A case report of recurrent calcification of the foot.

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A 61-year-old woman complaing of swelling and pain in her right foot was seen in our clinic in June 1986. Fifteen years before she dropped an ice block on her right foot. Swelling and pain subsided spontaneously. One month later she suffered acute pain and swelling in dorsum of her right foot, she was diagnosed as gout and was treated with local injection and anti-inflammatory drugs. Since then she had reccurrent attacks of swelling and pain in the same place. In June 1986 she had attack of swelling and severe pain and visited our clinic. Physical findings revealed redness and swelling in dorsum of her right foot and severe tenderness on the center of the swelling. Roentgenograms showed a calcium deposit about 3.5×2.0×1.0cm on the dorsal side of the 2nd and 3rd MP Joints. There was no calcified area of the articular cartilage of the joints. Laboratory findings were normal except for ESR and CRP. The calcification was excised. X-ray diffraction revealed that the chorky mass was hydroxyapatite. Postoperative course was uneventful. One year after the operation she again visited us with complain of swelling and pain of the planter side of her right foot. Radiograms showed a big calcification about 4.0×2.0×1.0cm on the planter side of the 2nd and 3rd MP joints. Conservative treatment was ineffective and surgical exstirpation was performed again.
西日本整形・災害外科学会の論文