Algorithm for the diagnosis of acromegaly

IGF-1: insulin-like growth factor-1; OGTT: oral glucose tolerance test; GH: growth hormone; MRI: magnetic resonance imaging; CT: computed tomography: GHRH: growth hormone-releasing hormone.

Adapted from: Melmed S, Anterior pituitary. In: Current Practice of Medicine, Korenman S (Ed), 1996.

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