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June 14, 2026Archives of Orthopaedic and Trauma SurgeryOpen Access

During follow-up of 24 to 48 months, none of the surgically treated knees showed symptom recurrence, and follow-up imaging exhibited significant improvement including resolution of joint effusion and rice body-like masses.

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Population

4 children under three years of age with rice body-like synovitis of the knee, mean age 22.5 months, 1 male…

Design

Case_series

Follow-up

24 to 48 months (mean 34.5 months)

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.

Structured PICO

P
Population
4 children (5 knees) under three years of age with rice body-like synovitis of the knee, mean age 22.5 months, 1 male and 3 females.
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.

Cite This Study

朱伦庆 et al. (2026) studied this question.

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