{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,11]],"date-time":"2026-09-11T01:51:22Z","timestamp":1789091482881,"version":"build-2803163510"},"reference-count":74,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2026,2,19]],"date-time":"2026-02-19T00:00:00Z","timestamp":1771459200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Background\/Objective: Intraoperative frozen section (FS) has long been used in thyroid surgery; however, its routine usefulness has shrunk with high-resolution ultrasound, standardized cytology, and molecular diagnostics. This narrative review synthesizes &gt;20 years of evidence to clarify where FS still adds clinically meaningful value and where it does not. Methods: This study constitutes a narrative review of the contemporary literature spanning more than two decades, integrating prospective and retrospective evidence on FS performance in indeterminate\/suspicious cytology (Bethesda III\u2013V), NIFTP recognition, central compartment lymph nodes in papillary thyroid carcinoma (PTC), and prognostic intraoperative markers in medullary thyroid carcinoma (MTC). It also examines how guidelines and emerging technologies influence intraoperative decision-making. Results: FS shows high specificity but limited sensitivity in Bethesda III\u2013IV and Bethesda V cytology, offering minimal incremental diagnostic help in the settings with greatest preoperative uncertainty. FS cannot diagnose NIFTP because definitive classification requires complete capsular examination, incompatible with intraoperative pathology workflows. The most consistent value is FS of central compartment lymph nodes in PTC: it reliably detects macrometastases, enables real-time tailoring of surgical extent, and may reduce staged completion operations. In MTC, intraoperative assessment of desmoplastic stromal reaction appears promising as a prognostic marker; however, it remains investigational and not yet embedded in standard surgical algorithms. Guidelines internationally therefore de-emphasize routine FS. Meanwhile, evolving tools (quantitative imaging, molecular profiling, AI) are reshaping intraoperative decision-support, increasingly positioning FS as one component of a multimodal framework rather than a standalone arbiter. Conclusions: Routine FS is largely unsupported in modern risk-stratified thyroid practice due to the low sensitivity in key cytologic gray zones and inability to diagnose NIFTP. Its selective strength persists most clearly in central neck lymph-node assessment in PTC, where it can directly change intraoperative management. Future operative strategies will likely treat FS as an adjunct\u2014contextualized and amplified by imaging, molecular data, and AI\u2014rather than as a default diagnostic step.<\/jats:p>","DOI":"10.3390\/jcm15041611","type":"journal-article","created":{"date-parts":[[2026,2,19]],"date-time":"2026-02-19T09:55:31Z","timestamp":1771494931000},"page":"1611","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Current Evidence, Selective Indications, and the Role of Lymph-Node Assessment in Intraoperative Frozen Section in Thyroid Cancer Surgery: A Literature Review"],"prefix":"10.3390","volume":"15","author":[{"given":"Gregorio","family":"Scerrino","sequence":"first","affiliation":[{"name":"Unit of Endocrine Surgery, Department of Surgical Oncological and Oral Sciences, Policlinico \u201cP. Giaccone\u201d, University of Palermo, Via Liborio Giuffr\u00e9 5, 90127 Palermo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3604-0699","authenticated-orcid":false,"given":"Marco","family":"Marciano'","sequence":"additional","affiliation":[{"name":"Unit of General and Emergency Surgery, Department of Surgical Oncological and Oral Sciences, Policlinico \u201cP. Giaccone\u201d, University of Palermo, Via Liborio Giuffr\u00e9 5, 90127 Palermo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-8222-5798","authenticated-orcid":false,"given":"Bianca","family":"Vicari","sequence":"additional","affiliation":[{"name":"Unit of General and Emergency Surgery, Department of Surgical Oncological and Oral Sciences, Policlinico \u201cP. Giaccone\u201d, University of Palermo, Via Liborio Giuffr\u00e9 5, 90127 Palermo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria Aurora","family":"Bullaro","sequence":"additional","affiliation":[{"name":"Unit of General and Emergency Surgery, Department of Surgical Oncological and Oral Sciences, Policlinico \u201cP. Giaccone\u201d, University of Palermo, Via Liborio Giuffr\u00e9 5, 90127 Palermo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Renato","family":"Di Vuolo","sequence":"additional","affiliation":[{"name":"Unit of General and Emergency Surgery, Department of Surgical Oncological and Oral Sciences, Policlinico \u201cP. Giaccone\u201d, University of Palermo, Via Liborio Giuffr\u00e9 5, 90127 Palermo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pierina","family":"Richiusa","sequence":"additional","affiliation":[{"name":"Department of Health Promotion Sciences Maternal and Infantile Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, 90127 Palermo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giuseppina","family":"Orlando","sequence":"additional","affiliation":[{"name":"Unit of General and Emergency Surgery, Department of Surgical Oncological and Oral Sciences, Policlinico \u201cP. Giaccone\u201d, University of Palermo, Via Liborio Giuffr\u00e9 5, 90127 Palermo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1409-4207","authenticated-orcid":false,"given":"Vito","family":"Rodolico","sequence":"additional","affiliation":[{"name":"Department of Health Promotion Sciences Maternal and Infantile Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, 90127 Palermo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9439-3073","authenticated-orcid":false,"given":"Giuseppina","family":"Melfa","sequence":"additional","affiliation":[{"name":"Unit of General and Emergency Surgery, Department of Surgical Oncological and Oral Sciences, Policlinico \u201cP. Giaccone\u201d, University of Palermo, Via Liborio Giuffr\u00e9 5, 90127 Palermo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,2,19]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"699","DOI":"10.1111\/j.1365-2362.2009.02162.x","article-title":"Very high prevalence of thyroid nodules detected by high frequency (13 MHz) ultrasound examination","volume":"39","author":"Guth","year":"2009","journal-title":"Eur. J. Clin. 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