Genetic Predisposition
Research conducted in 2006 suggests that there could be a genetic predisposition for the development of Heberden’s nodes. Approximately 10% of individuals experience hereditary arthritis in the distal interphalangeal (DIP) joint. If there are cases of Heberden’s nodes in a person’s family medical history, their likelihood of developing the condition increases. In females, Heberden’s nodes exhibit a dominant inheritance pattern, while in males, the inheritance pattern is recessive.
Diagnosis of Heberden’s Nodes
Confirming a diagnosis of Heberden’s nodes typically involves the use of ultrasound scanning and magnetic resonance imaging (MRI) by physicians. These imaging techniques help identify any evidence of soft tissue bulging between the dorsal tendons and collateral ligaments, which are characteristic signs of the condition. While some doctors may also use X-rays to diagnose Bouchard’s nodes, this method is generally considered less reliable for diagnosing Heberden’s nodes.