TY - JOUR T1 - Cartilage-dependent Subchondral Ossification in Rheumatoid Arthritis JF - The Journal of Rheumatology JO - J Rheumatol SP - 1923 LP - 1924 DO - 10.3899/jrheum.130201 VL - 40 IS - 11 AU - RIKAKO HIRAMATSU AU - YOSHIFUMI UBARA AU - TATSUYA SUWABE AU - JUNICHI HOSHINO AU - KEIICHI SUMIDA AU - EIKO HASEGAWA AU - MASAYUKI YAMANOUCHI AU - NORIKO HAYAMI AU - NAOKI SAWA AU - KENMEI TAKAICHI Y1 - 2013/11/01 UR - http://www.jrheum.org/content/40/11/1923.abstract N2 - We observed that, in rheumatoid arthritis (RA), subchondral bone may have a lamellar structure arranged in a vertical direction because of the cushioning effect of cartilage, while bone at the sites of cartilage defects develops a woven structure due to the lack of a cushioning effect.A 58-year-old Japanese woman with a 15-year history of RA was admitted to our hospital for surgery on the left knee. Her RA had been treated using various antirheumatic drugs, including gold derivatives, penicillamine, methotrexate, steroids, and a soluble tumor necrosis factor receptor inhibitor (etanercept), but these medications … ER -