强直性脊柱炎(AS)是以骶髂关节和脊柱慢性炎症为主的周身性进展性疾病。常见症状为持续性腰痛伴晨僵,活动后可缓解,晚期则可发生脊柱强直、畸形以至严重功能受损。但其早期临床表现复杂多样,临床症状和体征均非特异,因此临床易延误诊断。现将误诊的18例AS分析如下,并从中吸取一些经验教训。 Ankylosing spondylitis (AS) is a systemic progressive disease mainly involving the chronic inflammation of the sacroiliac joint and the spine. Common symptoms of persistent low back pain with morning stiffness, activity can be alleviated later may occur ankylosis, deformity and even impaired function. However, its early clinical manifestations of complex and diverse, clinical symptoms and signs are non-specific, so clinical diagnosis is easy to delay. Now misdiagnosed 18 AS analysis is as follows, and draw some lessons learned.