Giantism is a rare endocrine disorder caused by excessive secretion of growth hormone (GH) during childhood. Giantism is the result of somatotropic cells hyperplasia and it's characterized by abnormal length and height .
An endocrinologist is a doctor who specializes in diseases of hormones, metabolism, and nutritional problems. Treats conditions such as diabetes, thyroid disorders, growth problems, osteoporosis and hormonal imbalances. It is advisable to see an endocrinologist if you have symptoms such as unexplained fatigue, weight changes, growth problems, menstrual disorders or if you have a previous diagnosis of an endocrine disease.
Remember that for the proper selection of health professional that treats giantism you must consider the nature, severity and symptoms you are presenting.