evaluation of prognostic features
Abdelfatah E, Guzzetta AA, Nagarajan N, Wolfgang CL, Pawlik TM, Choti MA, Schulick R, Montgomery EA, Meyer C, Thornton K, Herman J, Terezakis S, Frassica D, Ahuja N. Long‐term outcomes in treatment of retroperitoneal sarcomas: A 15 year single‐institution evaluation of prognostic features. Journal Of Surgical Oncology 2016, 114: 56-64. PMID: 27076350, PMCID: PMC4917421, DOI: 10.1002/jso.24256.Peer-Reviewed Original ResearchConceptsCompartmental resectionRPS patientsSurgical resectionPrognostic factorsR0/R1 marginsR0/R1 resectionEn bloc surgical resectionBloc surgical resectionCornerstone of therapyMainstay of treatmentFive-year survivalRetrospective chart reviewPresence of metastasesEn bloc resectionExtent of resectionConnective tissue tumorsJohns Hopkins HospitalWarrants further investigationR1 resectionRetroperitoneal sarcomaChart reviewMedian survivalR1 marginsDistal recurrenceLocal recurrence
2015
Survival Following Lung Metastasectomy in Soft Tissue Sarcomas
Giuliano K, Sachs T, Montgomery E, Guzzetta A, Brock M, Pawlik TM, Yang SC, Ahuja N. Survival Following Lung Metastasectomy in Soft Tissue Sarcomas. The Thoracic And Cardiovascular Surgeon 2015, 64: 150-158. PMID: 26339728, DOI: 10.1055/s-0035-1563538.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsAgedAged, 80 and overChildChild, PreschoolDisease-Free SurvivalFemaleHumansInfantKaplan-Meier EstimateLung NeoplasmsMaleMetastasectomyMiddle AgedNeoplasm GradingPneumonectomyRetrospective StudiesRisk FactorsSarcomaSoft Tissue NeoplasmsThoracoscopyTime FactorsTreatment OutcomeYoung AdultConceptsDisease-free intervalSoft tissue sarcomasLung metastasectomyTissue sarcomasLonger disease-free intervalLower pathologic gradeMedian overall survivalKaplan-Meier estimatesLog-rank testLow-grade tumorsGreatest survival advantageOverall survivalPostoperative factorsImproved survivalPatient selectionTumor characteristicsPathologic gradeMetastasis diagnosisCommon siteSurvival advantageSurvival analysisYounger ageMetastasectomyPatientsSurvival
2012
Epithelioid sarcoma: one institution's experience with a rare sarcoma
Guzzetta AA, Montgomery EA, Lyu H, Hooker CM, Meyer CF, Loeb DM, Frassica D, Weber KL, Ahuja N. Epithelioid sarcoma: one institution's experience with a rare sarcoma. Journal Of Surgical Research 2012, 177: 116-122. PMID: 22575361, PMCID: PMC3715113, DOI: 10.1016/j.jss.2012.04.030.Peer-Reviewed Original ResearchConceptsEpithelioid sarcomaOverall survivalDiagnosis of ESRegional lymph node metastasisRare soft tissue sarcomaAvailable histological slidesCentralized cancer registryMedian overall survivalNumber of resectionsInstitutional review board approvalRegional nodal basinLymph node metastasisSoft tissue sarcomasNumber of recurrencesMajority of tumorsReview board approvalJohns Hopkins Medical InstitutionsRepeated ResectionMedian ageMost patientsMedian timeNode metastasisPatient chartsCancer RegistryInstitution experience
2010
Disparity in limb-salvage surgery among sarcoma patients
Downing S, Ahuja N, Oyetunji TA, Chang D, Frederick WA. Disparity in limb-salvage surgery among sarcoma patients. The American Journal Of Surgery 2010, 199: 549-553. PMID: 20359572, DOI: 10.1016/j.amjsurg.2009.12.003.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAmputation, SurgicalAsianBlack or African AmericanFemaleHealth Services AccessibilityHealthcare DisparitiesHispanic or LatinoHumansLimb SalvageLogistic ModelsMaleMiddle AgedMultivariate AnalysisNeoadjuvant TherapyOdds RatioProportional Hazards ModelsRadiotherapy, AdjuvantSarcomaSEER ProgramUnited StatesWhite PeopleConceptsLimb-sparing proceduresLimb salvage surgeryLimb salvagePreoperative radiationSarcoma patientsAfrican AmericansEnd Results (SEER) databaseAfrican American patientsSpecific surgical proceduresWhite patientsResults databaseTreatment modalitiesAmerican patientsSurgical proceduresPatientsMultivariate analysisBivariate analysisLogistic regressionSalvageSurgerySurvivalRecent studiesPrevious studiesTumorsAmericans
