Case Study and Case Report. 2020; 10(3): 32 - 35.

Özturk A, Akyol T, Kayali G. Thyroid hemiagenesis. Case Study and Case Report 2020; 10(3): 32 - 35. ABSTRACT Thyroid hemiagenesis (TH) is a very rare congenital anomaly of the thyroid gland with absence of a lobe. The accurate prevalence of TH is not known because the patiens are usually asymptomatic. Several studies showed that the prevalence of the TH in the normal population is 0.05–0.2%. In this report we present two patients with left thyroid lobe agenesis. The diagnosis of TH can be made by ultrasound (US) in most patients. Key words: Thyroid hemiagenesis, ultrasound, thyroid