Gigantism is a very rare condition that happens when a child or adolescent has high levels of growth hormone in their body, which causes them to grow very tall. Gigantism is treatable, but early …

Gigantism (/ dʒaɪˈɡæntɪzəm / jy-GAN-tiz-əm; from Ancient Greek: γίγας, romanized: gígās, lit. ' giant ', plural: γίγαντες, gígantes), also known as giantism, is a condition characterized by excessive growth …

Jan 14, 2026 · Gigantism, also called pituitary gigantism, is a very rare condition in which a child has high levels of growth hormone, causing abnormal growth, especially in height.

Gigantism is caused by genetic mutations, also known as pathogenic variants. Genetic mutations can be hereditary, when parents pass them down to their children, or they may occur randomly when cells …

Jun 27, 2018 · Gigantism is a rare condition that causes abnormal growth in children. It occurs when your child’s body produces far too much growth hormone. We’ll explain the causes of gigantism, how …

Gigantism and acromegaly are conditions caused by of excessive secretion of growth hormone (hypersomatotropism), nearly always due to a pituitary adenoma. Before closure of the epiphyses, …

Apr 23, 2026 · Discover the 7 key signs of gigantism, including rapid growth, enlarged features, and serious health risks. Get informed on this rare condition's causes and treatment options.

Gigantism refers to abnormally high linear growth due to excessive action of insulinlike growth factor I (IGF-I) while the epiphyseal growth plates are open during childhood. Acromegaly is the same …

Gigantism is very rare. The most common cause of too much GH release is a noncancerous (benign) tumor of the pituitary gland. Other causes include: Genetic disease that affects the skin color …

Gigantism and Acromegaly - Learn about the causes, symptoms, diagnosis & treatment from the MSD Manuals - Medical Consumer Version.