{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T20:36:46Z","timestamp":1777581406545,"version":"3.51.4"},"reference-count":12,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2023,9,24]],"date-time":"2023-09-24T00:00:00Z","timestamp":1695513600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2023,9,24]],"date-time":"2023-09-24T00:00:00Z","timestamp":1695513600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["European Journal of Ophthalmology"],"published-print":{"date-parts":[[2024,5]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To compare the use of toluidine blue 1% eye drops with anterior segment optical coherence tomography (OCT) for the determination of tumour margins in patients with ocular surface squamous neoplasia (OSSN).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>The study was conducted from July 2020 to June 2021 at the Ocular Oncology department at the Federal University of S\u00e3o Paulo, Brazil. Slit-lamp photographs after toluidine blue staining and OCT of the anterior segment were taken on the same day from patients with OSSN. Photographs and OCT images were analyzed quantitatively using the software ImageJ and IMAGEnet\u00ae, respectively. The agreement between techniques was evaluated qualitatively through the Bland-Altman graph and quantitatively through intraclass correlation (ICC).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>A total of 21 participants (71.43% males) with a clinical diagnosis of OSSN were included in the study. The average\u2009+\u2009SD diameter along the chosen axes was 4.43\u2009\u00b1\u20092.08\u2005mm with OCT of 4.37\u2009\u00b1\u20092.03\u2005mm with toluidine blue, a difference not statistically significant (p\u2009=\u20090.2891). The Bland-Altman analysis indicated a good qualitative agreement between the methods, with all cases inserted within the limits of agreement from \u22120.3217 to 0.4268. The ICC quantitative analysis showed an almost perfect agreement of 99.57% (95%CI: 98.96\u201399.83%; p\u2009&lt;\u20090.001).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Our findings showed that OCT and toluidine eye drops are equivalent in determining margins for tumour measurements, which is particularly relevant in low-income settings where anterior segment OCT is not available. The use of toluidine blue 1% could be an useful alternative to quantify the size of the tumour, help to monitor tumour growth, and outline margins for surgical planning.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/11206721231204188","type":"journal-article","created":{"date-parts":[[2023,9,25]],"date-time":"2023-09-25T00:58:00Z","timestamp":1695603480000},"page":"859-863","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Toluidine blue 1% eye drop versus optical coherence tomography for margin delimitation of ocular surface squamous neoplasia"],"prefix":"10.1177","volume":"34","author":[{"given":"Fl\u00e1via Benchimol","family":"Ferraz","sequence":"first","affiliation":[{"name":"Department of Visual Sciences and Ophthalmology, Federal University of S\u00e3o Paulo, S\u00e3o Paulo, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ana Marisa Pires","family":"Castelo Branco","sequence":"additional","affiliation":[{"name":"Department of Visual Sciences and Ophthalmology, Federal University of S\u00e3o Paulo, S\u00e3o Paulo, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luiz Guilherme Ito","family":"da Cruz","sequence":"additional","affiliation":[{"name":"Department of Visual Sciences and Ophthalmology, Federal University of S\u00e3o Paulo, S\u00e3o Paulo, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bruno F.","family":"Fernandes","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology, Argumento Institute, Boucherville, QC, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Melina Correia","family":"Morales","sequence":"additional","affiliation":[{"name":"Department of Visual Sciences and Ophthalmology, Federal University of S\u00e3o Paulo, S\u00e3o Paulo, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rubens Belfort","family":"Neto","sequence":"additional","affiliation":[{"name":"Department of Visual Sciences and Ophthalmology, Federal University of S\u00e3o Paulo, S\u00e3o Paulo, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7525-1838","authenticated-orcid":false,"given":"Arthur Gustavo","family":"Fernandes","sequence":"additional","affiliation":[{"name":"Department of Visual Sciences and Ophthalmology, Federal University of S\u00e3o Paulo, S\u00e3o Paulo, SP, Brazil"},{"name":"University of 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