Skull Tumors
- Juvenile
Angiofibroma
– vascular, invasive, starts at sphenoidal foramen in adolescent males;
most common benign nasopharyngeal tumor
- Can
erode through foramen to posterior fossa
- Fibrous
Dysplasia –
can be monoostotic or polyostotic; elderly adults, 30-50% involve
skull/face; vascular fibrocellular woven bone (ground glass appearance)
- Hypo T1,
enhances
- McCune-Albright
Syndrome
– unilateral polyostotic disease with pigmented skin lesions and precocious
puberty
- Paget’s
Disease –
middle age, M>F, can be monostotic or polyostotic; can be associated
with basilar invagination or hydrocephalus; associated with osteosarcoma