All of the following are true about chemodectoma except:
Carotid body tumor AKA Chemodectoma Commonly found in people living at high altitudes - because of chronic hypoxia -carotid body hyperplasia. Firm, rubbery, pulsatile mass, mobile from side to side - arises from medial side of carotid body or carotid bifurcation Diagnosis: Angiography shows Lyre sign - splaying of internal & external carotid aeries It is a vascular tumor - so, FNAC & biopsy are contraindicated Schamblin classification is used for carotid body tumor
Firm, rubbery, pulsatile mass, mobile from side to side
Schamblin classification is used
Biopsy is diagnostic
Lyre sign is splaying of internal & external carotid aeries on angiography
Neck