2020
Molecular Diagnosis and Extracranial Extension in Cushing Disease
Hong CS, Murari K, Gossmann M, Mahajan A, Erson-Omay Z, Manes RP, Omay SB. Molecular Diagnosis and Extracranial Extension in Cushing Disease. JAMA Otolaryngology - Head & Neck Surgery 2020, 146: 865-867. PMID: 32644156, DOI: 10.1001/jamaoto.2020.1471.Peer-Reviewed Original ResearchChoice of imaging modality for pre-treatment staging of head and neck cancer impacts TNM staging
Mur T, Sambhu KM, Mahajan A, Payabvash S, Fernandez J, Edwards HA. Choice of imaging modality for pre-treatment staging of head and neck cancer impacts TNM staging. American Journal Of Otolaryngology 2020, 41: 102662. PMID: 32858370, DOI: 10.1016/j.amjoto.2020.102662.Peer-Reviewed Original ResearchConceptsPET/CTLow-dose nonenhanced CTDistant metastasisChest CTNeck cancerNonenhanced CTF-fluorodeoxyglucose positron emission tomographyF-FDG PET/CTDiagnostic chest CTDistant metastatic diseaseInitiation of therapyRetrospective cohort studyPre-treatment stagingTertiary care settingSignificant differencesPositron emission tomographyMetastatic diseaseCohort studyOncologic treatmentTNM stagingInaccurate stagingNeck radiologistsCare settingsSingle patientPatients
2019
Slowly progressive fatal PML-IRIS following antiretroviral initiation at CD4+ nadir of 350 cells/mm3 despite CD4+ cell count rise to 900 cells/mm3
Sandhu MR, Rutledge R, Grant M, Mahajan A, Spudich S. Slowly progressive fatal PML-IRIS following antiretroviral initiation at CD4+ nadir of 350 cells/mm3 despite CD4+ cell count rise to 900 cells/mm3. International Journal Of STD & AIDS 2019, 30: 810-813. PMID: 31046614, DOI: 10.1177/0956462419835966.Peer-Reviewed Case Reports and Technical NotesMeSH KeywordsAdultAIDS-Related Opportunistic InfectionsAntiretroviral Therapy, Highly ActiveBrainCD4 Lymphocyte CountDisease ProgressionDystonic DisordersFatal OutcomeHIV InfectionsHumansImmune Reconstitution Inflammatory SyndromeJC VirusLeukoencephalopathy, Progressive MultifocalMagnetic Resonance ImagingMaleTreatment OutcomeConceptsImmune reconstitution inflammatory syndromePML-IRISAntiretroviral therapyCell countInflammatory syndromeInitiation of ARTHIV/AIDS patientsReconstitution inflammatory syndromeRobust immune reconstitutionCells/mm3Progressive multifocal leukoencephalopathyRole of CD4Blood-brain barrierCells/Antiretroviral initiationInflammatory picturePersistent positivityImmune reconstitutionMultifocal leukoencephalopathyNeurological symptomsOpportunistic infectionsAIDS patientsVirus antigenImmune responseJC virus
2018
Incidence of radiographically occult nodal metastases in HPV+ oropharyngeal carcinoma: Implications for reducing elective nodal coverage
Loganadane G, Kelly JR, Lee NC, Kann BH, Mahajan A, Hansen JE, Belkacémi Y, Yarbrough W, Husain ZA. Incidence of radiographically occult nodal metastases in HPV+ oropharyngeal carcinoma: Implications for reducing elective nodal coverage. Practical Radiation Oncology 2018, 8: 397-403. PMID: 29730282, DOI: 10.1016/j.prro.2018.03.009.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overCarcinoma, Squamous CellFemaleFollow-Up StudiesHumansImage Processing, Computer-AssistedLymphatic MetastasisMaleMiddle AgedNeoplasm StagingOropharyngeal NeoplasmsPapillomaviridaePapillomavirus InfectionsPositron Emission Tomography Computed TomographyPrognosisRadiotherapy DosageRadiotherapy Planning, Computer-AssistedRadiotherapy, Intensity-ModulatedRetrospective StudiesConceptsRadiation field designPreoperative imagingPathologic involvementN stageOropharyngeal squamous cell carcinomaElective nodal coverageLevel II diseasePercent of patientsPositive lymph nodesOccult nodal metastasisClinical N stageRadiation therapy doseRecords of patientsNodal levelPathologic N stageSquamous cell carcinomaHuman papilloma virusTreatment deescalationNeoadjuvant therapyNodal diseaseNeck dissectionNodal involvementOropharyngeal carcinomaProspective trialSystemic agents
2017
Long-term outcomes of tissue-based ACTH-antibody assay-guided transsphenoidal resection of pituitary adenomas in Cushing disease.
