Feasibility of moxifloxacin and proflavine dual fluorescence imaging for detecting gastrointestinal neoplastic lesions : A prospective study
Abstract Objectives High‐contrast and high‐resolution imaging techniques would enable real‐time sensitive detection of the gastrointestinal lesions. This study aimed to investigate the feasibility of novel dual fluorescence imaging using moxifloxacin and proflavine in the detection of neoplastic lesions of the human gastrointestinal tract. Methods Patients with the colonic and gastric neoplastic lesions were prospectively enrolled. The lesions were biopsied with forceps or endoscopically resected. Dual fluorescence imaging was performed by using custom axially swept wide‐field fluorescence microscopy after topical moxifloxacin and proflavine instillation. Imaging results were compared with both confocal imaging with cell labeling and conventional histological examination. Results Ten colonic samples (one normal mucosa, nine adenomas) from eight patients and six gastric samples (one normal mucosa, five adenomas) from four patients were evaluated. Dual fluorescence imaging visualized detail cellular structures. Regular glandular structures with polarized cell arrangement were observed in normal mucosa. Goblet cells were preserved in normal colonic mucosa. Irregular glandular structures with scanty cytoplasm and dispersed elongated nuclei were observed in adenomas. Goblet cells were scarce or lost in the colonic lesions. Similarity analysis between moxifloxacin and proflavine imaging showed relatively high correlation values in adenoma compared with those in normal mucosa. Dual fluorescence imaging showed good detection accuracies of 82.3% and 86.0% in the colonic and the gastric lesions, respectively. Conclusions High‐contrast and high‐resolution dual fluorescence imaging was feasible for obtaining detail histopathological information in the gastrointestinal neoplastic lesions. Further studies are needed to develop dual fluorescence imaging as an in vivo real‐time visual diagnostic method..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:55 |
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| Enthalten in: |
Lasers in Surgery and Medicine - 55(2023), 4, Seite 378-389 |
| Beteiligte Personen: |
Nam, Kwangwoo [VerfasserIn] |
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| Anmerkungen: |
© 2023 Wiley Periodicals LLC. |
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| Umfang: |
12 |
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| doi: |
10.1002/lsm.23640 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
WLY016343980 |
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| 520 | |a Abstract Objectives High‐contrast and high‐resolution imaging techniques would enable real‐time sensitive detection of the gastrointestinal lesions. This study aimed to investigate the feasibility of novel dual fluorescence imaging using moxifloxacin and proflavine in the detection of neoplastic lesions of the human gastrointestinal tract. Methods Patients with the colonic and gastric neoplastic lesions were prospectively enrolled. The lesions were biopsied with forceps or endoscopically resected. Dual fluorescence imaging was performed by using custom axially swept wide‐field fluorescence microscopy after topical moxifloxacin and proflavine instillation. Imaging results were compared with both confocal imaging with cell labeling and conventional histological examination. Results Ten colonic samples (one normal mucosa, nine adenomas) from eight patients and six gastric samples (one normal mucosa, five adenomas) from four patients were evaluated. Dual fluorescence imaging visualized detail cellular structures. Regular glandular structures with polarized cell arrangement were observed in normal mucosa. Goblet cells were preserved in normal colonic mucosa. Irregular glandular structures with scanty cytoplasm and dispersed elongated nuclei were observed in adenomas. Goblet cells were scarce or lost in the colonic lesions. Similarity analysis between moxifloxacin and proflavine imaging showed relatively high correlation values in adenoma compared with those in normal mucosa. Dual fluorescence imaging showed good detection accuracies of 82.3% and 86.0% in the colonic and the gastric lesions, respectively. Conclusions High‐contrast and high‐resolution dual fluorescence imaging was feasible for obtaining detail histopathological information in the gastrointestinal neoplastic lesions. Further studies are needed to develop dual fluorescence imaging as an in vivo real‐time visual diagnostic method. | ||
| 700 | 1 | |a Park, Noseong |4 aut | |
| 700 | 1 | |a Lee, Seunghun |4 aut | |
| 700 | 1 | |a Jeon, Suil |4 aut | |
| 700 | 1 | |a Lee, Jungbin |4 aut | |
| 700 | 1 | |a Hong, Seung‐Mo |4 aut | |
| 700 | 1 | |a Hwang, Sung Wook |4 aut | |
| 700 | 1 | |a Park, Sang Hyoung |4 aut | |
| 700 | 1 | |a Yang, Dong‐Hoon |4 aut | |
| 700 | 1 | |a Ye, Byong Duk |4 aut | |
| 700 | 1 | |a Byeon, Jeong‐Sik |4 aut | |
| 700 | 1 | |a Yang, Suk‐Kyun |4 aut | |
| 700 | 1 | |a Lee, Jeong Hoon |4 aut | |
| 700 | 1 | |a Kim, Do Hoon |4 aut | |
| 700 | 1 | |a Kim, Ki Hean |4 aut | |
| 700 | 1 | |a Myung, Seung‐Jae |4 aut | |
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