Posterior reversible encephalopathy syndrome PRES

Discussion:

Posterior reversible encephalopathy syndrome occurs due to an abnormal sympathetic innervation of the posterior circulation which results in inability to control acute rise in blood pressure. Its pathology is related to vasogenic edema of occipital and posterior parietal region (posterior circulation territory). It is associated with several conditions e.g. severse hypertension, SLE, HUS, drug toxicity and following stem cell transplantation.

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