title: Lithium-induced enlargement of a lingual thyroid.
abstract: Lingual thyroid is a rare developmental anomaly. It is the result of failure of the thyroid to descend from the foramen caecum to its prelaryngeal site. Lithium is a known goitrogen, but has never been reported to cause symptomatic enlargement of the lingual thyroid. We describe a 40-year-old woman, who presented with a foreign body sensation and progressive dysphagia caused by an ectopic lingual thyroid tissue measuring 4 cm x 3 cm x 3.5 cm. She had been taking lithium for treatment of bipolar disorder and had hypothyroidism. Her symptoms were relieved after excision of the ectopic thyroid tissue.
authors: Department of Surgery, Lady Hardinge Medical College, University of Delhi, New Delhi 110001, India. nikhil_talwar@rediffmail.com
authors: N
authors: N
authors: Talwar
authors: S
authors: S
authors: Mohan
authors: B
authors: B
authors: Ravi
authors: M
authors: M
authors: Andley
authors: A
authors: A
authors: Kumar
mesh_terms: D000328:Adult; D018692:Antimanic Agents / Q000008:administration & dosage / Q000009:adverse effects*; D001714:Bipolar Disorder / Q000188:drug therapy; D003680:Deglutition Disorders / Q000209:etiology; D005260:Female; D006801:Humans; D007037:Hypothyroidism / Q000188:drug therapy* / Q000209:etiology; D046151:Lingual Thyroid / Q000150:complications / Q000473:pathology*; D018020:Lithium Compounds / Q000008:administration & dosage / Q000009:adverse effects*; D013961:Thyroid Gland / Q000473:pathology*; D013974:Thyroxine / Q000627:therapeutic use; D014059:Tongue / Q000002:abnormalities*
chemical_list: D018692:Antimanic Agents; D018020:Lithium Compounds; D013974:Thyroxine