作者收治1例罕见的强直性脊柱炎(ankylosing spondylitis,AS)并发髋关节色素沉着绒毛结节性滑膜炎(pigmented villonodular synovitis,PVNS)患者,现报告如下。1病例报告患者,男,43岁,腰背部疼痛16年,右髋疼痛16年,加重伴活动受限9个月余,左髋疼痛9个月余。13前确诊为AS,经药物治疗后髋部疼痛好转,时有反复。无外伤、酗酒及激素应用史。查体:脊柱 The author admitted to a rare case of ankylosing spondylitis (AS) with hip joint pigmented villonodular synovitis (PVNS) patients are as follows. A case report of patients, male, 43 years old, 16 years of back pain, right hip pain for 16 years, aggravated with activity restriction more than 9 months, left hip pain more than 9 months. 13 before the diagnosis of AS, the pain after hip pain improved, sometimes repeated. No history of trauma, alcoholism and hormonal use. Physical examination: spine