2016
Long‐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
Time to Chemotherapy After Abdominoperineal Resection: Comparison Between Primary Closure and Perineal Flap Reconstruction
Althumairi AA, Canner JK, Ahuja N, Sacks JM, Safar B, Efron JE. Time to Chemotherapy After Abdominoperineal Resection: Comparison Between Primary Closure and Perineal Flap Reconstruction. World Journal Of Surgery 2015, 40: 225-230. PMID: 26336877, DOI: 10.1007/s00268-015-3224-0.Peer-Reviewed Original ResearchConceptsFlap reconstruction groupAdjuvant chemotherapyFlap reconstructionPrimary closureAbdominoperineal resectionWound complicationsRectal adenocarcinomaReconstruction groupWound healingPerineal flap reconstructionPerineal wound complicationsPrimary closure groupPerineal wound closureLength of healingRetrospective reviewClosure groupChemotherapyPatientsPerineal defectsWound closureHealingResectionComplicationsAdenocarcinomaLength of time
2014
Clinicopathologic Presentation and Natural History of Anorectal Melanoma: A Case Series of 18 Patients
Hicks CW, Pappou EP, Magruder JT, Gazer B, Fang S, Wick EC, Gearhart SL, Ahuja N, Efron JE. Clinicopathologic Presentation and Natural History of Anorectal Melanoma: A Case Series of 18 Patients. JAMA Surgery 2014, 149: 608-611. PMID: 24848283, DOI: 10.1001/jamasurg.2013.4643.Peer-Reviewed Original ResearchConceptsAnorectal melanomaOverall disease-specific mortalityNatural historyDisease-specific mortalityDisease-specific survivalNonspecific presenting symptomsWide local excisionRare malignant neoplasmVariable natural historyNonspecific presentationPresenting symptomAbdominoperineal resectionLocal excisionCase seriesMedian timeSurgical managementRectal lesionsMalignant neoplasmsPrognostic parametersClinicopathologic presentationLate diagnosisAdvanced stageIncorrect diagnosisSmall lesionsLarger studyThe Impact of Postoperative Complications on the Administration of Adjuvant Therapy Following Pancreaticoduodenectomy for Adenocarcinoma
Wu W, He J, Cameron JL, Makary M, Soares K, Ahuja N, Rezaee N, Herman J, Zheng L, Laheru D, Choti MA, Hruban RH, Pawlik TM, Wolfgang CL, Weiss MJ. The Impact of Postoperative Complications on the Administration of Adjuvant Therapy Following Pancreaticoduodenectomy for Adenocarcinoma. Annals Of Surgical Oncology 2014, 21: 2873-2881. PMID: 24770680, PMCID: PMC4454347, DOI: 10.1245/s10434-014-3722-6.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinomaAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsChemotherapy, AdjuvantCombined Modality TherapyFemaleFollow-Up StudiesHumansMaleMiddle AgedNeoplasm StagingPancreatic NeoplasmsPancreaticoduodenectomyPostoperative ComplicationsPrognosisRadiotherapy, AdjuvantRetrospective StudiesSurvival RateConceptsAdjuvant therapyPostoperative complicationsMedian survivalMultivariate analysisClavien-Dindo complication gradeTherapy warrants further investigationMultimodality adjuvant therapyOverall complication rateMethodsA retrospective reviewGrade of complicationsLonger median survivalLength of stayWarrants further investigationAdjuvant chemotherapyMedian TTANeoadjuvant approachComplication gradeComplication rateSevere complicationsRetrospective reviewClinicopathological dataResultsA totalPancreaticoduodenectomyRadiation therapyComplications
2011
Genomic and Epigenomic Integration Identifies a Prognostic Signature in Colon Cancer
Yi JM, Dhir M, Van Neste L, Downing SR, Jeschke J, Glöckner SC, de Freitas Calmon M, Hooker CM, Funes JM, Boshoff C, Smits KM, van Engeland M, Weijenberg MP, Iacobuzio-Donahue CA, Herman JG, Schuebel KE, Baylin SB, Ahuja N. Genomic and Epigenomic Integration Identifies a Prognostic Signature in Colon Cancer. Clinical Cancer Research 2011, 17: 1535-1545. PMID: 21278247, PMCID: PMC3077819, DOI: 10.1158/1078-0432.ccr-10-2509.Peer-Reviewed Original ResearchConceptsDNA methylationExtracellular matrixDNA methylation analysisEpigenetic mechanismsKey genesEpigenomic alterationsCore pathwaysEpigenetic abnormalitiesPathway genesECM genesMultiple genesEpigenetic alterationsPathway componentsPathway analysisIntegrative analysisLarge CRC cohortsGenesMethylationMethylation analysisSimultaneous methylationPathway disruptionPathwayAggregate roleNovel prognostic biomarkerEVL
2010
Is the Debate Finally Over?: Comment on “Survival Effects of Adjuvant Chemoradiation Following Chemoradiotherapy After Resection for Pancreatic Carcinoma”
Ahuja N. Is the Debate Finally Over?: Comment on “Survival Effects of Adjuvant Chemoradiation Following Chemoradiotherapy After Resection for Pancreatic Carcinoma”. JAMA Surgery 2010, 145: 56-56. PMID: 20088100, DOI: 10.1001/archsurg.2009.241.Peer-Reviewed Original Research
2008
Management 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 ResearchMeSH KeywordsChemotherapy, AdjuvantCombined Modality TherapyHumansNeoadjuvant TherapyNeoplasm StagingPlastic Surgery ProceduresSarcoma
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 ResearchMeSH KeywordsChemotherapy, AdjuvantCombined Modality TherapyHumansIntraoperative CarePreoperative CareRetroperitoneal NeoplasmsSarcomaConceptsExternal 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