Mets: metastatic adenocarc=> necrotic mets

Abcess

Gbm

Infarct (subacute phase)

Contusion

Demyelinating dis.

Radiation necrosis, resolving hematoma

Epidural- convex, confined by cranial sutures

SubDuralHematomas- concave between pia arachnoid and    

                              dura along surface of brain

Subarachnoid: found in sulci themselves, can cross falx,  

                     and can seep into ventricular system,  

                      basilar cisterns

1.Chiari1 findings

2. Chiari 2 findings

3. What inutero abn=> chiari malformation

4. Which Chiari is assoc. w/ myelomengiocele

5. child and adult cerebellar tonisil line

6. What type of chiari is most often symptomatic

1. Tonsilar herniation + syrinx

2. Tonsilar hernation + syrinx+ myrlomeningiocele

3. dorsal induction and neural tube defects

4. Chiari 2

5. <6mm, <3mm