• Jianfei Nao, Han Zhang, Si Wu, Xiaotian Zhang, and Dongming Zheng.
• Department of Neurology, Shengjing Hospital of China Medical University, Sanhao Street 36, Shenyang, China.
• Childs Nerv Syst. 2018 Apr 1; 34 (4): 701-705.

IntroductionIn addition to diffuse brain oedema, diabetic ketoacidosis (DKA) can lead to ischaemic or haemorrhagic stroke, extrapontine myelinolysis, and sinovenous thrombosis. However, posterior reversible encephalopathy syndrome (PRES) and spinal cord oedema are rarely reported in patients with DKA.MethodsWe present a case of a 17-year-old-girl who developed headache, blurred vision, and paraplegia after her DKA was controlled. Sequential magnetic resonance (MR) scans of the brain and spinal cord were performed.ResultsBrain MR showed large patchy lesions in the bilateral white matter of the parieto-occipital lobes, which had high T2 signal intensity and low T1 signal intensity. MR scanning of the spinal cord showed longitudinal confluent central spinal cord T2 hyperintensity spanning seven thoracic spinal segments. With symptomatic treatment, the patient's headache and vision disturbance subsided within 1 week. Subsequent MR scans demonstrated that the lesion in the spinal cord had decreased significantly in 10 days, and the large patchy lesions in the brain disappeared completely in 2 months. Her paraplegia improved gradually without obvious sequela 3 months later. The evolution of the disease and radiological findings supported the diagnosis of PRES with spinal cord involvement.ConclusionTo the best of our knowledge, this is the first case report describing PRES with spinal cord involvement as a complication of DKA. PRES is a rare complication that should be considered along with other neurological complications of DKA when focal deficits appear.

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