Metastatic Renal Cell Carcinoma Presenting as a Paranasal Sinus Mass: The Importance of Differential Diagnosis

<div>MRI in the axial (a) and sagittal (b) planes showing a soft tissue ethmoid mass extending to the right and left choanal region, the right orbit, the right frontal sinus, and an initial intracranial extension with partial erosion of the crista galli.</div>

Case Reports in Otolaryngology

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Figure 1

Figure 1: Metastatic Renal Cell Carcinoma Presenting as a Paranasal Sinus Mass: The Importance of Differential Diagnosis 