Ankylosis is a condition in which a joint becomes stiff and immobile due to abnormal fusion of the joint’s bones. It is most commonly caused by an inflammatory process, such as rheumatoid arthritis, reactive arthritis, and psoriatic arthritis. Other possible causes of ankylosis include trauma, infection, and autoimmune disorders.
Infection is a common cause of ankylosis. Bacterial, fungal, or viral infections can all cause inflammation of the joint, leading to ankylosis. Infections may be direct, such as an infection of the joint itself, or indirect, such as an infection of the lung that spreads to the joint through the bloodstream.
Autoimmune disorders can also cause ankylosis. In these cases, the body’s immune system mistakenly attacks healthy tissues in the joint, leading to inflammation and ankylosis. This type of ankylosis is most commonly seen in rheumatoid arthritis, psoriatic arthritis, and reactive arthritis.
Trauma and injury can also lead to ankylosis. Trauma can damage the joint directly, leading to inflammation and ankylosis. Injury can also cause the joint to become misaligned, which can lead to abnormal fusion of the bones.
Finally, ankylosis can be caused by certain metabolic disorders, such as hypothyroidism and hyperparathyroidism. These disorders can lead to abnormal bone growth, which can lead to abnormal fusion of the bones.
In conclusion, ankylosis can be caused by a variety of conditions, including infection, trauma, injury, autoimmune disorders, and metabolic disorders. It is important to seek medical attention if you think you may be experiencing ankylosis, as early diagnosis and treatment can help prevent long-term damage to the joint.