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).
Unfortunately, the producers of 'Jurassic Park' felt compelled to make the movie. Velociraptor 400% larger than the fossil record would indicate (standing 8-10 feet/2.43-3.048 meters tall and 4.25-6 meters long).