Acromegaly is caused by prolonged overproduction of GH by the pituitary gland.
Acromegaly is a disease caused by an abnormal increase in growth hormones after puberty. The bones get thicker, and the lips, nose, jaw, and tongue get larger. Life expectancy is generally shorter in people with acromegaly than in those without. Acromegaly is usually caused by a tumor of the pituitary gland. It is usually treated by surgical resection and radiation therapy, but tumors often reoccur.
Acromegaly is a disease, so you could write something like this: "Acromegaly is a hereditary disease which concerns the extremities of the body".
Acromegaly is the result of hypersecretion of growth hormone
It could be gigantism or acromegaly. A catch-all term for these diseases (and others like them) is Overgrowth syndrome.
Overproduction of growth hormone (somatotropin) causes a disorder characterized by disproportionate over growth of bone, specifically in the skull, jaw, feet and hands. This disorder is called acromegaly
In children (where the epiphyseal growth plate has not fused yet), it can lead to gigantism In adults (closed epiphyseal growth plate in bones), it leads to acromegaly.
Maybe because his incredible height was caused by pituitary gigantism and that disorder often leads to acromegaly (although not necessarily).