Temporal artery biopsy Flashcards
1
Q
Superficial temporal artery is a terminal branch of which artery?
A
the external carotid artery
2
Q
When is a temporal artery biopsy recommended?
A
Age of onset older than 50 years
New-onset headache or localized head pain
Temporal artery tenderness to palpation or reduced pulsation
ESR > 50 mm/h
3
Q
Describe what is seen on histology in a positive temporal artery biopsy
A
Vessel wall granulomatous arteritis with mononuclear cell infiltrates and giant cell formationW
4
Q
In what fascia is the superficial temporal artery found?
A
within temporoparietal fascia
5
Q
Contraindication to temporal artery biopsy
A
Glucocorticoid therapy > 30 days
6
Q
Risk of temporal artery biopsy
A
Injury to facial or auriculotemporal nerve
