Jugular vein ectasia is a venous anomaly that commonly presents itself as a unilateral neck swelling in children and adults. It is rare to have bilateral neck swelling due to internal jugular vein ectasia.[1]
References
^Gendeh, BS; Dhillon MK; Hamzah M. (March 1994). "Bilateral internal jugular vein ectasia: a report of two cases". J Laryngol Otol. 108 (3): 256–260.
doi:
10.1017/s0022215100126465.
PMID8169515.