Magnetic resonance angiography for the primary diagnosis of pulmonary embolism: A review from the international workshop for pulmonary functional imaging

Figure 3 Non-contrast pulmonary magnetic resonance angiograph of an 82-year-old male with a history of san acute onset of dyspnea. A: Transverse non-contrast enhanced steady state GRE; B: Coronal oblique non-contrast enhanced steady-state GRE images of a fresh embolus in the right lower lobe artery; C: For comparison the transverse reformation; D: The original coronal images from the contrast-enhanced MRA (images courtesy of Heussel CP and Wielpuetz M, Thoraxklinik, Heidelberg, Germany). GRE: Gradient recalled echo; MRA: Magnetic resonance angiograph.