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Figure 2 | Allergy, Asthma & Clinical Immunology

Figure 2

From: Advances in the Surgical Management of Chronic Rhinosinusitis

Figure 2

A , Computed tomographic scan of a patient who presented with a presumed mucocele of the sphenoid sinus with extension to the ethmoid and orbit. There was concern that the mucocele had eroded intracranially in the sphenoid. B, Magnetic resonance image cut that corresponds to the CT cut shown in A that fails to demonstrate intracranial extension or dural enhancement. This clarified the diagnosis and helped in the surgical planning.

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