CASE 67 History: A 50-year-old patient presents with progressive numbness and weakness in the upper and lower extremities for the past 4 months. 1. What should be included in the differential diagnosis? (Choose all that apply.) a. Guillain-Barré syndrome (GBS) b. Chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) c. Sarcoidosis d. Cytomegalovirus (CMV) infection e. Acute disseminated encephalomyelitis 2. Which of the following features is least helpful in differentiating CIDP from GBS? a. Illness develops and progresses over months b. Patient improves and then deteriorates a year later d. Intrathecal nerve root enlargement and enhancement 3. Which of the following statements regarding enhancement of the nerve roots is false? a. Nerve root enhancement is often seen in patients with Charcot-Marie-Tooth disease. b. Radiculopathy secondary to focal disk herniation may show nerve root enhancement. c. Nerve root enhancement in the neural foramina is a common finding with no significance.
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