• Jerome Irai Ezhil Bosco, Ree Nee Khoo, and Wilfred C G Peh.
• Department of Diagnostic Radiology, Khoo Teck Puat Hospital, Alexandra Health, 90 Yishun Central, Singapore 768828. wilfred.peh@gmail.com.
• Singap Med J. 2014 May 1; 55 (5): 281-6.

AbstractA 56-year-old man presented to the Accident and Emergency Department with pleuritic chest pain of sudden onset. He gave a history of short-distance air travel ten days earlier. Chest radiograph showed a peripheral-based opacity in the right lower zone, which was not seen in a previous study done three months ago, suggestive of Hampton's hump. The D-dimer level was raised. Computed tomography pulmonary angiography confirmed the diagnosis of pulmonary embolism in a right lower lobe segmental branch, with adjacent collapsed lung, consistent with lung infarction. The patient was started on heparin injection with significant relief of his symptoms. The clinical and imaging features of pulmonary embolism are described, with emphasis on the historical radiographic signs and the current dual-energy computed tomography innovations.

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