Fig. 1.
Tc99m scintiscan (a) and surgical specimen (b) obtained after complete thyroidectomy, depicting agenesis of the left thyroid lobe in the patient II:3. Agenesis of the left lobe in the patient II:6 demonstrated by thyroid ultrasound examination (c). d Pedigree of the THA family. Blackened symbols are presenting affected sisters, symbols with an asterisk indicating individuals who were not examined with US. The remaining patients were confirmed to have bilobed thyroid. Individual I:2—neck asymmetry was reported by family members therefore a question mark regarding THA status was used, II:8—thyroidectomy, multinodular goiter III:1—hypothyroidism, Hashimoto’s thyroiditis