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Washington University Experience | INFECTION | Parasites | Onchocerciasis | 1A3 Onchocerciasis, spinal subdural mass (AANP 2016 - Case 10) 22X
The exterior surface of the adult worm is demarcated by an acellular cuticle (arrow). The inflammatory infiltrate is remarkably free of eosinophils (H&E) (AANP Diagnostic slide section 2016 - Case 10). (H&E)