Abstract
Abstract Congenital thyroid abnormalities mostly include unilateral lobar agenesis, with or without involving the isthmus. Here we present only the third case of bilobar thyroid agenesis with residual isthmus as the only functioning thyroid tissue, and the first such case in a pre-pubertal male patient presenting early with a colloid goiter, with features of subclinical hypothyroidism as was evident from his biochemical profile. Subsequent CT scan, followed by radionucleotide scanning revealed hypertrophied isthmus, with empty paratracheal fossae, suggesting the diagnosis as bilobar thyroid agenesis. The child was managed conservatively with thyroxin with encouraging results.
Published Version
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