{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T00:10:30Z","timestamp":1773015030826,"version":"3.50.1"},"reference-count":29,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2026,2,20]],"date-time":"2026-02-20T00:00:00Z","timestamp":1771545600000},"content-version":"vor","delay-in-days":50,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,1,1]],"date-time":"2026-01-01T00:00:00Z","timestamp":1767225600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Case Reports in Pathology"],"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>\n                      Monoclonal gammopathy of undetermined significance (MGUS) is an asymptomatic, premalignant disease with a progression rate of 0.5%\u20131% per year to multiple myeloma. It can rarely present with significant ocular symptoms in the context of crystalline keratopathy, necessitating medical and surgical interventions. Lattice corneal dystrophy Type I (LCD\u20101), a rare inherited disorder caused by mutations of\n                      <jats:italic>TGFBI<\/jats:italic>\n                      , manifests with amyloid deposition within the corneal stroma and causes visual impairment. Here, we pictorially highlight protein deposition using immunofluorescence in two representative cases, both having undergone penetrating keratoplasty for blurry vision.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Medical records were reviewed. Hematoxylin and eosin, special staining, immunohistochemistry, and immunofluorescent techniques were performed. A literature review was performed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Case 1: Eosinophilic accumulations of the cornea were highlighted with PAS\u2010D and IgG\u2010kappa by immunohistochemistry, whereas immunofluorescence (IF) technique demonstrated IgG\u2010kappa (2+) staining in the stroma with rare globules in the epithelium. Case 2: Amorphous, eosinophilic deposits within the corneal stroma were congophilic with apple\u2010green birefringence on polarized light. Thioflavin T highlighted the amyloid through immunofluorescence. Mass spectrometry detected a peptide profile consistent with ATGFBI\u2010type amyloid deposition.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Immunofluorescence can be helpful in the workup of corneal protein deposition, such as MGUS\u2010related crystalline keratopathy and LCD\u20101.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1155\/crip\/2915592","type":"journal-article","created":{"date-parts":[[2026,2,20]],"date-time":"2026-02-20T10:22:51Z","timestamp":1771582971000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Illuminating Blurry Vision: Visualization of Corneal Protein Deposition With Immunofluorescence in Two Illustrative Case Reports"],"prefix":"10.1155","volume":"2026","author":[{"given":"Sena","family":"Zengin","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chaow","family":"Charoenkijkajorn","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David","family":"Warner","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"T. David","family":"Bourne","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daisy","family":"Alapat","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Neriman","family":"Gokden","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Murat","family":"Gokden","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5386-3617","authenticated-orcid":false,"given":"Stephen","family":"Nix","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2026,2,20]]},"reference":[{"key":"e_1_2_10_1_2","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9394(89)90225-0"},{"key":"e_1_2_10_2_2","doi-asserted-by":"publisher","DOI":"10.1177\/11206721231155974"},{"key":"e_1_2_10_3_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00417-023-06297-6"},{"key":"e_1_2_10_4_2","doi-asserted-by":"publisher","DOI":"10.1093\/jnen\/nlae102"},{"key":"e_1_2_10_5_2","doi-asserted-by":"publisher","DOI":"10.1007\/s10792-013-9838-z"},{"key":"e_1_2_10_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcjo.2022.08.011"},{"key":"e_1_2_10_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-9394(99)00358-X"},{"key":"e_1_2_10_8_2","doi-asserted-by":"publisher","DOI":"10.3341\/kjo.2011.25.3.202"},{"key":"e_1_2_10_9_2","first-page":"143","article-title":"Corneal and Conjunctival Deposits in Monoclonal Gammopathy","volume":"18","author":"Cherry P. M.","year":"1983","journal-title":"Canadian Journal of Ophthalmology"},{"key":"e_1_2_10_10_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1755-3768.1983.tb01450.x"},{"key":"e_1_2_10_11_2","doi-asserted-by":"publisher","DOI":"10.3109\/01913129309027800"},{"key":"e_1_2_10_12_2","doi-asserted-by":"publisher","DOI":"10.1097\/ICO.0000000000000307"},{"key":"e_1_2_10_13_2","doi-asserted-by":"publisher","DOI":"10.1080\/13816810.2022.2068040"},{"key":"e_1_2_10_14_2","doi-asserted-by":"publisher","DOI":"10.1097\/ICO.0000000000003247"},{"key":"e_1_2_10_15_2","doi-asserted-by":"publisher","DOI":"10.1097\/00003226-200111000-00014"},{"key":"e_1_2_10_16_2","doi-asserted-by":"publisher","DOI":"10.3126\/nepjoph.v9i1.17537"},{"key":"e_1_2_10_17_2","doi-asserted-by":"publisher","DOI":"10.1097\/ICO.0b013e3181d4f737"},{"key":"e_1_2_10_18_2","first-page":"1678","article-title":"Macular Corneal Dystrophy: Immunochemical Characterization Using Monoclonal Antibodies","volume":"28","author":"SundarRaj N.","year":"1987","journal-title":"Investigative Ophthalmology & Visual Science"},{"key":"e_1_2_10_19_2","doi-asserted-by":"crossref","first-page":"200","DOI":"10.1097\/00003226-198909000-00008","article-title":"Reis-B\u00fccklers\u2032 Corneal dystrophy: Immunofluorescent and Electron Microscopic Studies","volume":"8","author":"Lohse E.","year":"1989","journal-title":"Cornea"},{"key":"e_1_2_10_20_2","doi-asserted-by":"publisher","DOI":"10.1097\/ICO.0b013e3181484013"},{"key":"e_1_2_10_21_2","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9394(78)90230-1"},{"key":"e_1_2_10_22_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0161-6420(88)33200-8"},{"key":"e_1_2_10_23_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.survophthal.2004.10.002"},{"key":"e_1_2_10_24_2","doi-asserted-by":"publisher","DOI":"10.1097\/ICO.0b013e318191449a"},{"key":"e_1_2_10_25_2","doi-asserted-by":"publisher","DOI":"10.7759\/cureus.40978"},{"key":"e_1_2_10_26_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ekir.2018.07.008"},{"key":"e_1_2_10_27_2","doi-asserted-by":"publisher","DOI":"10.1080\/15321819.2024.2306324"},{"key":"e_1_2_10_28_2","doi-asserted-by":"publisher","DOI":"10.1038\/modpathol.2015.1"},{"key":"e_1_2_10_29_2","doi-asserted-by":"publisher","DOI":"10.5812\/nephropathol.7518"}],"container-title":["Case Reports in Pathology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1155\/crip\/2915592","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1155\/crip\/2915592","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1155\/crip\/2915592","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,3,8]],"date-time":"2026-03-08T23:03:37Z","timestamp":1773011017000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1155\/crip\/2915592"}},"subtitle":[],"editor":[{"given":"Suraiya","family":"Saleem","sequence":"additional","affiliation":[],"role":[{"role":"editor","vocabulary":"crossref"}]}],"short-title":[],"issued":{"date-parts":[[2026,1]]},"references-count":29,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2026,1]]}},"alternative-id":["10.1155\/crip\/2915592"],"URL":"https:\/\/doi.org\/10.1155\/crip\/2915592","archive":["Portico"],"relation":{},"ISSN":["2090-6781","2090-679X"],"issn-type":[{"value":"2090-6781","type":"print"},{"value":"2090-679X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,1]]},"assertion":[{"value":"2025-04-27","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-01-16","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-02-20","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}],"article-number":"2915592"}}