9. DD
1.P R E S / R P L S
2.Posterior circulation ischemia/infarction
3.Vasulitis
4.Hypoglycemia
5.Sinovenous thrombosis
6.Thrombotic microangiopathies
7.Status epilepticus
8.Reversible cerebral vasoconstriction syndrome
10. Posterior Reversible
Encephalopathy Syndrome:
Posterior reversible encephalopathy syndrome (PRES)
is a clinicoradiological entity
Posterior reversible encephalopathy syndrome (PRES)
is well recognized because of its typical imaging
appearance, that is involvement of the parieto-
occipital regions
Other brain regions may also be affected and unusual
imaging manifestations are observed frequently
11. Classic PRES Atypical PRES
B/L symmetrical parieto
occipital cortical and
subcortical regions
Frontal lobes
Cortical watershed zones
Basal ganglia
Brainstem
Cerebellum
Spinal cord