Colleen, from Virginia in the United States, suffers from a rare genetic condition called acromegaly or gigantism. The gene caused Charles Byrne, born in 1761 near Cookstown and known as the ...
Biochemical control of acromegaly in noncured patients is usually defined as serum growth hormone (GH) levels <2.0 µg/l, plus normal-for-age serum levels of insulin-like growth factor I (IGF-I).