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June 14, 2026Archives of Orthopaedic and Trauma SurgeryOpen Access

Arthroscopic debridement plus medical therapy yields no symptom recurrence in 4 children with rice body synovitis.

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Why the study?

Rice body synovitis has been rarely reported in children under three years of age, prompting an exploration of its clinical characteristics and treatment experience in children's knees.

Population

4 children (5 knees) under three years of age with rice body-like synovitis

Design

Retrospective case series

Follow-up

24 to 48 months

Key result

Arthroscopic debridement combined with postoperative standardized medical treatment resulted in no symptom recurrence in four children under three years with rice body synovitis.

Authors

朱朱伦庆CLCong LiuYLYing Liu

Discussion

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Overview

Hypothesis-generating for surgery in toddler rice body synovitis; leaves open prospective comparison with medical therapy alone.

Key Points

  • This investigation aims to analyze the clinical characteristics and treatment of rice body synovitis in children under three years of age.
  • Retrospective analysis of clinical and imaging data from 4 cases of rice body synovitis treated from January 2014 to December 2021.
  • Patients averaged 22.5 months old, presenting with knee swelling and limping.
  • Unilateral arthroscopic excision performed for lesions in all patients.
  • Postoperative diagnoses confirmed juvenile idiopathic arthritis in all patients, with no recurrence after surgery.
  • MRI and ultrasound at final follow-up displayed mild synovial thickening and resolution of effusion and loose bodies.
  • All patients received standardized pharmacological treatment and were monitored for 24 to 48 months.

Study Design

Type

Case Report (n=4)

Multicenter

No

Structured PICO

P
Population
4 children under three years of age with early-onset rice body synovitis of the knee, followed for 24 to 48 months.
I
Intervention
Arthroscopic debridement followed by oral ibuprofen (2-3 times daily) and methotrexate (once a week).
O
Outcome
Symptom resolution, joint effusion and rice body resolution on imaging, and disease activity assessed by JADAS 27 score.

Arthroscopic debridement combined with postoperative standard medical treatment offers satisfactory therapeutic outcomes for early-onset rice body synovitis of the knee in children under three years.

Limitations

  • Small sample size of 4 cases
  • Retrospective study design
  • Joint function assessment was challenging due to the young age of the children

Cite This Study

朱伦庆 et al. (2026) conducted a case report in Rice body synovitis (Juvenile Idiopathic Arthritis) (n=4). Arthroscopic debridement and postoperative pharmacological treatment was evaluated on Symptom recurrence. Arthroscopic debridement combined with postoperative standardized medical treatment resulted in no symptom recurrence in four children under three years with rice body synovitis.

synapsesocial.com/papers/6a2e4632b1cc60ccdea8b048https://doi.org/10.1007/s00402-026-06373-6
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Rice body synovitis in pediatrics: three different case reports2024 · 5 citations
  2. 2Rice Body Formation Due to Different Etiologies in the Distal Forearm2025 · 2 citations
  3. 3Rice Bodies in Rheumatoid Arthritis2024
  4. 4Diagnostic Assessment and Surgical Management of Synovial Chondromatosis of the Midfoot in a 13-Year-Old Child2026
  5. 5Diagnosing Oligoarticular Juvenile Idiopathic Arthritis in a Two-Year-Old: A Case Report2025