Objective To probe into the feasibility and value of magnetic resonance pulmonary perfusion (MRPP) combined with Gd DTPA enhanced magnetic resonance angiography (MRA) in the diagnosis of acute pulmonary embolism (APE).

• 目的 探讨磁共振肺灌注成像(MRPP)联合GdDTPA增强磁共振血管造影(MRA)诊断急性肺栓塞(APE)的可行性及其作用。