1
Q
- Biphasic - Antoni A and Antoni B areas
- Verocay bodies (nuclear palisading around fibrillary process)
- Elongated and wavy cells
A
Schwannoma
2
Q
Schwannoma stains
A
Positive:
S100, EMA (highlights perineural fibroblasts), laminin, veimentin, type 4 collagen
Negative:
Keratin, neurofilament, Desmin, SMA
Neurosurgery Board Prep
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Decks in class (4)
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