Utility of Pulmonary Angiography by 128-Slice Computed Tomographic Scanner in Diagnosis of Tetralogy of Fallot Cases

Figure 3

An 18-year-old male with Tetralogy of Fallot. (a) Modified Blalock-Taussig shunt (white arrow) in volume-rendered image. (b) Blocked modified Blalock-Taussig shunt (white arrowhead) in maximum intensity projection images. (c) Multiple aortopulmonary collateral arteries (black arrow), few collaterals at the inferior margin of lower ribs in coronal images. (d) Tubercular changes with calcified and cavities in bilateral upper lobes of the lung (white dotted arrow) in lung window coronal section.

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