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what is Battle sign
bruising behind the ears. Bleeding above mastoid process can indicate fracture in base of skull.
What is Halo sign?
Blood with halo of CSF
what is linear fracture?
Radiolucent line, close on each end.
more than two segments. Lots of radiolucent lines.
A fracture across the suture
blowout in the floor of the orbit. Caused by direct blow. Punch in the maxilla
Fracture of the base of the skull
brain hit the front and back side
Le Fort fracture?
Bilateral, horizontal fracture of the maxilla "face off". Due to car accident, direct blow.
It is a three parts fracture. Includes zygomatic arch, the orbit floor rim, and a dislocation of the frontozygomatic suture. (wear helmets, seat belt)
what is mastoiditis?
inflammation of the mastoid
Infection of bone marrow because of infection
location of these tumors...
- Acoustic neuroma------cranial number 9
- Multiple myeloma------bone marrow
- Osteoma----In the bone
- Pituitary adenoma-------Pituitary gland
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