Contrast Media & Molecular Imaging

Research Article

Detection of Pulmonary Embolism with Gallium-68 Macroaggregated Albumin Perfusion PET/CT: An Experimental Study in Rabbits

Table 1

68Ga-MAA perfusion PET/CT, Technegas ventilation SPECT/CT, and histopathological results of all rabbits.
Rabbits68Ga-MAA PET/CT (perfusion defect ±)Technegas SPECT/CT (ventilation defect ±)V/Q scan mismatch defectDiagnosis (PE: ±)
RURMRLLULLRURMRLLULLV/Q scanHP
PE 1+++−−−−−−−3++
PE 2++++−−−−−−4++
PE 3−−−++−−−−−2++
PE 4−−+++−−−−−3++
PE 5++++−−−−−−4++
PE 6++++−−−−−−4++
Sham 1–6−−−−−−−−−−0−−
Total number of lung lobes with mismatch defect in V/Q scan20  
PE: pulmonary embolism; V/Q: ventilation and perfusion; HP: histopathologic; RU: right upper lobe; RM; right middle lobe; RL: right lower lobe; LU: left upper lobe; LL: left lower lobe.