Functional lingual thyroid in an adolescent female: a case report and brief literature review

Authors

  • AR Roslenda Department of Otorhinolaryngology-Head & Neck Surgery, Universiti Kebangsaan, Malaysia Medical Centre, Kuala Lumpur
  • H Salina Department of Otorhinolaryngology-Head & Neck Surgery, Universiti Kebangsaan, Malaysia Medical Centre, Kuala Lumpur
  • KN Gopalan Ear, Nose & Throat-Head & Neck Consultant Clinic, Lam Wah Ee Hospital, Penang
  • SHA Primuharsa Putra Ear, Nose & Throat-Head & Neck Consultant Clinic, KPJ Seremban Specialist Hospital, Seremban, Negeri Sembilan

DOI:

https://doi.org/10.3329/bjms.v10i3.8370

Keywords:

Lingual thyroid, ectopic thyroid, thyroid gland.

Abstract

Background: Lingual thyroid is a rare clinical entity that represents faulty migration of normal thyroid gland. It commonly presents as a benign mass found at the junction of the anterior two-thirds and posterior one-third of the tongue. Although usually asymptomatic, glandular hypertrophy can cause dysphonia, dysphagia, bleeding, or stridor at any time from infancy through adulthood. We report a case that we encountered, discuss the diagnosis and its management, and review the literature. An otherwise asymptomatic 14 year-old girl presented with a posterior tongue mass that had been present since childhood but was never investigated. She was clinically and biochemically euthyroid, with normal thyroid function tests. Physical examination revealed a smooth, globular mass occupying the whole tongue base and valleculae. The epiglottis was slightly displaced posteriorly but the laryngeal inlet was patent. A 99mTcradioisotope scan showed accumulation of tracer in the tongue base and no uptake in the neck. MRI revealed a 1.8-cm diameter soft tissue mass in the posterior part of the tongue. To date she has not required suppressive therapy or surgical intervention.

Conclusions: Treatment of lingual thyroid depends on patient symptoms. Most importantly, patients should be followed at regular intervals and educated on the possibility of developing complications.

Key words: Lingual thyroid, ectopic thyroid, thyroid gland.

DOI: http://dx.doi.org/10.3329/bjms.v10i3.8370

BJMS 2011; 10(3): 216-219

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How to Cite

Roslenda, A., Salina, H., Gopalan, K., & Putra, S. P. (2011). Functional lingual thyroid in an adolescent female: a case report and brief literature review. Bangladesh Journal of Medical Science, 10(3), 216–219. https://doi.org/10.3329/bjms.v10i3.8370

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Section

Case Reports