{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,5]],"date-time":"2026-06-05T04:49:45Z","timestamp":1780634985590,"version":"3.54.1"},"reference-count":17,"publisher":"BMJ","issue":"6","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2019,2,12]]},"published-print":{"date-parts":[[2019,6]]},"abstract":"<jats:p>We report a 35-year-old woman with complaints of nasal obstruction and mild post-nasal drip for 6 months. She did not improve with medical treatment. Clinical examination had no positive finding. She was evaluated with a CT scan and MRI that revealed a polypoid mass lesion in nasopharynx without any adhesion to adjacent tissue. Endoscopic examination of nasopharynx revealed an exophytic nasopharyngeal mass in anterior wall of nasopharynx that complete macroscopic transnasal endoscopic resection was performed. The histopathological examination reported thyroid-like low-grade nasopharyngeal papillary adenocarcinoma that was confirmed on immunohistochemical staining. After complete macroscopic resection of the mass, patient was regularly followed-up for 6 years and there was no evidence of recurrence. This example has the educational tips of the optimal therapeutic strategies for primary nasopharyngeal adenocarcinomas with long follow-up.<\/jats:p>","DOI":"10.1136\/bcr-2018-226949","type":"journal-article","created":{"date-parts":[[2019,6,8]],"date-time":"2019-06-08T12:25:11Z","timestamp":1559996711000},"page":"e226949","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":4,"title":["Thyroid-like low-grade papillary adenocarcinoma of nasopharynx"],"prefix":"10.1136","volume":"12","author":[{"given":"Ainaz","family":"Sourati","sequence":"first","affiliation":[{"name":"Radiation Oncology of Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mona","family":"Malekzadeh","sequence":"additional","affiliation":[{"name":"Department of Radiation-Oncology, Shohada-e Tajrish Hospital, Tehran, Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Azadeh","family":"Rakhshan","sequence":"additional","affiliation":[{"name":"Department of Pathology, Shohada-e Tajrish Hospital, Tehran, Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2019,6,8]]},"reference":[{"key":"2025082708130077000_12.6.e226949.1","article-title":"Review of the histological classification of nasopharyngeal carcinoma","volume":"1","author":"Li","year":"2014","journal-title":"J Nasopharyng Carcinoma"},{"key":"2025082708130077000_12.6.e226949.2","doi-asserted-by":"crossref","first-page":"693","DOI":"10.3892\/mco.2016.1056","article-title":"Thyroid-like low-grade nasopharyngeal papillary adenocarcinoma: a case report","volume":"5","author":"Horino","year":"2016","journal-title":"Mol Clin Oncol"},{"key":"2025082708130077000_12.6.e226949.3","doi-asserted-by":"crossref","first-page":"518","DOI":"10.4103\/0377-4929.191809","article-title":"Low-grade papillary adenocarcinoma of nasopharynx with expression of thyroid transcription factor-1: case report and review of literature","volume":"59","author":"Rajeswari","year":"2016","journal-title":"Indian J Pathol Microbiol"},{"key":"2025082708130077000_12.6.e226949.4","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1016\/j.humpath.2017.05.020","article-title":"Thyroid-like low-grade nasopharyngeal papillary adenocarcinoma with squamous differentiation: a novel histological finding","volume":"70","author":"Oide","year":"2017","journal-title":"Hum Pathol"},{"key":"2025082708130077000_12.6.e226949.5","doi-asserted-by":"crossref","first-page":"1142","DOI":"10.1016\/j.prp.2014.04.020","article-title":"Thyroid-like low-grade nasopharyngeal papillary adenocarcinoma: case report and literature review","volume":"210","author":"Oishi","year":"2014","journal-title":"Pathol Res Pract"},{"key":"2025082708130077000_12.6.e226949.6","doi-asserted-by":"crossref","first-page":"107","DOI":"10.1111\/j.1440-1827.2009.02480.x","article-title":"Thyroid-like low-grade nasopharyngeal papillary adenocarcinoma: report of two cases","volume":"60","author":"Ohe","year":"2010","journal-title":"Pathol Int"},{"key":"2025082708130077000_12.6.e226949.7","doi-asserted-by":"crossref","unstructured":"Li L , Zhou F , Lin F , et al . 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