- Pediatric Atypical Teratoid/Rhabdoid Tumors of the Brain: Identification of Metabolic Subgroups Using In Vivo 1H-MR Spectroscopy
Twenty patients with confirmed atypical teratoid/rhabdoid tumors who underwent MR spectroscopy were included in this study. In vivo metabolite levels of atypical teratoid/rhabdoid tumors were compared with molecular subtypes assessed by achaete-scute homolog 1 expression. In vivo creatine concentrations were higher in tumors that demonstrated achaete-scute homolog 1 expression compared with those without achaete-scute homolog 1 expression. Additionally, levels of myo-inositol were significantly different, whereas lipids approached significance in these 2 cohorts. Higher brain-specific creatine kinase levels were observed in the cohort with achaete-scute homolog 1 expression.
- Imaging-Guided Superior Ophthalmic Vein Access for Embolization of Dural Carotid Cavernous Fistulas: Report of 20 Cases and Review of the Literature
In this retrospective study of 20 patients, the authors report the results of imaging-guided percutaneous superior ophthalmic vein access in dural carotid cavernous fistula treatment. Minimally invasive percutaneous imaging-guided access to the SOV can be obtained in situations in which conventional transvenousaccess to the cavernous sinus is not possible for managementof patients with dural carotid cavernous fistula. The authors conclude that direct imaging-guidedpercutaneous SOV access is a valuable and time-savingalternative route compared with direct surgical SOV access.
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