- CTA and CTP for Detecting Distal Medium Vessel Occlusions: A Systematic Review and Meta-analysis
This systematic review and meta-analysis aimed to compare the diagnostic test accuracy for CTA and CTP in the detection of distal medium vessel occlusion. The study found consistent evidence for a higher sensitivity in detecting distal medium vessel occlusion, particularly in arteries beyond the M2 segment of MCA, with multiphase CTA or CTP compared with single-phase CTA.
- MR Thermometry during Transcranial MR Imaging–Guided Focused Ultrasound Procedures: A Review
Transcranial MR imaging-guided focused ultrasound enables precise delivery of energy through an intact skull for the treatment of various neurologic disorders. Real-time and noninvasive MR thermometry is critical to achieve precise and controlled transcranial focused ultrasound treatments. This article provides an updated review on clinically applicable considerations of proton resonance frequency MR thermometry, including pitfalls and limitations, to avoid complications during MRgFUS procedures.
- Temporal Characteristics of CSF-Venous Fistulas on Dynamic Decubitus CT Myelography: A Retrospective Multi-Institution Cohort Study
This retrospective multi-institution cohort study analyzed the temporal features of CSF-venous fistula (CVF) visualization on dynamic decubitus CT myelography (dCTM) in 48 patients. The results showed that most CVFs were visible on first or subsequent phases of dCTM, but approximately 1 in 8 were only visible on either the early or delayed phase. The authors conclude that acquiring greater than 1 phase of imaging increases the sensitivity of dCTM by increasing its temporal resolution.
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