Streptococcus agalactiae spondylodiscitis in an immunocompetent adult

We present the case of a 45-year-old woman without any known underlying diseases or usual medications. The patient presented repeatedly to the emergency department with cervical, dorsal, and lumbar pain, with no symptomatic improvement. Because of clinical worsening, she returned to the hospital with increased and incapacitating pain but no neurological deficit or fever. Laboratory examination on admission revealed a C-reactive
protein of 48.9 mg/dL, and a urinalysis suggested a urinary tract infection. Urine and blood cultures were positive for Streptococcus agalactiae. Magnetic resonance imaging (MRI) demonstrated C3-C6 spondylodiscitis with an intracanal epidural lesion with severe spinal cord compression, and L4-L5 spondylodiscitis with a small intracanal component (Figure 1). She also had an abscess in the left iliac psoas muscle without any surgical indication. The
patient underwent decompression of the epidural space and completed antibiotic therapy with piperacillin/tazobactam followed by ampicillin for 12 weeks. Despite an imaging reassessment showing worsening of the osteomyelitis process (Figure 2), the patient refused orthopedic intervention. She showed clinical improvement with pain control medication and physical therapy. The patient maintained regular follow-ups at the hospital.

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