Background: In a 31-year-old male, psoriasis vulgaris (PV) of the skin caused paraparesis attributed to a L3-L4 epidural spinal abscess that required emergent surgical decompression.
Case description: A 31-year-old male presented with lower back pain and cauda equina compression attributed to a magnetic resonance-documented L34 enhancing lesion consistent with a spinal epidural abscess (SEA). The skin over the L3-L4 level revealed severe PV that proved to be the likely etiology of the right-sided paraspinal muscle abscess, infected right L3-L4 facet joint, and SEA. At surgery, the foci of infection were excised/decompressed, and cultures grew methicillin-susceptible Staphylococcus aureus. Following surgery, the patient was improved and was treated with appropriate antibiotic therapy.
Conclusion: PV caused a L3-L4 epidural spinal abscess and cauda equina compression in a 31-year-old male who was successfully treated with operative decompression and appropriate antibiotic management.
Keywords: Epidural abscess; Facet joint arthritis; Methicillin-susceptible Staphylococcus aureus; Paraspinal muscle abscess; Psoriasis vulgaris.
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