What does frontoparietal arteriovenous malformation (avm) mean; is it a very bad deal?

Depends: It can be deadly serious or incidental - depending on the type and location. You should see a neurosurgeon to determine which one you have and what it needs for treatment.

Depends: Treatment options include radiation, embolization, and surgery. The rate of rupture for an asymptomatic avm is relatively low less than 2%/yr. If the avm has had a prior hemorrhage would recommend treatment, provided the morbidity and mortality related to treatment is low.

Abnormal vessels: An arteriovenous malformation is an abnormal tangle of blood vessels where blood goes directly from arteries to veins without going through capillaries. As a result it is a high blood flow area. there is a risk of rupture of the AVM. There are several ways that these can be managed. You should speak to a neurologist or Neurosurgeon who may refer you to a neuroradiologist for non surgical trea