髌骨纵行骨折较少见,对它的认识不足,以及缺少相应的检查,常易被漏诊。1.病例介绍 患者王某,男,35岁,因搬石块,脚下不稳而跪翻在地,伤及左膝。检查:左膝前方局部有皮损区,并渗血,关节肿痛,但活动可。X线检查:左膝关节正侧位未见明显骨折。十日后,患者复诊,自述左膝关节活动时隐隐作痛。加照左膝关节轴位片示:髂骨纵行骨折。2.讨论 Patella longitudinal fracture is rare, its lack of knowledge, and the lack of appropriate examination, often easy to be missed. 1. Case Description Patient Wang, male, 35 years old, due to moving stones, foot instability and knees on the ground, hurt the left knee. Check: local lesions in front of the left knee, and bleeding, joint swelling and pain, but activities can be. X-ray examination: no obvious fracture of the right knee of the left knee. Ten days later, patients referral, reciting left knee joint activity dull ache. Plus left knee joint axial film showed: longitudinal fracture of ilium. Discuss