肿瘤性钙质沉着症比较少见,我院最近遇见一例,经手术与病理证实,报告如下:患者,男,71岁,退休工人。右足中趾肿痛九年,加重四个月,于1985年10月12日入院。九年前曾发现右足中趾基底部长一包块,疼痛,在某医院手术切除。术后第二年包块复发,当时不痛。近四个月疼痛明显,影响走路。全身物理检查无异常。右足第三跖趾关节背部见一包块, The tumor-induced calcification syndrome is rare. In our hospital, we recently met one case. The surgery and pathology confirmed the report as follows: patient, male, 71 years old, retired worker. The right foot was swollen and painful for nine years, an increase of four months, and was admitted to hospital on October 12, 1985. Nine years ago, I found a mass in the right foot mid-toe base, pain, and surgical resection in a hospital. In the second postoperative period, the mass recurred and it was not painful. Pain is evident in the past four months and affects walking. No physical abnormalities were found in the physical examination. A mass is seen on the back of the third metatarsophalangeal joint of the right foot.