Bilobar Thyroid Agenesis: Rare Case

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Bilobar thyroid agenesis is a quite rare congenital anomaly which occurs because of the defects or genetic factors , during the embryological development of thyroid tissue. Although it is usually detected incidentally, symptoms like nutrition disorders, cold and dry skin, constipation, lethargy and growth retardation in childhood may lead to diagnosis. In patients with thyroid agenesis, hypothalamic-pituitary-throid axis works in a different way and combination of hypothyroidism and other thyroid disorders are seen more frequently. Females are more commonly affected than males (3:1 ratio), and the cases are frequently in the form of thyroid hemiagenesis of left lobe. We present a 27 years-old female patient who has been suffering from hand tremor, sweating and lethargy since about 2 years old that detected bilobar thyroid agenesis after laboratorial and radiological workup, in this paper.