New Imaging Strategy for Pulmonary Embolism
by Robert J. Optican, M.D.

Figure 1: Helical CT performed with PE protocol shows a thrombus within theorigin of the right interlobar pulmonary artery, and within a segmental artery of theleft upper lobe. There is also a small right pleural effusion. Patient underwent V/Qscan immediately prior, read as "intermediate probability."

Figure 2: Thrombus at the bifurcation of the right interlobar pulmonary artery in the same patient.

Figure 3: Multiple lower lobe segmental pulmonary emboli in the same patient, with small right pleural effusion and dependent atelectasis.

Figure 4: Bilateral lower lobe subsegmental emboli in the same patient.