MRI is considered superior to CT in the diagnosis and in preoperative
assessment. MR imaging of Neurohydatidosis reveals a welldefined,
circumscribed, solitary, spherical, intra-axial cystic lesion.
Cysts lie in the territory of the middle cerebral artery commonly
in parietal lobe. They show no enhancement with Gadolinium, no
calcification and typically no surrounding oedema. They show no
communication to the ventricles or to subarachnoid space. They can
cause mass effect, midline shift and hydrocephalus