ArticleCureus2026
The Characteristic "Tunnel Sign" on MRI as a Diagnostic Marker of Tunneling Abscesses in Listeria Rhombencephalitis in a Patient With Multiple Myeloma: A Case Report.
Article in Cureus, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
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Abstract
Neurolisteriosis is a rare but potentially serious CNS infection. Diagnosis can be established through bacteriological studies or by identifying characteristic tunneling abscesses in the CNS. Delayed initiation of appropriate antibiotic therapy may result in permanent structural brain damage, disability, or death. We report the case of a 65-year-old woman with multiple myeloma undergoing chemotherapy who presented with an acute febrile illness accompanied by drowsiness, slurred speech, difficulty swallowing, neck stiffness, and complex ophthalmoplegia. MRI of the brain demonstrated characteristic findings of the "tunnel sign," suggestive of a tunneling abscess in
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