Analysis of Diagnostic Efficacy and Imaging Signs of MRI Susceptibility Weighted Imaging in Intracranial Cavernous Hemangioma
Objective To analyze the diagnostic efficacy and imaging signs of magnetic resonance imaging(MRI)susceptibility weighted imaging(SWI)in intracranial cavernous hemangioma(ICCA).Methods A total of 90 patients with suspected ICCA admitted to our hospital from October 2021 to October 2022 were selected.All patients underwent routine MRI and SWI examinations.Surgical pathology was used as the"gold standard"for examination.The diagnostic efficacy of SWI technology in ICCA and ICCA imaging features were analyzed.Results Among the 90 patients with suspected ICCA,38 ICCA patients were detected by surgical pathological examination,37 ICCA patients were detected by SWI,and 30 ICCA patients were detected by conventional MRI.The sensitivity,accuracy and negative predictive value of SWI in detecting ICCA were 94.74％,96.63％and 96.15％,respectively,which were higher than 73.68％,86.52％and 83.05％of conventional MRI,and the differences were statistically significant(P＜0.05).Kappa test showed that the results of SWI were in good agreement with the results of"gold standard"(Kappa value=0.931,P=0.000).Among the 38 ICCA patients confirmed by surgical and pathological examination,20 patients showed complete low signal on SWI examination,and a few lesions had connected small venous shadows similar to tadpole morphology,known as the"tadpole"sign;18 patients showed mixed signals,with uneven internal signals within the lesion,known as"popcorn"or"mulberry"like changes;the lesion was characterized by high signal intensity in the center and low signal intensity surrounding it,known as the"iron ring"sign;the phase diagram presents as a mixed signal surrounded by a high signal loop,known as the"halo"sign.Conclusion SWI has good efficacy in the diagnosis of ICCA patients,which can improve the diagnostic accuracy of the disease,provide reliable reference information for clinical practice,and has high application value.
万方数据
维普
