What it is
The cyst forms when excess fluid from the knee joint accumulates in a pouch behind the knee. It is a secondary condition — treating the underlying cause is usually the priority.
Common symptoms
- Swelling or bulge behind the knee
- Tightness with knee bending
- Occasional pain
- Rarely, sudden calf pain if the cyst ruptures
When to see a specialist
If symptoms persist despite initial rest and simple measures, are severe, or are affecting daily activities, an assessment can help clarify diagnosis and treatment options. Bring any previous imaging or notes to your consultation.
Treatment considerations
Treatment focuses on the underlying knee condition (arthritis, meniscus tear). Aspiration or excision of the cyst alone is rarely definitive without addressing the primary problem.
⚠ When further assessment is important
Contact us if you experience severe pain, sudden loss of function, fever, unexplained weight loss, or any concerning new symptom. Not every condition requires surgery — treatment is decided together after clinical examination and imaging review.
Dr. Vijay Chandar R.
15+ years of clinical practice with a focus on knee replacement, ACL and sports knee injuries, arthroscopy and shoulder surgery. Consultations at VBJ Bone & Joint Clinic, Kanakapura Road. Read full profile →
Related information
Need an orthopaedic assessment?
Bring any recent X-rays, MRI reports or medical reports. We’ll examine you, review your imaging and recommend an appropriate treatment path.