The pyramidal lobe of the thyroid is described as:
A) a small lobe often involved in 30% of cases of thyroid dysfunction.
B) a protrusion of an immature thyroglossal duct cyst overgrowth.
C) a thin upward protrusion of thyroid tissue from the isthmus.
D) a vestige of an embryonic thyroid cyst.

Question

Quizplus · Accepted Answer

The pyramidal lobe,a long,thin projection of thyroid tissue protruding cephalad from the isthmus,is found in about 30% of patients at surgery; it is the vestige of the embryonic thyroglossal duct and migrates from the foramen cecum at the base of the tongue.

The Pyramidal Lobe of the Thyroid Is Described As