A 5-year-old boy presents with recurrent headaches. As pa of his assessment, he undergoes an MRI scan of his brain. This demonstrates enlargement of the lateral and third ventricles. Where is the most likely site of obstruction?
NameFromTointerventricular foramina (Monro)lateral ventriclesthird ventriclecerebral aqueduct (Sylvius)third ventriclefouh ventriclemedian apeure (Magendie)fouh ventriclesubarachnoid space the cisterna magnaright and left lateral apeure (Luschka)fouh ventriclesubarachnoid space the cistern of great cerebral vein
Foramen of Luschka
Foramen of Magendie
Foramen of Munro
Aqueduct of Sylvius
Abdomen and pelvis