Erfe JM, Perry A, McClaskey J, Inzucchi SE, James WS, Eid T, Bronen RA, Mahajan A, Huttner A, Santos F, Spencer D. Long-term outcomes of tissue-based ACTH-antibody assay-guided transsphenoidal resection of pituitary adenomas in Cushing disease. Journal Of Neurosurgery 2017, 129: 629-641. PMID: 29027854, DOI: 10.3171/2017.3.jns162245.Peer-Reviewed Original ResearchConceptsTranssphenoidal resectionMRI studiesCushing's diseaseCortisol levelsLong-term corticosteroid therapyUrinary free cortisol levelsLong-term disease remissionLong-term patient outcomesResults Fourteen patientsLong-term outcomesPostoperative MRI studiesSurgical tumor samplesFree cortisol levelsPreoperative MRI studiesPrecise tumor localizationACTH antibodiesPituitary microCorticosteroid therapyStudy patientsDisease remissionFourteen patientsRemission rateRetrospective reviewTreatment failureCure rateComparing available criteria for measuring brain metastasis response to immunotherapy
Qian JM, Mahajan A, Yu JB, Tsiouris AJ, Goldberg SB, Kluger HM, Chiang VL. Comparing available criteria for measuring brain metastasis response to immunotherapy. Journal Of Neuro-Oncology 2017, 132: 479-485. PMID: 28275886, DOI: 10.1007/s11060-017-2398-8.Peer-Reviewed Original ResearchConceptsRECIST 1.1Brain lesionsBrain metastasesDurable responsesAdditional patientsNeuro-Oncology Working GroupBrain metastasis responseBrain metastasis patientsUntreated brain metastasesStandardized response criteriaBrain lesion sizeHigh-grade gliomasSimilar clinical trialsHigh-resolution MRIMetastasis patientsMetastasis responseOngoing trialsClinical trialsNovel therapiesResponse assessmentDiscordant casesLesion sizePatientsResponse rateLongest diameter
2016
Practice Building: Achieving Growth Through Computed Tomographic Myelography–Based Stereotactic Body Radiation Therapy for Spinal Metastases
Zohrabian VM, Husain ZA, Laurans MS, Chiang VL, Mahajan A, Johnson MH. Practice Building: Achieving Growth Through Computed Tomographic Myelography–Based Stereotactic Body Radiation Therapy for Spinal Metastases. Current Problems In Diagnostic Radiology 2016, 45: 324-329. PMID: 26920633, DOI: 10.1067/j.cpradiol.2016.01.004.Peer-Reviewed Original ResearchConceptsStereotactic body radiation therapyBody radiation therapySpinal metastasesTomographic myelographyRadiation therapyWorkup of patientsStereotactic radiation treatmentMultidisciplinary careNeural elementsSBRT programRadiation treatmentMyelographyMetastasisPatientsTherapyRadiologistsMagnetic resonanceStandardized method
2015
Novel somatic mutations in primary hyperaldosteronism are related to the clinical, radiological and pathological phenotype
Scholl UI, Healy JM, Thiel A, Fonseca AL, Brown TC, Kunstman JW, Horne MJ, Dietrich D, Riemer J, Kücükköylü S, Reimer EN, Reis AC, Goh G, Kristiansen G, Mahajan A, Korah R, Lifton RP, Prasad ML, Carling T. Novel somatic mutations in primary hyperaldosteronism are related to the clinical, radiological and pathological phenotype. Clinical Endocrinology 2015, 83: 779-789. PMID: 26252618, PMCID: PMC4995792, DOI: 10.1111/cen.12873.Peer-Reviewed Original ResearchConceptsAldosterone-producing adenomaAdrenal hyperplasiaHyperplastic adrenal glandsUnilateral adrenal hyperplasiaClinical pathological featuresBilateral adrenal hyperplasiaSomatic mutationsNovel somatic mutationsPredominant histologySecondary hypertensionPrimary hyperaldosteronismRetrospective studyAdrenal glandPathological characteristicsMale genderClear cellsCACNA1D mutationsComputed tomographyImportant causeTumorsKCNJ5HyperplasiaAdenomasExome sequencingPathological phenotypes
