Rapid tissue histology using multichannel confocal fluorescence microscopy with focus tracking

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dc.contributor.authorKang, Juehyungko
dc.contributor.authorSong, Incheonko
dc.contributor.authorKim, Hongraeko
dc.contributor.authorKim, Hyunjinko
dc.contributor.authorLee, Sunhyeko
dc.contributor.authorChoi, Yongdooko
dc.contributor.authorChan, Hee Jinko
dc.contributor.authorSohn, Dae Kyungko
dc.contributor.authorYoo, Hongkiko
dc.date.accessioned2019-06-27T08:10:10Z-
dc.date.available2019-06-27T08:10:10Z-
dc.date.created2019-06-25-
dc.date.created2019-06-25-
dc.date.created2019-06-25-
dc.date.issued2018-10-
dc.identifier.citationQUANTITATIVE IMAGING IN MEDICINE AND SURGERY, v.8, no.9, pp.884 - 893-
dc.identifier.issn2223-4292-
dc.identifier.urihttp://hdl.handle.net/10203/262838-
dc.description.abstractBackground: Simplified hematoxylin and eosin (HE) staining followed by cryo-sectioning enables rapid identification of cancerous tissue within the procedure room during Mohs micrographic surgery. Yet, a faster evaluation method is desirable as the staining protocol requires physically sectioning of the tissue after freezing, which leads to prolonged sectioning time along with the frozen artifacts that may occur in frozen sectioning. Methods: We present a multichannel confocal microscopy system to rapidly evaluate cancerous tissue. Using the optical sectioning capability of the confocal microscope, optically sectioned images of the freshly excised mouse tissue were acquired and converted into images resembling HE histology. To show details of the nuclei and structure of the tissue, we applied a newly developed rapid tissue staining method using Hoechst 33342 and Eosin-Y. Line scanning and stitching was performed to overcome the limited field of view of the confocal microscope. Unlike previous confocal systems requiring an additional mechanical device to tilt the sample and match the focus of the objective lens, we developed a focus tracking method to rapidly scan large sample area. The focus tracking provides an effective means of keeping the image of the thick tissue in focus without additional devices. We then evaluated the performance of the confocal microscope to obtain optically sectioned images in thick tissue by comparing fluorescence stained slide images. We also obtained the corresponding HE histology image to assess the potential of the system as a diagnostic tool. Results: We successfully imaged freshly excised mouse organs including stomach, tumor, and heart within a few minutes using the developed multichannel confocal microscopy and the tissue staining method. Using the pseudocolor method, colors of the acquired confocal grayscale images are converted to furthermore resemble Hematoxylin and Eosin histology. Due to the focus tracking and the line scanning, optically sectioned images were obtained over the large field of view. Comparisons with HE histology have shown that the confocal images can acquire large details such as the ventricle as well as small details such as muscle fibers and nuclei. Conclusions: This study confirms the use of confocal fluorescence microscopy technique to acquire rapid pathology results using optical sectioning, line scanning and focus tracking. We anticipate that the presented method will enable intraoperative histology and significantly reduce stress on patients undergoing surgery requiring repeated histology examinations.-
dc.languageEnglish-
dc.publisherAME PUBL CO-
dc.titleRapid tissue histology using multichannel confocal fluorescence microscopy with focus tracking-
dc.typeArticle-
dc.identifier.wosid000448619900001-
dc.identifier.scopusid2-s2.0-85058145870-
dc.type.rimsART-
dc.citation.volume8-
dc.citation.issue9-
dc.citation.beginningpage884-
dc.citation.endingpage893-
dc.citation.publicationnameQUANTITATIVE IMAGING IN MEDICINE AND SURGERY-
dc.identifier.doi10.21037/qims.2018.09.18-
dc.contributor.localauthorYoo, Hongki-
dc.contributor.nonIdAuthorKang, Juehyung-
dc.contributor.nonIdAuthorSong, Incheon-
dc.contributor.nonIdAuthorKim, Hongrae-
dc.contributor.nonIdAuthorKim, Hyunjin-
dc.contributor.nonIdAuthorLee, Sunhye-
dc.contributor.nonIdAuthorChoi, Yongdoo-
dc.contributor.nonIdAuthorChan, Hee Jin-
dc.contributor.nonIdAuthorSohn, Dae Kyung-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorConfocal microscopy-
dc.subject.keywordAuthorfluorescence microscopy-
dc.subject.keywordAuthorpathology-
dc.subject.keywordAuthortissue imaging-
dc.subject.keywordPlusOPTICAL COHERENCE TOMOGRAPHY-
dc.subject.keywordPlusMULTIPHOTON EXCITATION MICROSCOPY-
dc.subject.keywordPlusPLANE ILLUMINATION MICROSCOPY-
dc.subject.keywordPlusIN-VIVO-
dc.subject.keywordPlusCANCER MARGINS-
dc.subject.keywordPlusBREAST-CANCER-
dc.subject.keywordPlusHUMAN SKIN-
dc.subject.keywordPlusREAL-TIME-
dc.subject.keywordPlusBIOPSY-
dc.subject.keywordPlusSPECTROSCOPY-
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