The vidian artery in childhood tonsillar hypertrophy.
Cerebral arteriography performed in two children for cerebral pathology incidentally revealed prominent arterial supply to pharyngeal tonsillar tissue arising directly from the internal carotid arteries bilaterally. Embryologic considerations seem to indicate developmental origins of this vessel from early emanations of the first fetal aortic arch. Clinical implications revolve around the possible relation of the vidian artery to serious hemorrhage during or after otherwise uncomplicated tonsillectomy.
D002343:Carotid Artery, Internal / Q000002:abnormalities* / Q000000981:diagnostic imaging; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D006984:Hypertrophy; D008297:Male; D014066:Palatine Tonsil / Q000473:pathology*; D011859:Radiography; D014068:Tonsillectomy / Q000009:adverse effects