Cervical<unk> <unk>  may be helpful in the diagnosis of the<unk>  body tumor. Findings on<unk> <unk>  suggestive of/diagnostic of<unk>  body tumor include a well-defined, hypervascular mass which will show homogeneous and intense enhancement after intravenous administration of contrast dye.
Carotid body tumor CT scan
Carotid body tumor MRI
Carotid body tumor physical examination
Carotid body tumor echocardiography and ultrasound
Salivary gland tumor fine-needle aspiration biopsy 
Aortitis physical examination
Carotid artery stenosis CT
Carotid artery stenosis MRA