NGHIÊN CỨU VAI TRÒ CỦA MỘT SỐ CHUỖI XUNG CÓ SỬ DỤNG ĐỐI QUANG TỪ TRONG CHẨN ĐOÁN DI CĂN NÃO TRÊN BỆNH NHÂN UNG THƯ PHỔI NGUYÊN PHÁT ĐIỀU TRỊ TẠI BỆNH VIỆN PHỔI TRUNG ƯƠNG

Abstract

Objectives: Describe sequential magnetic resonance imaging (MRI) on sequences of early post-injection T1W, post-injection T2FLAIR, late post-injection T1W and compare the ability to detect brain metastases of each pair of the above pulse sequence in primary lung cancer (LC) patients treated at the National Lung Hospital. Subjects: 100 patients (patients) were diagnosed with primary LC by pathology, indicated for MRI to screen for brain metastases. Methods:prospective, descriptive, cross-sectional. Results: Average age: 62.2 ± 8.9; male/female is 2.1:1; The size of the tumor from 0.8 to 23 mm. Lesions appear in: occipital lobe (49.2%); parietal lobe (34.9%); frontal lobe (23.8%); temporal lobe (11.1%); cerebellum (7.9%); brainstem (4.7%). Absorb gado contrast media evenly: 34.9%; irregular: 7.9%; ring form: 46.1%; combination of at least 2 forms: 11.1%; 58.7% had cerebral edema around the lesion; ventricular dilatation 11.1%. The comparison of "clearer" between early T1W pulse sequence with T2Flair and late T1W is statistically significant. The T1W pulse sequence early detected 56 patients (56%) with brain metastases; pulse sequence T2Flair 61 BN (61%); Late T1 pulse sequence 63 cases (63%) but the comparison of additional detection ability in each pair of pulse sequences is not statistically significant (small sample size). The ability to detect the number of lesions at >3 lesions per individual when comparing early T1W with T2Flair; T2Flair with late T1W and late T1W with early T1W were statistically significant. Conclusion: Use sequential pulse sequences after injection: early T1W, T2Flair; Late T1W is important in detecting brain metastases.