M 52, left neck

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Diagnosis:
Schwannoma (Neurilemmoma)
Comment:

Potential association between multifocal cutaneous plexiform schwanomas and von Recklinghausen’s disease.

Pathology:

Often encapsulated.

Biphasic cellular growth patterns:

1. Antoni A areas with compact spindle cell foci with nuclear palisading (Verocay bodies).

2. Antoni B areas with myxoid or edematous paucicellular  zones composed of

bland myxoid or stellate cells.