{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T03:58:14Z","timestamp":1777694294865,"version":"3.51.4"},"reference-count":12,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2026,1,1]],"date-time":"2026-01-01T00:00:00Z","timestamp":1767225600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/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":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/501100011826","name":"Gonabad University of Medical Sciences","doi-asserted-by":"publisher","award":["1555"],"award-info":[{"award-number":["1555"]}],"id":[{"id":"10.13039\/501100011826","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Clin Med Insights Case Rep"],"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Olfactory nerve schwannomas are sporadic, benign neurogenic tumors arising from Schwann cells within the olfactory pathway. Their clinical presentation is typically nonspecific, and diagnosis often requires careful radiologic and histopathologic evaluation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Case presentation:<\/jats:title>\n                    <jats:p>We describe a 19-year-old male patient with an olfactory schwannoma that was incidentally discovered during evaluation for head trauma. The patient was asymptomatic, with preserved olfactory function.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Management and results:<\/jats:title>\n                    <jats:p>The patient underwent complete surgical excision via bifrontal craniotomy. Immunohistochemical staining demonstrated positivity for S100, CD34, and Bcl-2, and negativity for GFAP and EMA, confirming the diagnosis of schwannoma. The postoperative course was uneventful, with full preservation of olfactory nerve function, and the patient was discharged in stable condition on postoperative day 7.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>This case highlights the clinical significance of recognizing olfactory schwannomas, which may be discovered incidentally. Comprehensive imaging and histopathological evaluation are crucial for accurate diagnosis. Early detection and total resection contribute to favorable neurological outcomes in asymptomatic patients.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/11795476251407356","type":"journal-article","created":{"date-parts":[[2026,1,29]],"date-time":"2026-01-29T04:47:18Z","timestamp":1769662038000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Incidentally Found Olfactory Schwannoma: A Rare Case Report"],"prefix":"10.1177","volume":"19","author":[{"given":"Mahdi","family":"Mohsenzadeh","sequence":"first","affiliation":[{"name":"Clinical Research Development Unit, Bohlool Hospital, Gonabad University of Medical Sciences, Iran"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6808-7216","authenticated-orcid":false,"given":"Fatemeh","family":"Pouladkhay","sequence":"additional","affiliation":[{"name":"Department of Operating Room, School of Paramedical Sciences, Gonabad University of Medical Sciences, Iran"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2026,1,28]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.inat.2020.100726"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.14791\/btrt.2015.3.1.56"},{"issue":"3","key":"e_1_3_3_4_2","article-title":"Olfactory nerve schwannoma: a case report and review of the literature","volume":"4","author":"Taha MM","year":"2018","unstructured":"Taha MM, AlBakry A, ElSheikh M, AbdelBary TH. Olfactory nerve schwannoma: a case report and review of the literature. Surg J. 2018;4(3):e164-e166.","journal-title":"Surg J"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.3340\/jkns.2009.45.2.103"},{"issue":"6","key":"e_1_3_3_6_2","article-title":"A spectrum of histomorphological and immunohistochemical expression profiles of S-100, CD56 and Calretinin in benign peripheral nerve sheath tumours","volume":"15","author":"Jaiswal P","year":"2023","unstructured":"Jaiswal P, Anand C, John JJ. A spectrum of histomorphological and immunohistochemical expression profiles of S-100, CD56 and Calretinin in benign peripheral nerve sheath tumours. Cureus.\u20092023;15(6):e40751.","journal-title":"Cureus"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jocn.2020.09.008"},{"issue":"2","key":"e_1_3_3_8_2","first-page":"3947","article-title":"Case report olfactory schwannoma mimicking esthesioneuroblastoma: case report and review of the literature","volume":"10","author":"Shao Y","year":"2017","unstructured":"Shao Y, Yuan D, Wang J. Case report olfactory schwannoma mimicking esthesioneuroblastoma: case report and review of the literature. Int J Clin Exp Med. 2017;10(2):3947-4395.","journal-title":"Int J Clin Exp Med"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","unstructured":"Hodler J Kubik-Huch RA Von Schulthess GK. Diseases of the brain head and neck spine 2020\u20132023. 2020. doi:10.1007\/978-3-030-38490-6","DOI":"10.1007\/978-3-030-38490-6"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1007\/BF02850308"},{"key":"e_1_3_3_11_2","doi-asserted-by":"publisher","DOI":"10.1177\/1971400915595581"},{"issue":"6","key":"e_1_3_3_12_2","first-page":"279","article-title":"Nervus terminalis (cranial nerve zero) in the adult human","volume":"9","author":"Fuller G","year":"1990","unstructured":"Fuller G, neuropathology PBC. Nervus terminalis (cranial nerve zero) in the adult human. Clin Neuropathol.\u20091990;9(6):279-283.","journal-title":"Clin Neuropathol"},{"key":"e_1_3_3_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.wneu.2017.10.045"}],"container-title":["Clinical Medicine Insights: Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/11795476251407356","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/11795476251407356","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/11795476251407356","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T09:14:50Z","timestamp":1777454090000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/11795476251407356"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,1]]},"references-count":12,"alternative-id":["10.1177\/11795476251407356"],"URL":"https:\/\/doi.org\/10.1177\/11795476251407356","relation":{},"ISSN":["1179-5476","1179-5476"],"issn-type":[{"value":"1179-5476","type":"print"},{"value":"1179-5476","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,1]]},"article-number":"11795476251407356"}}