2013
Ventriculomegaly associated with ependymal gliosis and declines in barrier integrity in the aging human and mouse brain
Shook BA, Lennington JB, Acabchuk RL, Halling M, Sun Y, Peters J, Wu Q, Mahajan A, Fellows DW, Conover JC. Ventriculomegaly associated with ependymal gliosis and declines in barrier integrity in the aging human and mouse brain. Aging Cell 2013, 13: 340-350. PMID: 24341850, PMCID: PMC3954884, DOI: 10.1111/acel.12184.Peer-Reviewed Original ResearchConceptsAged humansPeriventricular tissueVentricle enlargementGlial scarringEpendymal cell lossEpendymal cell liningPeriventricular gliosisReactive gliosisHistological featuresDegenerative lossLateral ventricleGliosisMouse modelVentricular expansionVentricle liningAquaporin-4Barrier integrityEpendymal cellsLateral ventricle surfaceCell lossMouse brainVentriculomegalyCell liningMiceScarring
2011
Parathyroid Four‐Dimensional Computed Tomography: Evaluation of Radiation Dose Exposure During Preoperative Localization of Parathyroid Tumors in Primary Hyperparathyroidism
Mahajan A, Starker LF, Ghita M, Udelsman R, Brink JA, Carling T. Parathyroid Four‐Dimensional Computed Tomography: Evaluation of Radiation Dose Exposure During Preoperative Localization of Parathyroid Tumors in Primary Hyperparathyroidism. World Journal Of Surgery 2011, 36: 1335-1339. PMID: 22146947, DOI: 10.1007/s00268-011-1365-3.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overChildChild, PreschoolFemaleFour-Dimensional Computed TomographyHumansHyperparathyroidism, PrimaryInfantInfant, NewbornMaleMiddle AgedParathyroid NeoplasmsParathyroidectomyPreoperative CareRadiation DosageRadiopharmaceuticalsTechnetium Tc 99m SestamibiTomography, Emission-Computed, Single-PhotonYoung AdultConceptsPrimary hyperparathyroidismFour-dimensional computed tomographyParathyroid tumorsPreoperative localizationThyroid cancerComputed tomographyRadiation doseRadiation exposureSingle-photon emission CTMCi of technetiumSex-dependent risk factorsYear old womanThyroid radiation doseRadiation dose exposurePreoperative imaging modalitiesImaging Performance AssessmentPhoton emission CTCT radiation doseRow CT scannerDetector-row CT scannerPHPT patientsInvasive parathyroidectomyRisk factorsOlder womenBackground radiation exposureOcular Neoplastic Disease
Mahajan A, Crum A, Johnson MH, Materin MA. Ocular Neoplastic Disease. Seminars In Ultrasound CT And MRI 2011, 32: 28-37. PMID: 21277489, DOI: 10.1053/j.sult.2010.12.001.Peer-Reviewed Original ResearchConceptsClinical ophthalmologic examinationOphthalmologic examinationScan ultrasoundCommon imaging appearancesMagnetic resonance imagingOcular metastasisOcular oncologistRetinal detachmentVisual disturbancesFluorescein angiographyMalignant neoplasmsMass lesionImaging appearancesTumor stagingVision lossDiagnostic findingsOcular neoplasmsUveal melanomaNeoplastic diseaseResonance imagingTreatment assessmentNeoplasmsStagingUltrasoundExamination