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Acta Neurológica Colombiana
Print version ISSN 0120-8748
Abstract
ENRIQUEZ-MARULANDA, Alejandro; SHINCHI, Masaru; GRANADOS, Ana María and OROZCO, Jorge Luis. Acute Intermittent Porphyria and it´s relationship with Posterior Reversible Encephalopathy Syndrome: Case Report. Acta Neurol Colomb. [online]. 2016, vol.32, n.2, pp.155-160. ISSN 0120-8748.
The porphyrias are a heterogeneous group of metabolism disorders in which there is an enzymatic deficiency necessary for the pathway of heme biosynthesis. Within this group, Acute Intermittent Porphyria (AIP) is the most common disorder, characterized by episodes of neuro-visceral crisis. The clinical manifestation spectrum is wide, however symptoms originating from Central Nervous System (CNS) dysfunction are rare. We report a case that shows the infrequent relationship between AIP and Posterior Reversible Encephalopathy Syndrome (PRES) An 18-year-old female patient presented with severe persistent abdominal pain, hypertension, seizures, cortical blindness and motor axonal neuropathy. A brain contrasted MRI evidenced a cortical and cortico-subcortical high intensity lesion suggestive of vasogenic edema in frontal, parietal and occipital lobes, compatible with PRES. A diagnosis of AIP was also made due to high levels of PBG and ALA in the urine. Treatment consisted of hematin, intravenous sugar solution and the withdrawal of porphyrinogenic agents. The CNS-related symptoms and the brain lesions shown via imaging resolved appropriately with treatment. This case shows the unusual relationship between AIP and PRES, in a patient that presented with persistent abdominal pain, dysautonomia, seizures, cortical blindness and motor axonal neuropathy, symptoms that, as a whole, can suggest this diagnosis.
Keywords : cortical blindness; seizures; abdominal pain; neuropathy; acute intermittent porphyria; posterior reversible encephalopathy syndrome.