Lateral aberrant thyroid refers to -: (A) Lingual thyroid, (B) Metastatic foci from primary in thyroid, (C) Struma ovarii, (D) Congenital thyroid abnormality
Answer is B. Any thyroid tissue found laterally separate from the thyroid gland, is always considered to be a metastasis in a cervical lymph node, as aberrant thyroid tissue never occurs in a lateral position. Aberrant, thyroid tissues are found along the course of the thyroglossal tract i.e. Lingual* Cervical* or intrathoracic* Also, remember Type of thyroid carcinoma most commonly associated with lateral aberrant thyroid - papillary carcinoma*. Ref : Bailey and Love, 24th/e, p. 777