Sandbox:Sahar

Patient with neck mass suspected to carotid body tumor

History, Physical examination, and evaluation of cnotralateral side

Patients with age < 50 years Patients with multiple paraganglioma Patients with a positive family history

The rest of the patients

SDHD genetic testing

Presence of SDHD mutation

Absence of SDHD mutation

SDHC and SDHB genetic testing

Presence of SDHC/B mutation

Absence of SDHC/B mutation

All the relatives should be evaluated for the presence of paragnaglioma