A 41-year-old woman presents with acute paraplegia and a sensory level at T8. Two weeks later, she develops bilateral optic neuritis. Vital signs show BP 128/82, HR 88, RR 16, temperature 37.2°C, SpO2 98% on room air. MRI reveals a longitudinal myelitis extending over 3 spinal segments without brain lesions. Serum aquaporin-4 antibody testing is positive. Which of the following is the most likely diagnosis?
- A)Acute disseminated encephalomyelitis
- B)Transverse myelitis with coincidental optic neuritis
- C)Spinal cord compression with secondary inflammation
- D)Multiple sclerosis
- E)Neuromyelitis optica spectrum disorderGABARITO
Explicação
NMOSD is characterized by severe transverse myelitis with longitudinal spinal cord lesions (>3 segments) and optic neuritis. Positive aquaporin-4 antibody is the pathognomonic marker. NMOSD typically presents with separate episodes of myelitis and optic neurit... Ver explicação completa e trilha adaptativa →