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Thyroglossal duct pathology and mimics.

Swapnil Patel1, Alok A Bhatt2

  • 1Department of Imaging Sciences, University of Rochester Medical Center, 601 Elmwood Avenue, P.O. Box 648, Rochester, NY, 14642, USA. swapnil_patel@urmc.rochester.edu.

Insights Into Imaging
|February 7, 2019
PubMed
Summary

Congenital anterior neck masses in children are often thyroglossal duct anomalies. Imaging aids diagnosis, but understanding thyroid embryology is key for accurate assessment and differentiating from other neck masses.

Keywords:
Cystic lesionsEctopic thyroidNeck massThyroglossal duct

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Area of Science:

  • Pediatric Radiology
  • Embryology
  • Head and Neck Surgery

Background:

  • Congenital anterior neck masses are rare pediatric lesions.
  • Thyroglossal duct anomalies, including cysts and ectopic thyroid tissue, are most common.
  • Clinical suspicion often guides diagnosis, but imaging is crucial for confirmation and assessment.

Purpose of the Study:

  • To review the diagnostic role of imaging in congenital anterior neck masses.
  • To highlight the importance of understanding thyroid embryology in diagnosing these lesions.
  • To differentiate congenital anterior neck masses from other potential pathologies.

Main Methods:

  • Review of imaging characteristics (ultrasound, CT, MRI) of congenital anterior neck masses.
  • Correlation of imaging findings with embryologic development of the thyroid.
  • Discussion of differential diagnoses for anterior neck masses in children.

Main Results:

  • Imaging modalities like ultrasound, CT, and MRI can confirm diagnoses and assess the extent of congenital anterior neck masses.
  • Imaging features can sometimes be equivocal, necessitating a strong understanding of embryology.
  • Key embryologic landmarks (foramen cecum, hyoid bone, thyroid cartilage) aid in diagnosis.

Conclusions:

  • Accurate diagnosis of congenital anterior neck masses relies on integrating clinical findings with detailed imaging analysis.
  • A thorough understanding of thyroid embryogenesis is essential for differentiating thyroglossal duct anomalies from other anterior neck masses.
  • Recognizing critical embryologic landmarks improves diagnostic accuracy and aids in surgical planning.