Figure 2.

(a) 99mTc MIBI thyroid images showing agenesis (absence of both lobes) of thyroid gland in a hypothyroid child who is on tab thyroxine (b) thyroid hemiagenesis (absence of one of the lobes of thyroid) in a 26-year-old male, confirmed with MIBI thyroid image. (c) rudimentary left lobe with right lobe showing Graves disease (C1 image). (arrow), (c2) sestaMIBI thyroid image in a patient with Downs syndrome on tab thyroxine. Images show intact right lobe and rudimentary left lobe (arrow), (c3) TcO4 thyroid scan showing rudimentary right upper lobe (arrow) in presence of a normal sized left lobe thyroid (toxic nodule) in a 52-year-old lady