Right-sided hemiagenesis of the thyroid lobe and isthmus ultrasound case скачать в хорошем качестве

Right-sided hemiagenesis of the thyroid lobe and isthmus ultrasound case

Congenital thyroid anomalies are rare. They may be related to abnormal descent of the thyroid gland or to structural abnormalities in thyroid development, such as hypoplasia or hemiagenesis with or without isthmic agenesis. Unilateral or bilateral hypoplasia or agenesis of one or both thyroid lobes, with or without isthmic agenesis, is a rare developmental anomaly. Hemiagenesis of the left lobe is far commoner than of the right. Clinically, these patients may be euthyroid, hyperthyroid, or hypothyroid. Ultrasonography is usually able to diagnose this condition easily, as we demonstrate in this femal case with an incidentally detected thyroid nodule who was found to have hemiagenesis of the right lobe and isthmus.