pontine developmental venous anomaly

Pontine
hyperperfusion pitfall. MRI shows the transpontine vein, hypointense on T2 (a) T2* (b)
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Pontine
hyperperfusion pitfall. CT angiography shows a vascular structure crossing the pons in an anteroposterior orientation (a, in red, and b) and a slight enhancement (arrows) of the surrounding parenchyma (c).
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