Related Experiment Video
Updated: Jul 9, 2026

Arthroscopic Excision of Posterior Cruciate Ligament Cysts Using a Double Posteromedial Approach
Published on: October 20, 2023
A modified surgical method for treating Baker's cyst in children
Jian-Chih Chen1, Cheng-Chang Lu, Yen-Mou Lu
1Department of Orthopedics, Faculty of Medical School, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
Insights
A modified surgical technique effectively prevents Baker's cyst recurrence in children. This innovative approach ensures symptom resolution and maintains full knee function post-surgery.
Area of Science:
- Pediatric Orthopedics
- Surgical Innovation
- Biomedical Engineering
Background:
- Baker's cysts in children often recur after surgical excision.
- Existing surgical methods have limitations in preventing recurrence.
Purpose of the Study:
- To present a modified surgical technique for pediatric Baker's cysts.
- To evaluate the efficacy of this modified technique in preventing recurrence and restoring function.
Main Methods:
- Retrospective review of nine pediatric patients (mean age 5.7 years) undergoing modified Baker's cyst excision.
- Modified technique involves tight closure of the posterior joint capsule with non-absorbable sutures and augmentation with gastrocnemius tendon.
- Postoperative immobilization with a long leg cast for two weeks.
Main Results:
- No recurrences observed in patients after a mean follow-up of 8.3 years.
- All patients were symptom-free with no cosmetic concerns.
- No limitations in knee motion or muscle power difference compared to the unaffected knee.
Conclusions:
- The modified surgical method is highly effective in treating symptomatic Baker's cysts in children.
- This technique significantly reduces the recurrence rate of Baker's cysts.
- The procedure ensures excellent functional outcomes and patient satisfaction.
Abstract:
Surgery for Baker's cysts in children is plagued by high recurrent rate after the operation. In this study, a modified surgical method is developed to avoid the recurrence. Between 1995 and 2002, nine symptomatic Baker's cysts were excised in nine children, including six boys and three girls with a mean age of 5.7 years, were reviewed retrospectively. The diagnosis and follow-up were confirmed by clinical and ultrasound investigation. The modified surgical technique features a step in which the orifice of the posterior joint capsule is closed tightly by the application of one purse-string non-absorbable suture, and augmented by the suturing of the gastronomies tendon onto the closed orifice of the knee-joint capsule. Then the affected knee is immobilized with long leg cast for 2 weeks. After a mean follow-up of 8.3 years (ranged from 5.6 years to 12.1 years), none of the cysts recurred. All the patients were free of symptoms and none complained of any cosmetic problems. While comparing the affected and the unaffected knee, neither limitation of motion nor difference of muscle power was found. From the results, the modified surgical method is considered effective to treat the symptomatic Baker's cyst in children and to avoid its recurrence.