ENT Nose and paranasal sinuses f16a8933 Sphenoid sinusitis pain is referred most commonly to: A Occiput B Cost of nose C Frontal D Temporal region High-Yield Explanation Acute sphenoiditis: Headache usually localized to the occiput or veex. Pain may also be referred to the mastoid region. Ref Dhingra 6/e,p 194.