Vol.23 No.3

Case Report

Synovial cyst of the hip in a patient with rheumatoid arthritis

Authors

Makoto Kawasaki1, 3 , Hisayoshi Inoue1 , Ken Sabanai1 , Takashi Sawai2 , Katsumi Sato1

  • Department of Orthopaedics, Tohoku Rosai Hospital, 4-3-21 Dainohara, Aoba-ku, Sendai Miyagi, 981-8563, Japan
  • Department of Pathology, Iwate Medical University, 2-1-1 Nishiokuda, Yahaba-cho, Shiwa-gun Iwate, 020-3694, Japan
  • School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanisi-ku, Kitakyushu Fukuoka, 807-8555, Japan
Received:

9 November 2011

Accepted:

1 June 2012

Published online:

23 June 2012

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Abstract

A 67-year-old woman with rheumatoid arthritis (RA; Steinblocker stage IV, class 4) who had RA onset at 34 years of age had anterior thigh pain, femoral neuropathy and lower abdominal pain. Physical examination showed multidirectional limit of motion, and radiographic examination showed destruction of the hip joint. MRI and arthrography indicated a cystic lesion that communicated with the hip joint. The rheumatoid synovial cyst was removed during total hip arthroplasty. The symptoms were relieved, and the mass was reduced in size.

Key words

Abdominal pain, Anterior thigh pain, Femoral neuropathy, Iliopsoas bursa, Total hip arthroplasty