Analysis of ghost cells in calcifying cystic odontogenic tumors by confocal laser scanning microscopy

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ObjectiveThe confocal laser scanning microscope represents an effective tool for studying biological samples stained for fluorescence observation. In this study we have used the confocal microscope to analyze ghost cells in calcifying cystic odontogenic tumors.Study designSpecimens from 15 calcifying cystic odontogenic tumor cases were stained with hematoxylin and eosin, and scanned by a confocal laser scanning microscope to generate optically sectioned images.ResultsAll of the analyzed samples presented autofluorescent cells that were identified as ghost cells. The degree of autofluorescence intensity was variable and may be a result of the presence of hard keratin.ConclusionThe confocal laser scanning microscope may be of help in analyzing and defining the nature and extent of keratinization processes in calcifying cystic odontogenic tumor ghost cells.

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