Parathyroid Glands : Structure , Functions and Pathology

Parathyroid gland is formed by four nodules originated from the third and fourth branchial arches, two at thyroid’s right and left lobes apex and the remaining two on lower poles. Topography variations are common, because they are sometimes located next to larynx with no correlation to thyroid, and can be found up to mediastinum, next to thymus.1 Each gland… (More)