- Nonlesional Sources of Contrast Enhancement on Postgadolinium “Black-Blood” 3D T1-SPACE Images in Patients with Multiple Sclerosis
Small intraparenchymal veins may confound the diagnosis of enhancing lesions on postgadolinium black-blood SPACE images.
- Perfusion Scotoma: A Potential Core Underestimation in CT Perfusion in the Delayed Time Window in Patients with Acute Ischemic Stroke
Ghost infarct core has been described to account for overestimating core infarct size in the early time period (<3 hours). The authors describe the phenomenon of underestimating core infarct size on CT perfusion in the later time period (>6 hours), which they have termed perfusion scotoma.
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