Will a synovial cyst continue to grow larger?

In general, whether a synovial cyst will continue to grow depends on the specific circumstances. If the patient continues to experience irritation, the cyst may enlarge over time; however, with active treatment, it typically will not continue to grow. The details are as follows:

1. Yes, it may grow

A synovial cyst is a benign, localized cystic mass attached to the joint capsule, tendon sheath, or bursa. If the synovial cyst is subjected to persistent stimulation or pressure—such as from prolonged overuse or injury—the cyst may continue to enlarge. Additionally, synovial cysts may arise due to chronic inflammation, which could also contribute to ongoing growth of the cyst.

2. No, it may not grow

However, if the patient receives timely and effective treatment—for example, undergoing minimally invasive surgery under a doctor's guidance to remove the affected synovial tissue and damaged cartilage—the progression of the condition can be effectively controlled and complications reduced. In such cases, the synovial cyst will not continue to grow.

If a patient experiences discomfort or symptoms, it is recommended to seek medical attention at a hospital promptly to avoid delaying diagnosis and treatment.