Schwannoma Flashcards
1
Q
location
A
head and neck or on the extensor surfaces of the extremities; vestibular CN 8 (acoustic neuroma)
2
Q
presentation
A
usually as a mass; spinal compression or tinnitus/hearing loss/facial paresthesia depending on whether the tumor is on the spinal cord or CN8
3
Q
imaging
A
well circumscribed, contrast enhancing
4
Q
gross path
A
well circum with fibrous capsule
5
Q
histology
A
tightly packed Antoni A and loosely packed Antoni B; Verocay bodies (parallel groups of palisaded nuclei)
6
Q
genetics
A
NF2