• Alexandre Simonin, Olivia Paris, Jean-Philippe Brouland, Marc Morard, and San Millán Diego D Neuroradiology, Service of Diagnostic and Interventional Radiology, Hôpital de Sion, Centre Hospitalier Universitaire Vaudois, Sion, Switzerland..
• Neurosurgery, Department of Clinical Neurosciences, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland. Electronic address: alexandre.simonin@chuv.ch.
• World Neurosurg. 2018 Dec 1; 120: 43-46.

BackgroundSequestered disc fragments may present as a lesion with peripheral enhancement on magnetic resonance imaging. When located in the psoas muscle compartment, this finding could mimic an abscess.Case DescriptionWe describe a case of a 52-year-old man who returned from Togo after 2 years of living in precarious conditions. He was afebrile and complaining of lumbar back pain. The magnetic resonance imaging showed L3 and L4 vertebral body enhancement with bilateral psoas lesions in continuity with the disc space, suggesting spondylodiscitis with a differential diagnosis of inflammatory herniated disc. A computed tomography-guided biopsy of the right psoas lesion was performed to rule out spondylodiscitis. Histology was compatible with extruded disc material.ConclusionHerniated disc fragments should be considered as a differential diagnosis of psoas abscesses. Coronal plane images may show the continuity of bilateral herniated disc fragments, mimicking psoas abscesses.Copyright © 2018 Elsevier Inc. All rights reserved.

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