ectopic thyroid

• usually connects to normal thyroid

• sites:
  • lingual thyroid
  • thyroglossal duct remnant
  • anterior mediastinum ("retrosternal thyroid")
  • btw trachea and esophagus
  • struma ovarii (teratoma variant)

• use pertechnetate first (rather than I-131) because of lower dose

© 2002, C.E. Kahn, Jr.
2002-04-18