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患者：男，４５岁。发现左小指肿块８个月并小指运动受限２周为主诉入院。既往２２年前有肺结核病史，治愈。查体：左小指掌指关节处有一条状包块，约 ４ｃｍ × ２ｃｍ，边界清楚，质中等，无波动感，有轻压痛，皮肤色泽正常，皮温正常。化验检查：血沉４５ｍｍ／ｈ，血常规正
Patient: Male, 45 years old. Left lesion was found 8 months and little finger movement restricted 2 weeks for the main admission. 22 years ago, history of tuberculosis, cure. Physical examination: the left little finger metacarpophalangeal joint has a mass of about 4cm × 2cm, clear boundary, medium quality, no fluctuation, mild tenderness, normal skin color, skin temperature is normal. Laboratory tests: ESR 45mm / h, blood is positive