516. Radiographic signs of pulmonary embolus (not causing
infarction) are all excepta. Localized peripheral oligaemia (Westermark's sign)
b. Peripheral airspace opacification due to haemorrhage
c. Hampton's hump
d. Linear atelectasis due to surfactant deficiency
e. prominent central pulmonary artery
516.---c
(CHAPTER 6 – Pulmonary Circulation and Pulmonary Thromboembolism,Adam: Grainger & Allison's Diagnostic Radiology, 5th ed)
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