Which Statement Is NOT True About the Parathyroid Glands and Parathyroid

Which statement is NOT true about the parathyroid glands and parathyroid adenomas?

A) Approximately 35% of parathyroid glands are ectopic.
B) Ectopic locations for parathyroid glands include the carotid bulb, as well as retroesophageal space, the thymus and perithymic tissues, and within the thyroid gland.
C) Current state-of-the-art color flow imaging of parathyroid adenomas demonstrates intraparenchymal hypervascularization in approximately 90% of cases.
D) Normal cervical structures, such as the longus colli muscle, esophagus, and small extrathyroidal arteries and veins, can mimic parathyroid adenomas.