Teaching NeuroImages: Idiopathic hypertrophic spinal pachymeningitis mimicking epidural lymphoma.


A 41-year-old man presented with bilateral leg numbness and paraparesis for 3 months. MRI showed a circumferential long epidural mass extending from T2 to T4 level (figure 1). Histologic examination demonstrated dense fibrous tissue with inflammatory infiltrate (figure 2). By exclusion of trauma, infectious diseases, and autoimmune diseases, idiopathic… (More)
DOI: 10.1212/WNL.0000000000001314

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