Ectopic thyroid tissue in the airway: a case report

Abstract Background Ectopic thyroid tissue (ETT) is a rare congenital anomaly caused by the abnormal embryonic migration of thyroid tissue, leading to its presence outside its usual pretracheal location. This condition can lead to diagnostic challenges, especially when located within the airway, as...

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Main Authors: Qun Zhang, Lin Zhou, Wei Li, Yanling Xu
Format: Article
Language:English
Published: BMC 2025-01-01
Series:BMC Pulmonary Medicine
Subjects:
Online Access:https://doi.org/10.1186/s12890-025-03514-2
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author Qun Zhang
Lin Zhou
Wei Li
Yanling Xu
author_facet Qun Zhang
Lin Zhou
Wei Li
Yanling Xu
author_sort Qun Zhang
collection DOAJ
description Abstract Background Ectopic thyroid tissue (ETT) is a rare congenital anomaly caused by the abnormal embryonic migration of thyroid tissue, leading to its presence outside its usual pretracheal location. This condition can lead to diagnostic challenges, especially when located within the airway, as it mimics other respiratory disorders such as asthma. Case presentation We report the case of a 69-year-old man with endotracheal ETT presenting with severe dyspnea, and the lesion was initially suspected to be malignant. The diagnosis of ETT was confirmed through bronchoscopy and histopathological examination. The patient underwent successful endoscopic interventional therapy, resulting in significant symptom improvement and complete resolution of the airway lesion. Conclusion Although rare, ETT should be considered in the differential diagnosis of unexplained respiratory symptoms to prevent misdiagnosis and permit effective, minimally invasive treatment options such as endoscopic resection, which can significantly improve patient outcomes.
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issn 1471-2466
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publisher BMC
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series BMC Pulmonary Medicine
spelling doaj-art-1907e1bb2e334846b5f48509895181022025-02-02T12:06:40ZengBMCBMC Pulmonary Medicine1471-24662025-01-012511610.1186/s12890-025-03514-2Ectopic thyroid tissue in the airway: a case reportQun Zhang0Lin Zhou1Wei Li2Yanling Xu3Department of Respiratory Medicine, The Second Hospital of Jilin UniversityDepartment of Cardiovascular Medicine, The Second Hospital of Jilin UniversityDepartment of Respiratory Medicine, The Second Hospital of Jilin UniversityDepartment of Respiratory Medicine, The Second Hospital of Jilin UniversityAbstract Background Ectopic thyroid tissue (ETT) is a rare congenital anomaly caused by the abnormal embryonic migration of thyroid tissue, leading to its presence outside its usual pretracheal location. This condition can lead to diagnostic challenges, especially when located within the airway, as it mimics other respiratory disorders such as asthma. Case presentation We report the case of a 69-year-old man with endotracheal ETT presenting with severe dyspnea, and the lesion was initially suspected to be malignant. The diagnosis of ETT was confirmed through bronchoscopy and histopathological examination. The patient underwent successful endoscopic interventional therapy, resulting in significant symptom improvement and complete resolution of the airway lesion. Conclusion Although rare, ETT should be considered in the differential diagnosis of unexplained respiratory symptoms to prevent misdiagnosis and permit effective, minimally invasive treatment options such as endoscopic resection, which can significantly improve patient outcomes.https://doi.org/10.1186/s12890-025-03514-2Ectopic thyroid tissueAirway obstructionDiagnosisTreatmentCase report
spellingShingle Qun Zhang
Lin Zhou
Wei Li
Yanling Xu
Ectopic thyroid tissue in the airway: a case report
BMC Pulmonary Medicine
Ectopic thyroid tissue
Airway obstruction
Diagnosis
Treatment
Case report
title Ectopic thyroid tissue in the airway: a case report
title_full Ectopic thyroid tissue in the airway: a case report
title_fullStr Ectopic thyroid tissue in the airway: a case report
title_full_unstemmed Ectopic thyroid tissue in the airway: a case report
title_short Ectopic thyroid tissue in the airway: a case report
title_sort ectopic thyroid tissue in the airway a case report
topic Ectopic thyroid tissue
Airway obstruction
Diagnosis
Treatment
Case report
url https://doi.org/10.1186/s12890-025-03514-2
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AT linzhou ectopicthyroidtissueintheairwayacasereport
AT weili ectopicthyroidtissueintheairwayacasereport
AT yanlingxu ectopicthyroidtissueintheairwayacasereport