TY - JOUR T1 - Infrapatellar Ganglion Cyst of the Knee Fat Pad in a Child with Juvenile Idiopathic Arthritis JF - The Journal of Rheumatology JO - J Rheumatol SP - 112 LP - 112 DO - 10.3899/jrheum.180406 VL - 46 IS - 1 AU - MASAKI SHIMIZU AU - JUNSUKE NAKASE AU - AKIHIRO YACHIE Y1 - 2019/01/01 UR - http://www.jrheum.org/content/46/1/112.abstract N2 - Ganglion cysts of the knee are rare, but they can appear in cases of juvenile idiopathic arthritis (JIA). Magnetic resonance imaging (MRI) identifies them when there is persistent pain without swelling.A 10-year-old girl with JIA diagnosed at 2 years of age presented with arthralgia and swelling of the right knee. She had been disease-free for 3 years, and JIA relapse was diagnosed. Methotrexate (MTX) was readministered, but arthritis … ER -