RESUMEN
A 21 year old male patient presented to the out patient department with swelling on the right side of the neck which was gradually progressing without any other manifestations. Vitals & laboratory tests are like CBP, urinary catecholamine's are within normal limits. Ultrasound neck revealed a soft tissue mass lesion in right side of neck in the carotid triangle which is hypervascular on Doppler study & Similar lesion on left side of neck, which is relatively smaller. MRI neck revealed a 3.5×2.9×2.3cm sized, well circumscribed lesion in the right side of neck at the bifurcation of right common carotid artery which is iso to hypo intense on T1WI &hyperintense on T2WI with intense post contrast enhancement and characteristic “ salt and pepper appearance“. A concomitant lesion measuring 2×1.3×1.1cm noted in left side of the neck at the bifurcation of the left common carotid artery, which is iso to hypo intense on T1WI &hyperintense on T2WI with intense post contrast enhancement. MR Angiography revealed splaying of internal and external carotid arteries.FNAC findings from right side lesion revealed it as carotid body tumour.