title: Intrasellar carotid anastomosis simulating pituitary microadenoma.
abstract: Arterial communication between the cavernous segments of the carotid arteries associated with agenesis of the unilateral internal carotid artery is a rare anomaly. Two cases of this anomalous artery with an abnormal sella turcica due to the intrasellar course are reported.
mesh_terms: D000236:Adenoma / Q000175:diagnosis* / Q000000981:diagnostic imaging; D002339:Carotid Arteries / Q000002:abnormalities* / Q000000981:diagnostic imaging; D002343:Carotid Artery, Internal / Q000002:abnormalities; D002648:Child; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D010911:Pituitary Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011859:Radiography; D012658:Sella Turcica / Q000000981:diagnostic imaging