{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,4,3]],"date-time":"2025-04-03T04:10:39Z","timestamp":1743653439760,"version":"3.40.3"},"reference-count":23,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2025,2,25]],"date-time":"2025-02-25T00:00:00Z","timestamp":1740441600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Diagnostic Cytopathology"],"published-print":{"date-parts":[[2025,5]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>Basaloid salivary gland neoplasms (BSNs) are notoriously difficult to classify in fine needle aspiration (FNA) specimens due to the morphologic overlap of benign and malignant entities. Adenoid cystic carcinoma (AdCC) represents a particular diagnostic challenge, as it typically shows low\u2010grade cytologic features despite its aggressive clinical behavior. We examined whether the proliferation markers Ki\u201067 and PHH3 could help predict malignancy in BSNs.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A retrospective search was conducted to identify FNA cases of BSNs that had adequate tumor cellularity in the cell block and a subsequent excision specimen. Ki\u201067 and PHH3 immunohistochemical stains were performed. Aperio (Leica Biosystems) was used to calculate the percentage of tumor cell nuclear expression. Proliferation scores and final histopathologic diagnoses were correlated using a two\u2010sided <jats:italic>p<\/jats:italic>\u2010value test.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Ten benign and 14 malignant basaloid neoplasms were analyzed. Benign cases showed low mean percentages of tumor cell staining for Ki\u201067 (1.14%) and PHH3 (0.84%), while malignant cases showed significantly higher mean percentages, especially with Ki\u201067 (19% for low\u2010grade malignancies and 25.5% for high\u2010grade malignancies). The difference in proliferation marker scores between the benign and low\u2010grade malignant cases showed statistical significance for both Ki\u201067 (<jats:italic>p<\/jats:italic>\u2009=\u20090.0041) and PHH3 (<jats:italic>p<\/jats:italic>\u2009=\u20090.00397). The difference between benign entities and AdCC was also statistically significant for Ki\u201067 (<jats:italic>p<\/jats:italic>\u2009=\u20090.0013) and PHH3 (<jats:italic>p<\/jats:italic>\u2009=\u20090.002).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Ki\u201067 and PHH3 analysis in cell block material may help predict malignancy in a cytologic specimen from a BSN, offering a valuable ancillary tool for cases with cytomorphologic ambiguity. In particular, the ability to suggest a sample is more likely to be AdCC rather than another morphologically similar low\u2010grade BSN would be helpful for surgical planning.<\/jats:p><\/jats:sec>","DOI":"10.1002\/dc.25453","type":"journal-article","created":{"date-parts":[[2025,2,26]],"date-time":"2025-02-26T06:40:24Z","timestamp":1740552024000},"page":"238-245","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Utility of Proliferation Markers Ki\u201067 and <scp>PHH3<\/scp> in Predicting Malignancy in Basaloid Salivary Gland Neoplasms: A Study Using Digital Image Analysis of Cytology Cell Blocks"],"prefix":"10.1002","volume":"53","author":[{"given":"Yanki","family":"Yarman","sequence":"first","affiliation":[{"name":"Sidney Kimmel Medical College at Thomas Jefferson University  Philadelphia Pennsylvania USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert","family":"Post","sequence":"additional","affiliation":[{"name":"Department of Pathology and Genomic Medicine Thomas Jefferson University Hospital  Philadelphia Pennsylvania USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zachary","family":"Breslin","sequence":"additional","affiliation":[{"name":"Sidney Kimmel Medical College at Thomas Jefferson University  Philadelphia Pennsylvania USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Charalambos C.","family":"Solomides","sequence":"additional","affiliation":[{"name":"Department of Pathology and Genomic Medicine Thomas Jefferson University Hospital  Philadelphia Pennsylvania USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2780-1866","authenticated-orcid":false,"given":"Stacey M.","family":"Gargano","sequence":"additional","affiliation":[{"name":"Department of Pathology and 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