INCIDENTAL PRIMARY UNKNOWN METASTATIC PARAPHARYNGEAL SQUAMOUS CELL CARCINOMA IN A PATIENT WITH CHRONIC PERIPHERAL FACIAL PARALYSIS

İstanbul Bilim Üniversitesi Tıp Fakültesi Şişli Florence Nightingale Hastanesi KBB-BBC Kliniği, Şişli, İstanbul Parapharyngeal masses can be asymptomatic or recognized incidentally during routine examination. These tumors usually reach 2.5-3 cm in size to be recognized clinically. Parapharyngeal mass can present with neck or intraoral mass, ipsilateral cervicofacial pain, trismus, otalgia, hoarseness, foreign body sensation in pharynx, dyspnea and/or dysphagia. Physical examination and imaging studies revealed peripheral facial paralysis with no improvement associated with a metastatic parapharyngeal mass. The patient was diagnosed to have left-sided incomplete facial paralysis 2 years ago in an other otolaryngology department. In this case report, incidental primary unknown metastatic parapharyngeal squamous cell carcinoma in a patient with chronic peripheral facial paralysis was discussed. Keywords : Peripheral facial paralysis, Bell's palsy, parapharyngeal mass, metastatic squamous cell carcinoma, neck metastasis of unknown primary