Rare growth disorders are a diverse group of uncommon conditions that affect an individual’s physical development. They may stem from genetic mutations, hormonal imbalances, or other complex factors.

Growth disorders are conditions that cause faster or slower growth than usual. People with these disorders may have unusually sized limbs and body parts or may be taller or shorter than expected.

In an article published in the Journal of Pediatrics, researchers based in Brazil describe the case of a nine-year-old boy admitted to hospital with multiple symptoms and overlapping conditions that ...