Titze, Ulf and Sommerkamp, Johannes and Stege, Clara and Schneider, Fried and Brochhausen, Christoph and Schulz, Birte and Titze, Barbara and Abd Ali, Furat and Pokupic, Sasa and Sievert, Karl-Dietrich and Hansen, Torsten (2022) Ex Vivo Fluorescence Confocal Microscopy (FCM) Ensures Representative Tissue in Prostate Cancer Biobanking: A Feasibility Study. INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, 23 (20): 12103. ISSN 1661-6596, 1422-0067
Full text not available from this repository. (Request a copy)Abstract
Background: Biobanking of prostate carcinoma is particularly challenging due to the actual cancer within the organ often without clear margins. Frozen sections are to date the only way to examine the biobank material for its tumor content. We used ex vivo fluorescence confocal microscopy (FCM) to analyze biobank samples prior to cryoasservation. Methods: 127 punch biopsies were acquired from prostatectomy-specimens from 40 patients. These biopsies were analyzed with a Vivascope 2500-G4 prior to their transfer to the biobank. In difficult cases, larger samples of the prostatectomy specimens were FCM scanned in order to locate tumor foci. After patient acquisition, all samples were taken from the biobank and analyzed. We compared the results of the FCM examinations with the results of conventional histology and measured the DNA content. Results: With upstream FCM, the tumor content of biobank samples could be determined with high confidence. The detection rate of representative biobank samples was increased due to the rapid feedback. The biobank samples were suitable for further molecular analysis. Conclusion: FCM allows for the first time lossless microscopic analysis of biobank samples prior to their cryoasservation and guarantees representative tumor and normal tissue for further molecular analysis.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ACRIDINE-ORANGE; SPECIMENS; biobanking; prostate cancer (PCa); fluorescence confocal microscopy (FCM); digital medicine; cryoasservation; targeted sampling |
| Subjects: | 600 Technology > 610 Medical sciences Medicine |
| Divisions: | Medicine > Lehrstuhl für Pathologie |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 14 Feb 2024 09:29 |
| Last Modified: | 14 Feb 2024 09:29 |
| URI: | https://pred.uni-regensburg.de/id/eprint/57356 |
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