2009
Predictors of Survival After Resection of Retroperitoneal Sarcoma
Nathan H, Raut CP, Thornton K, Herman JM, Ahuja N, Schulick RD, Choti MA, Pawlik TM. Predictors of Survival After Resection of Retroperitoneal Sarcoma. Annals Of Surgery 2009, 250: 970-976. PMID: 19644351, PMCID: PMC3099434, DOI: 10.1097/sla.0b013e3181b25183.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overChildChild, PreschoolFemaleFollow-Up StudiesHumansInfantInfant, NewbornKaplan-Meier EstimateMaleMiddle AgedNeoplasm InvasivenessNeoplasm StagingPostoperative PeriodPrognosisProportional Hazards ModelsRetroperitoneal NeoplasmsRetrospective StudiesRisk FactorsSarcomaSEER ProgramSurvival RateTime FactorsUnited StatesYoung AdultConceptsPrimary retroperitoneal sarcomaRetroperitoneal sarcomaPredictors of survivalAJCC staging systemTumor sizeStaging systemRPS resectionHistological subtypesCurrent AJCC staging systemPatients Undergoing ResectionDiscriminatory abilityEnd Results (SEER) databaseAmerican Joint CommitteeCancer (AJCC) staging systemLymph node metastasisModerate discriminatory abilityMalignant fibrous histiocytomaProportional hazards modelPoor discriminatory abilityPrevalent histologyUndergoing resectionNode metastasisAJCC stageMultivariable analysisResults database
2008
Preface
Hueman MT, Ahuja N. Preface. Surgical Clinics Of North America 2008, 88: xiii-xvii. PMID: 18514693, DOI: 10.1016/j.suc.2008.04.009.Peer-Reviewed Original ResearchHumansSarcomaManagement of Extremity Soft Tissue Sarcomas
Hueman MT, Thornton K, Herman JM, Ahuja N. Management of Extremity Soft Tissue Sarcomas. Surgical Clinics Of North America 2008, 88: 539-557. PMID: 18514697, DOI: 10.1016/j.suc.2008.04.003.Peer-Reviewed Original ResearchManagement of Retroperitoneal Sarcomas
Hueman MT, Herman JM, Ahuja N. Management of Retroperitoneal Sarcomas. Surgical Clinics Of North America 2008, 88: 583-597. PMID: 18514700, DOI: 10.1016/j.suc.2008.03.002.Peer-Reviewed Original ResearchConceptsRetroperitoneal sarcomaLocal recurrenceMorbidity of therapyDistant metastatic diseaseAggressive surgical approachCurative treatment optionManagement of patientsHigh-grade lesionsMetastatic diseaseSurgical therapyTherapeutic challengeSurgical approachTreatment optionsExtent of invasionDisease controlSarcomaCommon typePatientsRecurrenceTherapyMorbidityLesionsManagementDiseaseDiagnosis
2007
The role of radiation in retroperitoneal sarcomas: a surgical perspective
Pawlik TM, Ahuja N, Herman JM. The role of radiation in retroperitoneal sarcomas: a surgical perspective. Current Opinion In Oncology 2007, 19: 359-366. PMID: 17545800, DOI: 10.1097/cco.0b013e328122d757.Peer-Reviewed Original ResearchConceptsExternal beam radiation therapyBeam radiation therapyIntraoperative radiation therapyLocal recurrence rateRadiation therapyRetroperitoneal sarcomaRecurrence rateAdjuvant external beam radiation therapyLocal recurrence-free survivalPreoperative external beam radiation therapyRadiation-related morbidityRetroperitoneal sarcoma patientsLocal control rateLocal-regional controlPreoperative radiation therapyRecurrence-free survivalTiming of administrationSurgical patientsTumor resectabilitySarcoma patientsTechniques of deliveryControl rateSurgical perspectiveAdditional toxicityRecent studies