Extratemporal Malignant Nerve Sheath Tumor of Facial Nerve with Coexistent Intratemporal Neurofibroma Mimicking Malignant Intratemporal Extension

<div>Axial contrast-enhanced T1-weighted MRI after partial resection of the postauricular MPNST. (a) Residual periauricular subcutaneous ill-defined lesions (arrow heads) extending radially from the stylomastoid foramen (arrow). (b) Enhancement of the mastoid segment of the facial nerve (arrow). (c) Enhancement of the tympanic segment (long arrow) and intracanalicular segment (short arrow) of the facial nerve.</div>

Case Reports in Otolaryngology

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Figure 2: Extratemporal Malignant Nerve Sheath Tumor of Facial Nerve with Coexistent Intratemporal Neurofibroma Mimicking Malignant Intratemporal Extension 

Figure 2 | Extratemporal Malignant Nerve Sheath Tumor of Facial Nerve with Coexistent Intratemporal Neurofibroma Mimicking Malignant Intratemporal Extension 