FIGURE 2.
FIGURE 2.
Patient with multiple embolisms in both lungs: segmental mismatch defect in left lung was detected by both SPECT (A and B) and planar scintigraphy (C and D). Defects are marked by arrows in B and D. However, subsegmental mismatch defects in right lung were only diagnosed by SPECT (B). CT angiography found thrombotic clots in branches of middle lobe artery and both lower lobe arteries (E, arrows). V = ventilation scan; Q = perfusion scan; R = right; A = anterior; L = left.
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