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Posterior reversible encephalopathy syndrome (PRES) is a rare and poorly understood neurologic condition that has been described in some patients with systemic lupus erythematosus (SLE). Intracerebral hemorrhage is a unique and atypical presentation of PRES and has been described only in a small number of patients with SLE. We present the case of a 33-year-old female, diagnosed with SLE and active nephritis, who was admitted for seizures. She had acute-onset headache, confusion, and bilateral vision loss associated with severe hypertension. CT scan revealed right occipital and parietal lobe hemorrhage. MRI showed vasogenic edema and hyperintense foci in bilateral cortical and subcortical regions of the occipital and posterior parietal lobes which are consistent with posterior reversible encephalopathy syndrome (PRES). Strict blood pressure control and medical ICP-lowering treatment were immediately instituted, while maintaining her on anticonvulsants, high-dose steroids, and mycophenolate mofetil. The patient was discharged with improvement in vision and resolution of headache. On follow-up, she had gained her premorbid visual acuity and reported no recurrence of headache or seizures. Despite its name, reversibility remains to be conditional in PRES. A high index of suspicion is important, especially among those who present with seizure, headache, and visual loss. Early diagnosis and timely initiation of therapy is recommended, as clinical symptoms are potentially reversible and delayed therapy may result in life-threatening complications, such as coma or death.

Seizure and Acute Vision Loss in a Filipino Lupus Patient: A Case of Posterior Reversible Encephalopathy Syndrome with Intraparenchymal Hemorrhage