25.3 Anat: Imaging of the head and neck Flashcards
1
Q
What is the mainstay for imaging the head and the neck?
A
CT scan
2
Q
In the head and neck, what is ultrasound used for?
A
Thyroid, sub-mandibular glands, carotid arteries, lumps and bumps
3
Q
How does the brain appear on T1 and T2 weighted MRI scans?
A
T1: Grey matter appears dark
T2: Reversed, bright CSF
4
Q
What do we see in an angiogram of a carotid body tumour?
A
Venous blood exiting the extremely vascular tumour
5
Q
What is a Juvenile angiofibroma? What do you have to be careful of?
A
A benign, aggressive tumour seen mainly in adolescent males. A biopsy is disastorous
6
Q
How are temporal bones best imaged?
A
With thin slice CT scans (due to the complicated bony anatomy)
