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Open Access Case Report

A 17 year old with isolated proximal tibiofibular joint arthritis

Scott W Canna1*, Nancy A Chauvin2 and Jon M Burnham1

Author Affiliations

1 Division of Rheumatology The Children’s Hospital of Philadelphia, 3405 Civic Center Blvd, Philadelphia, PA, 19104, USA

2 Department of Radiology The Children’s Hospital of Philadelphia, 3405 Civic Center Blvd, Philadelphia, PA, 19104, USA

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Pediatric Rheumatology 2013, 11:1  doi:10.1186/1546-0096-11-1

Published: 9 January 2013

Abstract

The proximal tibiofibular joint (TFJ) is rarely affected in rheumatic diseases, and we frequently interpret pain of the lateral knee as the result of overuse or trauma. Nonetheless, the TFJ is a synovial joint that communicates with the tibiofemoral joint in a proportion of patients. While proximal TFJ arthritis has been rarely associated with existing spondyloarthritis, isolated TFJ arthritis as the presenting manifestation of spondyloarthritis has not yet been described. Here, we report the clinical and radiographic presentation of an adolescent with chronic proximal TFJ arthritis heralding spondyloarthritis highly suggestive of ankylosing spondylitis.

Keywords:
Ankylosing spondylitis; Proximal tibiofibular joint; Arthritis