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References

1. 1.↵
   2. Gupta R,
   3. Phan CM,
   4. Leidecker C, et al

   . Evaluation of dual-energy CT for differentiating intracerebral hemorrhage from iodinated contrast material staining. Radiology 2010;257:205–11 doi:10.1148/radiol.10091806 pmid:20679449

   CrossRefPubMedWeb of Science
2. 2.↵
   2. Phan CM,
   3. Yoo AJ,
   4. Hirsch JA, et al

   . Differentiation of hemorrhage from iodinated contrast in different intracranial compartments using dual-energy head CT. AJNR Am J Neuroradiol 2012;33:1088–94 doi:10.3174/ajnr.A2909 pmid:22268092

   Abstract/FREE Full Text
3. 3.↵
   2. Huynh TJ,
   3. Demchuk AM,
   4. Dowlatshahi D, et al

   ; PREDICT/Sunnybrook ICH CTA Study Group. Spot sign number is the most important spot sign characteristic for predicting hematoma expansion using first-pass computed tomography angiography: analysis from the PREDICT study. Stroke 2013;44:972–77 doi:10.1161/STROKEAHA.111.000410 pmid:23444309

   Abstract/FREE Full Text
4. 4.↵
   2. Brouwers HB,
   3. Goldstein JN,
   4. Romero JM, et al

   . Clinical applications of the computed tomography angiography spot sign in acute intracerebral hemorrhage: a review. Stroke 2012;43:3427–32 doi:10.1161/STROKEAHA.112.664003 pmid:23132779

   FREE Full Text
5. 5.↵
   2. Ciura VA,
   3. Brouwers HB,
   4. Pizzolato R, et al

   . Spot sign on 90-second delayed computed tomography angiography improves sensitivity for hematoma expansion and mortality: prospective study. Stroke 2014;45:3293–97 doi:10.1161/STROKEAHA.114.005570 pmid:25300974

   Abstract/FREE Full Text
6. 6.↵
   2. Du F,
   3. Jiang R,
   4. Gu M, et al

   . The accuracy of spot sign in predicting hematoma expansion after intracerebral hemorrhage: a systematic review and meta-analysis. PLoS One 2014;9:e115777 doi:10.1371/journal.pone.0115777 pmid:25541717

   CrossRefPubMed
7. 7.↵
   2. Postma AA,
   3. Das M,
   4. Stadler AA, et al

   . Dual-energy CT: what the neuroradiologist should know. Curr Radiol Rep 2015;3:16 doi:10.1007/s40134-015-0097-9 pmid:25815242

   CrossRefPubMed
8. 8.↵
   2. Gazzola S,
   3. Aviv RI,
   4. Gladstone DJ, et al

   . Vascular and nonvascular mimics of the CT angiography “spot sign” in patients with secondary intracerebral hemorrhage. Stroke 2008;39:1177–83 doi:10.1161/STROKEAHA.107.499442 pmid:18292380

   Abstract/FREE Full Text
9. 9.↵
   2. Smith AB,
   3. Dillon WP,
   4. Gould R, et al

   . Radiation dose-reduction strategies for neuroradiology CT protocols. AJNR Am J Neuroradiol 2007;28:1628–32 doi:10.3174/ajnr.A0814 pmid:17893208

   Abstract/FREE Full Text