Nghiên cứu giá trị của chụp Xquang: Cắt lớp vi tính trong chẩn đoán u tế bào khổng lồ xương

The study was conducted at 77 patients with diagnosis of skeleton in the xray standard, in which there were 35 patients who have had computer tomographies. In the X-ray standard more lesion bone is long 81.8 percent. Lesion without ractification characteristic 97.74 percent.The size from 4 to 8 cm 68.3 percent. Lesion membran is fleshless 62.1 percent. The value of xray standard of skeleton tumor diagnosis: Septal sign, sensitivity 84.93 percent, specificity 50 percent, accuracy 83.12 percent. Calcified sign, sensitivity 75 percent, specificity 82.19 percent, aa:uracy 81.82 percent. Muscle infiltration, sensitivity 60.47 percent, specificity 74.04 percent, accuracy 70.13 percent. The value of computer tomography of skeleton tumor diagnosis sensitivity 85.71 percent, specifidty 80 percent, accuracy 82.86 percent.