“ More common in children aged less than 5 years, mostly found in the lateral ventricles adjacent to the trigone. CSF production is increase...

“ Very rare.  The features are the same as for Chiari II malformation with the addition of encephalocele (posterior fossa contents herniate...

“ This is the most commonly diagnosed Chiari malformation. Usually prenatal or neonatal diagnosis with myelomeningocele, enlarging head and...

“ This is typically an incidental finding in adults. It may be acquired secondary to increased intracranial pressure, decreased intraspinal ...

“ •   Pathological (‘Pit MITCH’) –   Pit uitary fossa –   M ammillary bodies –   I ntrasellar or parasellar regions (consider craniopharyngi...

“ This is a rare, autosomal recessive disorder characterised by telangiectasia, cerebellar ataxia and immunodeficiency due to a lack of lymp...

“ Congenital or acquired (e.g. tumour). Aqueductal stenosis is the most common cause of congenital hydrocephalus . MRI •   Hydrocephalus (m...

“ This is an acute autoimmune encephalomyelitis that is usually triggered by an inflammatory response to e.g. a viral infection or a vaccin...

Computed tomography is regularly used for trauma and to investigate calcification and the calvarium.  In patients aged less than 6 years, se...

“ The most common congenital intracranial cystic abnormality. Found most commonly in the middle cranial fossa (60%), cerebellopontine angl...

“ Congenital sagittal division of the spinal cord into two hemichords, each containing a central canal, dorsal horn and ventral horn. Each ...

“ Sulcation  From 18 weeks to term, the main change is cortical infolding. An adult pattern of sulcation is reached by 38 weeks. The mainsta...

“ This is a spectrum of abnormalities ranging from the least severe megacisterna magna to the classic Dandy-Walker malformation. MEGACISTERN...

“ Severe craniosynostosis due to intrauterine sagittal, coronal and lambdoid synostosis. Skull adopts a clover leaf appearance. Associated ...

“ Metopic synostosis , skull has a forward-pointing appearance. ” For Radiology Cases, Discussion join: Radiology Made Easy on Facebook  Sub...

“ Unilateral fusion of the coronal or lambdoid suture producing a lopsided skull, described as either anterior (unilateral coronal synostos...

“ Bilateral lambdoid or coronal synostosis giving a short, wide head.  Accounts for 20% of synostoses.  May  cause a Harlequin eye deformity...

Premature fusion of the sagittal suture. Most common (60%), causes a long and thin head. For Radiology Cases, Discussion join: Radiology Mad...

“ This is the premature bony fusion of one or more cranial sutures (normally open until about 18 months , except for the metopic suture). Th...

“ Think of this if you see a suprasellar mass in a child—it is the most likely diagnosis. There is a bimodal incidence peak (from ages 5-1...