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Unusual geodes ('bone cysts') in rheumatoid arthritis.

1972; BMJ; Volume: 31; Issue: 3 Linguagem: Inglês

10.1136/ard.31.3.174

1468-2060

M I Jayson, A. St. J. Dixon, P Yeoman,

Infectious Diseases and Tuberculosis

The geologists' term 'geode' is used in continental Europe to describe the radiological appearance of cavities in the bone ends in patients with various forms of arthritis (Jayson, Rubenstein, and Dixon, 1970).We describe here a patient with rheumatoid arthritis and unusually large geodes, the contents of which were calcified-an appearance which, we believe, has not previously been described.Clinical findings A 60-year old male clerk had suffered from classical nodular seropositive rheumatoid arthritis for 20 years.He had been treated with tetracosactrin for 2 years and had been working until 18 months before admission to hospital.He had been unable to walk for the previous 5 months.The knee joints were the most severely affected.