PMC6435522_01
(A) Clinical course of the patient. CSF, cerebrospinal fluid; IVIg, intravenous immunoglobulin. (B) Computed tomography image of the patient's chest. A mediastinal tumor was detected (arrowheads).
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F1
A 57-year-old Japanese man was referred to our hospital with a 6-week history of distal paresthesia in his four limbs and unsteady gait (Figure 1A). Subsequent whole-body computed tomography revealed a tumorous lesion in the anterior mediastinum (Figure 1B). The oral dose of prednisolone was gradually reduced and ended 32 weeks after it commenced, with no re-aggravation of his symptoms (Figure 1A).