AGENESIS OF ISTHMUS OF THYROID GLAND

Abstract

  The Thyroid gland, a highly vascular endocrine gland is composed of two lateral lobes, connected by a narrow median isthmus which gives H shaped appearance to the gland.A wide range of morphological and developmental variations of thyroid gland like hypoplasia, ectopic thyroid tissue, hemiagenesis or agenesis of thyroid gland has been reported. During routine midline dissection of neck in the department of anatomy, Agenesis of isthmus of thyroid gland was noted.