Juvenile nasopharyngeal angiofibroma spreading to pterygomaxillary fossa is which stage?
Correct Answer: Stage II
Description: Ans. is .b, i.e., Stage IIlRef: Neuroradiologlt by Zimmerman p. 455; CT and MRI of the Whole Boily Shle p' 6101IA -+ Tumor limited to posterior nares or nasopharyngeal vaultIB + Extension into one or more Paranasal sinusesIIA -+ Minimal lateral extension through sphenopalatine foramen into medial pterygomaxillary fossa.IIB + Full occupation of pterygomaxillary fossa, di-splacing posterior wall of antrum forward; superior extension eroding orbital bones.IIC + Extension tt roogi ptetygomoilary fossa into cheek and temporal fossaIII -+ Intracranial extension
Category:
ENT
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