Synovial osteochondromatosis is an extremely rare benign condition in children and adolescents that have joint pain as a presenting manifestation. It is usually monoarticular with the knee as the most common affected joint. In this article, we describe the case of a female adolescent suffering from debilitating chronic right knee pain initially mimicking juvenile idiopathic arthritis, who was subsequently diagnosed with primary synovial osteochondromatosis. We present a review of synovial osteochondromatosis focusing on the clinical manifestations, radiographic features, histopathologic findings, and treatment, with a summarized review of pediatric patients with initial musculoskeletal presentations who were ultimately diagnosed as synovial osteochondromatosis. Although synovial osteochondromatosis is rare in children and adolescents, this condition should be included in the differential diagnosis of joint pain and may mimic juvenile idiopathic arthritis. Appropriate diagnostic radiography, including both plain radiography and magnetic resonance imaging, is necessary to accurately diagnose this condition. We also emphasize the importance of a multidisciplinary team approach to managing patients with synovial osteochondromatosis.

Napapas Yothakol

Sirirat Charuvanij

Palanan Siriwanarangsun

Pisit Lertwanich

Sorranart Muangsomboon

Maynart Sukharomana

Clinical Rheumatology

《临床风湿病学》是一本国际英文期刊，致力于发表风湿病学一般领域的原创临床调查和研究，重点关注研究生水平的临床方面。该杂志继承了比利时风湿病学杂志，该杂志最初成立于 1945 年，是比利时的官方期刊风湿病学会。临床风湿病学旨在涵盖临床和实验研究的所有现代趋势，以及与炎症、免疫、代谢、遗传和退行性软硬结缔组织疾病相关的诊断和治疗程序的管理和评估。

Clinical Rheumatology is an international English journal dedicated to publishing original clinical investigations and research in the field of rheumatology, with a particular focus on clinical aspects at the graduate level. This journal continues the tradition of the Belgian Journal of Rheumatology, which was established in 1945 and serves as the official journal of the Belgian Society of Rheumatology. Clinical Rheumatology aims to cover all modern trends in clinical and experimental research, particularly concerning the management and evaluation of diagnostic and therapeutic procedures related to inflammatory, immune, metabolic, genetic, and degenerative soft and hard connective tissue diseases.

《临床风湿病学》是一本国际英文期刊，专注于风湿病学领域的原创临床研究和调查，特别关注研究生水平的临床问题。该杂志继承了比利时风湿病学杂志的传统，后者成立于1945年，是比利时风湿病学会的官方期刊。《临床风湿病学》旨在涵盖现代临床和实验研究的所有趋势，特别是与炎症、免疫、代谢、遗传以及退行性软硬结缔组织疾病相关的诊断和治疗程序的管理与评估。

Synovial osteochondromatosis mimicking juvenile idiopathic arthritis in an adolescent: a case-based review

The case of a female adolescent suffering from debilitating chronic right knee pain initially mimicking juvenile idiopathic arthritis, who was subsequently diagnosed with primary synovial osteochondromatosis is described.

Category	Quartile
医学	3
医学, 风湿病学	4

Synovial osteochondromatosis mimicking juvenile idiopathic arthritis in an adolescent: a case-based review

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