A 28-year-old man develops acute paraplegia and urinary retention over 12 hours. He reports back pain and recent upper respiratory infection. Spinal MRI shows a T2 hyperintense lesion spanning T3-T5, with cord swelling but no hemorrhage. CSF shows mild lymphocytic pleocytosis. Serum aquaporin-4 and MOG antibodies are negative. Which of the following is the most likely diagnosis?
- A)Neuromyelitis optica spectrum disorder
- B)Acute poliomyelitis
- C)Spinal muscular atrophy
- D)Spinal cord compression from disc herniation
- E)Acute transverse myelitisGABARITO
Explicação
Acute transverse myelitis is a demyelinating syndrome presenting with rapid-onset paraplegia, sensory level, and bowel/bladder dysfunction. The longitudinally extensive T2 hyperintensity, cord edema, and CSF pleocytosis are characteristic. Negative NMO-IgG and... Ver explicação completa e trilha adaptativa →