2012
Increasing Cytotechnologist Workload Above 100 Slides per Day Using the BD FocalPoint GS Imaging System Negatively Affects Screening Performance
Levi AW, Galullo P, Gordy K, Mikolaiski N, Schofield K, Elsheikh TM, Harigopal M, Chhieng DC. Increasing Cytotechnologist Workload Above 100 Slides per Day Using the BD FocalPoint GS Imaging System Negatively Affects Screening Performance. American Journal Of Clinical Pathology 2012, 138: 811-815. PMID: 23161714, DOI: 10.1309/ajcptydd9g2ncumf.Peer-Reviewed Original ResearchMeSH KeywordsCarcinoma, Squamous CellCytodiagnosisDiagnostic ImagingFalse Negative ReactionsFemaleHumansImage Processing, Computer-AssistedMass ScreeningMedical Laboratory PersonnelQuality ControlSensitivity and SpecificityTime FactorsUterine Cervical DysplasiaUterine Cervical NeoplasmsVaginal SmearsWorkloadComparing Two Methods of Detection for Chlamydia trachomatis in Liquid-Based Papanicolaou Tests
Levi AW, Beckman D, Hui P, Schofield K, Harigopal M, Chhieng DC. Comparing Two Methods of Detection for Chlamydia trachomatis in Liquid-Based Papanicolaou Tests. American Journal Of Clinical Pathology 2012, 138: 236-240. PMID: 22904135, DOI: 10.1309/ajcp2b7xqtcnamjp.Peer-Reviewed Original ResearchConceptsHC2 assayBD Viper SystemXTR TechnologyPositive predictive valueDNA assaysLiquid-based Papanicolaou testsNucleic acidsC trachomatisChlamydia trachomatisPredictive valueHybrid Capture 2Reverse transcriptase-polymerase chain reactionChlamydia trachomatis testingTranscriptase-polymerase chain reactionViper SystemComparable specificityCapture 2Papanicolaou testChlamydial infectionCytology samplesMethod of detectionThinPrep specimensTrachomatisAssaysSensitivity rateThe Positive Impact of Simultaneous Implementation of the BD FocalPoint GS Imaging System and Lean Principles on the Operation of Gynecologic Cytology
Wong R, Levi AW, Harigopal M, Schofield K, Chhieng DC. The Positive Impact of Simultaneous Implementation of the BD FocalPoint GS Imaging System and Lean Principles on the Operation of Gynecologic Cytology. Archives Of Pathology & Laboratory Medicine 2012, 136: 183-9. PMID: 22288966, DOI: 10.5858/arpa.2011-0139-oa.Peer-Reviewed Original Research
2011
Implementation of FocalPoint GS location‐guided imaging system
Levi AW, Chhieng DC, Schofield K, Kowalski D, Harigopal M. Implementation of FocalPoint GS location‐guided imaging system. Cancer Cytopathology 2011, 120: 126-133. PMID: 22505211, DOI: 10.1002/cncy.20187.Peer-Reviewed Original ResearchConceptsASC-US casesHR-HPV positive rateLow-risk patient populationHigh-risk human papillomavirusASC-US interpretationsRoutine clinical settingPromising screening toolPap testHuman papillomavirusPapanicolaou testPatient populationBacterial vaginosisDrug AdministrationSIL ratioClinical settingScreening toolDiagnostic categoriesLaboratory information systemGynecologic cytologyPrimary screeningSignificant increaseFalse negative fractionPositive rateHigh percentageCurrent studyUse of high‐risk human papillomavirus testing in patients with low‐grade squamous intraepithelial lesions
Levi AW, Harigopal M, Hui P, Schofield K, Chhieng DC. Use of high‐risk human papillomavirus testing in patients with low‐grade squamous intraepithelial lesions. Cancer Cytopathology 2011, 119: 228-234. PMID: 21732551, DOI: 10.1002/cncy.20172.Peer-Reviewed Original ResearchConceptsLow-grade squamous intraepithelial lesionsHR-HPV testingHPV testingCIN 2Colposcopy rateHR-HPVRelative light units/cutoffCervical intraepithelial neoplasia 2High-risk human papillomavirusHR-HPV statusRLU/COIntraepithelial neoplasia 2Hybrid Capture 2Squamous intraepithelial lesionsCIN 1 lesionsLarge teaching hospitalNegative predictive valueLSIL cytologyHPV statusIntraepithelial lesionsCapture 2Human papillomavirusTeaching hospitalCytologic diagnosisSevere lesionsComparison of Affirm VPIII and Papanicolaou Tests in the Detection of Infectious Vaginitis
Levi AW, Harigopal M, Hui P, Schofield K, Chhieng DC. Comparison of Affirm VPIII and Papanicolaou Tests in the Detection of Infectious Vaginitis. American Journal Of Clinical Pathology 2011, 135: 442-447. PMID: 21350100, DOI: 10.1309/ajcp7tbn5vzuglzu.Peer-Reviewed Original ResearchConceptsAffirm VPIIIPap testPapanicolaou testRoutine Pap testRoutine Papanicolaou testCandida speciesSensitive diagnostic testInfectious vaginitisLarge academic institutionPatient populationTrichomonas infectionBacterial vaginosisCandida vaginitisG vaginalisT vaginalisStudy populationHigh incidenceDiagnostic testsMolecular testsPatientsVaginitisVaginalisMorphologic identificationVaginosisCandidiasis
2004
Comparison of human papillomavirus DNA prevalence in atypical squamous cells of undetermined significance subcategories as defined by the original Bethesda 1991 and the new Bethesda 2001 Systems.
Pirog EC, Erroll M, Harigopal M, Centeno BA. Comparison of human papillomavirus DNA prevalence in atypical squamous cells of undetermined significance subcategories as defined by the original Bethesda 1991 and the new Bethesda 2001 Systems. Archives Of Pathology & Laboratory Medicine 2004, 128: 527-32. PMID: 15086283, DOI: 10.5858/2004-128-527-cohpdp.Peer-Reviewed Original ResearchConceptsAtypical squamous cellsHigh-grade squamous intraepithelial lesionsTBS 2001Squamous intraepithelial lesionsSquamous cellsASCUS casesIntraepithelial lesionsIndividual morphologic featuresMorphologic featuresHPV DNAHPV detectionPap testAtypical cellsUndetermined significanceBroad-spectrum HPV DNA amplificationControl groupHuman papillomavirus (HPV) DNA prevalenceASC-H casesBethesda 2001 systemPrevalence of HPVThinPrep Pap testsHPV DNA amplificationHuman papillomavirus DNAPanel of pathologistsBethesda System 2001