| Summary: | Primary tumors of the parapharyngeal space are rare and account for only 0.5% of head and neck neoplasms. This space is an area similar to an inverted pyramid that begins at the base of the skull and extends to the greater horn of the hyoid bone, where its apex is located, and it is divided into two compartments: prestyloid and poststyloid. In the prestyloid portion, the salivary gland neoplasms, especially of the parotid gland, account for the majority of tumors. It is reported the case of a 41-year-old female patient with a history of lingual paresthesia, pain and trismus, who was diagnosed a solid adenoid cystic carcinoma of the left parotid deep lobe after conducting a transcervical-mandibular approach.
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