American Journal of Neuroradiology: 37 (1)

American Journal of Neuroradiology

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January 01, 2016; Volume 37,Issue 1

Jain, R.
1. ADULT BRAIN
  
  Open Access
  Texture Feature Ratios from Relative CBV Maps of Perfusion MRI Are Associated with Patient Survival in Glioblastoma
  J. Lee, R. Jain, K. Khalil, B. Griffith, R. Bosca, G. Rao and A. Rao
  
  American Journal of Neuroradiology January 2016, 37 (1) 37-43; DOI: https://doi.org/10.3174/ajnr.A4534
Jeevan, D.
1. FELLOWS' JOURNAL CLUBPEDIATRICS
  
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  Minimizing Radiation Exposure in Evaluation of Pediatric Head Trauma: Use of Rapid MR Imaging
  H. Mehta, J. Acharya, A.L. Mohan, M.E. Tobias, L. LeCompte and D. Jeevan
  
  American Journal of Neuroradiology January 2016, 37 (1) 11-18; DOI: https://doi.org/10.3174/ajnr.A4464
  
  This study is a retrospective review of 103 pediatric patients who underwent initial head CT and subsequent follow-up rapid MR imaging between January 2010 and July 2013. Patients had minor head injuries that required imaging. There was almost perfect agreement in the ability to detect extra-axial hemorrhage on rapid MR imaging and CT (kappa = 0.84). Evaluation of hemorrhagic contusion/hemorrhage demonstrated a moderate level of agreement between MR imaging and CT (kappa = 0.61). The authors conclude that rapid MRI is an adequate imaging technique for the follow-up of pediatric patients with minor head trauma.
Jennings, J.W.
1. EDITOR'S CHOICESPINE
  
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  Spine Cryoablation: Pain Palliation and Local Tumor Control for Vertebral Metastases
  A. Tomasian, A. Wallace, B. Northrup, T.J. Hillen and J.W. Jennings
  
  American Journal of Neuroradiology January 2016, 37 (1) 189-195; DOI: https://doi.org/10.3174/ajnr.A4521
  
  This is a retrospective study of imaging-guided spine cryoablation that was performed on 31 vertebral metastases in 14 patients. The lesions were refractory to conventional chemoradiation therapy or analgesics and were ablated to achieve pain palliation and local tumor control. The procedures were performed with the patient under conscious sedation (13 patients) or general anesthesia in 1 case. Postcryoablation MR imaging and PET/CT imaging were available for all patients. Spinal nerve and soft-tissue thermal protection techniques were implemented in all ablations (epidural or neuroforaminal carbon dioxide or warmed 5% dextrose). There were statistically significant decreases in the median numeric pain rating scale score and analgesic usage at 1-week, 1-month, and 3-month time points. Local tumor control was achieved in 96.7% (30/31) of tumors.
Johansson, E.
1. FELLOWS' JOURNAL CLUBEXTRACRANIAL VASCULAR
  
  Open Access
  Carotid Near-Occlusion: A Comprehensive Review, Part 1—Definition, Terminology, and Diagnosis
  E. Johansson and A.J. Fox
  
  American Journal of Neuroradiology January 2016, 37 (1) 2-10; DOI: https://doi.org/10.3174/ajnr.A4432
  
  Carotid near-occlusion is distal luminal collapse of the internal carotid artery beyond a tight stenosis. Calculating percentage stenosis for carotid near-occlusion is fallacious, and near-occlusion assessment is advised before measuring for percentage stenosis. This systematic review presents what is known about carotid near-occlusion and focuses on definition, terminology, and diagnosis.

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American Journal of Neuroradiology

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Jain, R.

Jeevan, D.

Jennings, J.W.

Johansson, E.

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