Analysis of loss of heterozygosity in atypical and negative bile duct brushing cytology specimens with malignant outcome: are "false-negative" cytologic findings a representation of morphologically subtle molecular alterations?
Krishnamurti U, Sasatomi E, Swalsky P, Finkelstein S, Ohori N. Analysis of loss of heterozygosity in atypical and negative bile duct brushing cytology specimens with malignant outcome: are "false-negative" cytologic findings a representation of morphologically subtle molecular alterations? Archives Of Pathology & Laboratory Medicine 2007, 131: 74-80. PMID: 17227126, DOI: 10.5858/2007-131-74-aolohi.Peer-Reviewed Original ResearchConceptsK-ras mutationsBile duct brushingsLoss of heterozygosityMalignant outcomeFractional allelic lossDuct brushingsCytology casesAllelic lossMolecular alterationsBile duct brushing cytologyPilot studyConventional cytologic evaluationSurgical pathology specimenCorresponding surgical specimensDuct brushing cytologySurgical pathology specimensDetection of malignancySubtle molecular alterationsSurgical outcomesSurgical specimenPathology specimenCytologic findingsSurgical specimensBrushing cytologyCytologic evaluation