Fig. 4From: The relation between angioarchitectural factors of developmental venous anomaly and concomitant sporadic cavernous malformationThis is the same patient with Fig. 1. The red arrows show the medullary veins of the DVAs. a (9), b (4), c (4) had the most medullary veins in their sequences respectively. a had the most ones. So the number of medullary veins of this patient is 9Back to article page