[Peripharyngeal space. Pathology].

Tumors are the most frequent pathological pattern found in the peripharyngeal space. Topographically, intrinsic and extrinsic tumors can be distinguished. Intrinsic tumors are mostly salivary, nervous and vascular. Extrinsic tumors extend from the oral cavity, pharynx and parotid gland. MRI globally gives more impressive results than CT. Diagnosis of the tumor type often remains dubious in intrinsic tumors. CT-guided biopsy is then required.