This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'All of the following statements about Sternberg Canal are true, Except - \nSelect and explain. \nA. Located anterior and medial to Foramen Rotundum, B. Located posterior and lateral to Foramen Rotundum, C. Represents persistant craniopharyngeal canal, D. Cause of intrasphenoidal meningocele', 'role': 'user'}, {'content': "Answer: B \nExplanation: Sternberg's canal (persistent lateral craniopharyngeal canal) \n\nOriginally described by Sternberg in 1888 and was reported to be constantly present in children at the age of 3-4 years. He described an incidence of 4% in adults. (Persistent vestiges have been reported in upto 30% of adults).\nIt is caused by incomplete fusion of greater wing of sphenoid with presphenoid at a point where primordial sphenoid portions fuse.\nIt lies anterior and medial to foramen rotadum in parasellar region in middle cranial fossa.\nIt can communicate with sphenoid sinus, pterygopalatine fossa, nasopharynx, or pass right through the bone to emerge at the base of the skull.\nClinically Sternberg's canal is important as it is clinically associated with:-\xa0\n\n\nInfection to sphenoid sinus or cranial fossa.\nCongenital intrasphenoid meningocele (& encephalocele).\nLateral sphenoidal sinus 'spontaneous' CSF leak.", 'role': 'assistant'}]