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患者男,27岁,因右膝关节肿痛三年,加重一月而就诊,无诱因史。现屈曲受限。体检:右下肢股四头肌较左侧明显萎缩,肌力差,关节伸180°,屈90°。右髌骨较对侧稍有增大,且有明显压痛,活动可,无粘连,浮髌试验(一)。化验:AKP8.6μ。其他无异常发现。临床诊断:右髌骨巨细胞瘤。摄右髌骨正位片、侧位片、轴位及斜位片(附侧位片图)。
The patient was a 27-year-old man with a three-year history of swelling and pain in the right knee and an increase of one month. He had no cause of illness. The flexion is limited. Physical examination: The quadriceps of the right lower extremity was significantly more atrophic than the left side and had poor muscle strength. The joints extended 180° and flexed 90°. Right cheekbones slightly increased compared with the contralateral side, and there was significant tenderness, activity can be, no adhesion, floating blister test (1). Test: AKP 8.6μ. No other abnormalities were found. Clinical diagnosis: Giant cell tumor of right sacrum. Photographs of the right sacral radiograph, lateral radiograph, axial and oblique radiographs (with lateral radiographs).