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 | ||||||||||||||||||||||||||