Aberrant thyroid tissue may be found in all except:
Lingual thyroid
Thyroglossal ectopic thyroid
Struma ovarii
None
Usually there are 3 places where aberrant thyroid tissues may be formed:
i) Lingual thyroid.
ii) Thyroglossal ectopic thyroid.
iii) Struma Ovarii
Struma Ovarii is an ovarian teratoma in which thyroid tissue may be present. It is malignant.