A T1-weighted MRI scan obtained after the administration of contrast material (Panel B) shows a developmental venous anomaly adjacent ... such as those in the brain stem or in symptomatic patients ...

The most common findings were cysts of the pineal gland (in 665 children; 16.8%; 95% CI, 15.6 to 18.0), arachnoid cysts (in 86; 2.17%; 95% CI, 1.75 to 2.68), and developmental venous anomalies (in ...

The study, “Developmental venous anomalies are a genetic primer for cerebral cavernous malformations,” was supported by the National Institutes of Health (P01NS092521 and F31HL152738).