An asymptomatic swelling in the neck region has many differential diagnosis with the most common being enlarged lymph node and carotid body tumor being the last thing.Most patients receive medical treatment for accidental findings of the transverse masses in the cervical part.We present here a case of carotid body tumor suspected intraoperatively and reveled after histopathological examination. Keywords: Carotid Body Tumor; Neck Swelling;Paragangliomas