فهرست نشریات علمی دسترسی آزاد ایران

Background: Although CT morphological characteristics of giant cell tumors (GCTs) of the sacrum have been reported in the literature, the enhanced CT quantitative characteristics of GCTs have not been extensively evaluated. Objectives: The aim of our study was to analyze the enhancement characteristics of giant cell tumors of the sacrum. Results: On the noncontrast images, the densities of the SCs were lower than those of the GCTs and SSs, but there was no difference between the GCTs and SSs (P > 0.05). In the arterial phase, the EIa of the GCTs was the highest among the three groups (P < 0.05), and that of the SCs was the lowest. In the venous phase, the EIv of the GCTs was higher than that in the arterial phase and was also the highest among the three groups (P < 0.05). A difference was found among the groups, namely, the GCTs, SCs, and SSs (P < 0.05). The EIa and EIv of the SCs were the lowest among the three groups. The Emax of the GCTs was the highest among the three groups (P < 0.05). Conclusion: Quantitative analysis of the characteristics of contrast-enhanced CT is a useful method for diagnosing sacral GCTs and differentiating these tumors from SCs and SSs.