• Emily Mayo and Gareth Herdman.
• ST2 Radiology Trainee, Princess of Wales Hospital, Bridgend, United Kingdom.
• J Emerg Med. 2020 May 1; 58 (5): 802-806.

BackgroundOcclusive abdominal aortic thrombus is a rare but critical clinical emergency with life-threatening consequences. Clinical presentation may mimic other diagnoses, resulting in a delay in the appropriate investigations for this condition. Spinal arterial involvement is a recognized complication of aortic thrombus and can result in pain, lower limb weakness, and loss of continence. These symptoms are usually associated with local spinal compression or stenosis manifesting as cauda equina syndrome (CES): a clinical finding of disrupted motor and sensory function to the lower extremities and bladder.Case ReportWe present a case of a 60-year-old female patient presenting with back pain, leg weakness, paresthesia, and urinary incontinence. She was urgently investigated for cauda equina syndrome via a magnetic resonance imaging scan of the spine, which subsequently demonstrated a large occlusive abdominal aortic thrombus. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: Nontraumatic acute thrombosis of the aorta is a life-threatening condition that may present with apparent neurological symptoms. In this patient there was both a relevant history and evolving clinical signs pointing toward a vascular etiology; however, the clinical findings were confusing and CES evaluation was prioritized. CES remains a medical emergency requiring urgent investigation and management. However, knowledge of spinal anatomy including vascular supply may help widen the differential. Physicians and associate specialists should consider this at clinical assessment and also when interpreting imaging of the spine. Any delay in diagnosing an aortic thrombosis has the potential for catastrophic clinical consequences.Crown Copyright © 2020. Published by Elsevier Inc. All rights reserved.

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