Gigantism and acromegaly are two disorders with the same disease mechanism and somewhat similar presentations. Even though they have the same disease mechanism, the two have entirely different outcome simply due to the age of onset. Gigantism is the result if the disease mechanism starts in childhood.
Adult Velociraptors grew up to 6.8 feet (2 meters) long, 1.6 feet (0.5 meter) tall at the hip and weighed up to 33 pounds (15 kilograms).
For a dinosaur that's often mentioned in the same breath as Tyrannosaurus Rex, Velociraptor was remarkably puny: this meat-eater weighed only about 30 pounds soaking wet (about the same as a good-sized human toddler) and achieved an awe-inspiring height of three feet, max.