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Popliteal cysts in children: a retrospective study of 62 cases
I De Greef1, G Molenaers, G Fabry
1Department of Orthopedic Surgery, U.Z. Pellenberg, Belgium.
Insights
Most pediatric popliteal cysts resolve spontaneously before age 18. This study found that the majority of untreated popliteal cysts in children disappeared on their own, suggesting watchful waiting is often the best approach.
Area of Science:
- Pediatric Orthopedics
- Musculoskeletal Imaging
- Pediatric Surgery
Background:
- Popliteal cysts in children are typically asymptomatic and incidentally discovered.
- The natural history and optimal management of pediatric popliteal cysts require further elucidation.
- Previous hypotheses suggest spontaneous resolution of primary popliteal cysts in pediatric populations.
Purpose of the Study:
- To evaluate the natural history of primary popliteal cysts in a pediatric cohort.
- To determine the efficacy of non-operative management for popliteal cysts in children.
- To assess the risks associated with surgical intervention versus conservative treatment.
Main Methods:
- Retrospective case series analysis of 62 children diagnosed with popliteal cysts.
- Documentation of cyst resolution status in patients managed non-operatively.
- Clinical assessment of symptomology and age at presentation and follow-up.
Main Results:
- Of 51 untreated patients, 43 (84%) showed complete cyst resolution.
- The remaining 8 patients were under 14 years old and asymptomatic.
- No recurrences were reported in the non-operatively managed group during the study period.
Conclusions:
- Primary popliteal cysts in children commonly resolve spontaneously before the age of 18.
- Non-operative management, including observation, is effective and avoids surgical risks.
- Surgical intervention for pediatric popliteal cysts carries risks and potential for recurrence.
Abstract:
Popliteal cysts in children are usually asymptomatic and are usually found fortuitously by the parents. This study presents a series of 62 children with popliteal cysts. Among the 51 patients who received no treatment, the cysts had already disappeared at the time of the study in 43 patients; the remaining 8 patients are under 14 years of age and are without complaints. This study confirms the hypothesis that the primary popliteal cyst in children usually disappears before the age of 18. Surgery presents unnecessary risks for the patient ; moreover, the chance of recurrence after surgery is real.