Cavernomas can present with seizures or intraparenchymal bleeding. Compared to other cerebral vascular malformations, cavernous malformations are less likely to cause catastrophic bleeding. Cavernous malformations have a classic “popcorn appearance” seen on imaging with a ring of hemosiderin.

 

DNETs are typically temporally located and appear as a wedge-shaped cystic lesion with a “soap-bubble” appearance.