论文部分内容阅读
目的观察放射核素血池显象肝血管瘤的图象特点和诊断价值．方法肝占位性病变患者７５例，其中肝海绵状血管瘤６２例．采用９９ｍＴｃＯ４体内标记自体红细胞、肝动脉灌注动态显象和肝血池静态放射性核素显象的方法，计算机感兴趣区技术描记血流灌注曲线，静态显象显示肝占位性病变处的血流分布．结果肝海绵状血管瘤的核素血池显象表现为：①肝胶体显象局部放射性稀疏缺损，②血池显象放射性过度填充．６２例临床诊断肝血管瘤者，５３例有上述典型表现，１３例原发性肝癌和肝转移癌无一例过度填充．血池显象检出肝血管瘤的灵敏度为８５％，特异性１００％．核素显象对于肝血管瘤的检出率与病变的大小和位置有关．结论放射性核素肝血池显象对于肝血管瘤具有良好的诊断价值
3. Objective To observe the imaging features and diagnostic value of radionuclide blood pool imaging hemangiomas. Methods 75 patients with hepatic space-occupying lesions, including 62 cases of hepatic cavernous hemangioma. 99mTcO4 labeled autologous red blood cells, dynamic imaging of hepatic artery perfusion, and static radionuclide imaging of hepatic blood pools were used. Computer-interested regions were used to record blood flow perfusion curves. Static images showed blood flow at hepatic space-occupying lesions. distributed. Results The results of radionuclide blood pool imaging of hepatic cavernous hemangiomas were as follows: 1 Hepatic colloid imaging local radiopaque defect, 2 Blood pool imaging radioactivity overfilling. In 62 cases of clinical diagnosis of hepatic hemangioma, 53 cases had the above typical performance, and 13 cases of primary liver cancer and liver metastases were not overfilled. Blood pool imaging detection of hepatic hemangiomas has a sensitivity of 85% and specificity of 100%. Radionuclide imaging is associated with the detection rate of hepatic hemangioma and the size and location of the lesion. Conclusion Radionuclide liver blood pool imaging has a good diagnostic value for hepatic hemangioma