Abstract
Malignant tumors of the external auditory canal (EAC) and temporal bone are rare.1 Primary malignancies of the temporomandibular joint (TMJ) are extremely rare.2 Malignancy of the external ear canal may involve the TMJ and parotid gland through the fissures of Santorini. The cartilage of the outer third of the ear canal has inconstant clefts that may transmit infection or provide a direct pathway for tumor extension. The auriculotemporal nerve provides the common sensory innervation to the TMJ, external ear, and EAC.
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