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AJNR Awards, New Junior Editors, and more. Read the latest AJNR updates

Table of Contents

October 01, 2023; Volume 44,Issue 10

Perspectives

  • You have access
    Peer Learning in Neuroradiology: Not as Easy as It Sounds
    K. Mani, K. Shah, N. Kadom, D. Seidenwurm and A.J. Nemeth
    American Journal of Neuroradiology October 2023, 44 (10) 1109-1115; DOI: https://doi.org/10.3174/ajnr.A7973

Review Article

  • FELLOWS' JOURNAL CLUBHead & Neck
    Open Access
    Update from the 5th Edition of the WHO Classification of Nasal, Paranasal, and Skull Base Tumors: Imaging Overview with Histopathologic and Genetic Correlation
    A. Agarwal, A.A. Bhatt, G. Bathla, S. Kanekar, N. Soni, J. Murray, K. Vijay, P. Vibhute and P.H. Rhyner
    American Journal of Neuroradiology October 2023, 44 (10) 1116-1125; DOI: https://doi.org/10.3174/ajnr.A7960

    This manuscript reviews the 2022 World Health Organization update on the head and neck tumor classification, emphasizing the importance of molecular data and genetic alterations in sinonasal neoplasms. It includes new entities and changes to the taxonomy and characterization of tumors.

General Contents

  • Adult Brain
    Open Access
    Systematic Literature Review of Machine Learning Algorithms Using Pretherapy Radiologic Imaging for Glioma Molecular Subtype Prediction
    Jan Lost, Tej Verma, Leon Jekel, Marc von Reppert, Niklas Tillmanns, Sara Merkaj, Gabriel Cassinelli Petersen, Ryan Bahar, Ayyüce Gordem, Muhammad A. Haider, Harry Subramanian, Waverly Brim, Ichiro Ikuta, Antonio Omuro, Gian Marco Conte, Bernadette V. Marquez-Nostra, Arman Avesta, Khaled Bousabarah, Ali Nabavizadeh, Anahita Fathi Kazerooni, Sanjay Aneja, Spyridon Bakas, MingDe Lin, Michael Sabel and Mariam Aboian
    American Journal of Neuroradiology October 2023, 44 (10) 1126-1134; DOI: https://doi.org/10.3174/ajnr.A8000
  • Adult Brain
    Open Access
    Segmentation of Brain Metastases Using Background Layer Statistics (BLAST)
    Chris Heyn, Alan R. Moody, Chia-Lin Tseng, Erin Wong, Tony Kang, Anish Kapadia, Peter Howard, Pejman Maralani, Sean Symons, Maged Goubran, Anne Martel, Hanbo Chen, Sten Myrehaug, Jay Detsky, Arjun Sahgal and Hany Soliman
    American Journal of Neuroradiology October 2023, 44 (10) 1135-1143; DOI: https://doi.org/10.3174/ajnr.A7998
  • Adult Brain
    Open Access
    Cortical and Subcortical Brain Atrophy Assessment Using Simple Measures on NCCT Compared with MRI in Acute Stroke
    Tanaporn Jaroenngarmsamer, Faysal Benali, Joachim Fladt, Nishita Singh, Fouzi Bala, Michael Tymianski, Michael D. Hill, Mayank Goyal, Aravind Ganesh and On behalf of the ESCAPE-NA1 Investigators
    American Journal of Neuroradiology October 2023, 44 (10) 1144-1149; DOI: https://doi.org/10.3174/ajnr.A7981
  • EDITOR'S CHOICEAdult Brain
    Open Access
    Prospective, Longitudinal Study of Clinical Outcome and Morphometric Posterior Fossa Changes after Craniocervical Decompression for Symptomatic Chiari I Malformation
    Alaaddin Ibrahimy, Tianxia Wu, Jessica Mack, Gretchen C. Scott, Michaela X. Cortes, Fredric K. Cantor, Francis Loth and John D. Heiss
    American Journal of Neuroradiology October 2023, 44 (10) 1150-1156; DOI: https://doi.org/10.3174/ajnr.A7993

    This prospective, longitudinal study of patients with Chiari I malformation posterior fossa dural opening and duraplasty quantified the change in the posterior fossa and upper cervical spine morphometrics and determined the change in symptomatology between at baseline and up to 5 years postsurgery. The authors found that symptomatic and MR imaging morphometric changes occurred within the first postoperative year.

  • Adult Brain
    You have access
    Progressive Changes in Cerebral Apparent Diffusion Values in Fabry Disease: A 5-Year Follow-up MRI Study
    Koen P.A. Baas, Albert J. Everard, Simon Körver, Laura van Dussen, Bram F. Coolen, Gustav J. Strijkers, Carla E.M. Hollak and Aart J. Nederveen
    American Journal of Neuroradiology October 2023, 44 (10) 1157-1164; DOI: https://doi.org/10.3174/ajnr.A8001
  • Neurointervention
    You have access
    Partial (SAVE) versus Complete (Solumbra) Stent Retriever Retraction Technique for Mechanical Thrombectomy: A Randomized In Vitro Study
    Magda Jablonska, Jiahui Li, Riccardo Tiberi, Pere Canals, Santiago Ortega, Alejandro Tomasello and Marc Ribo
    American Journal of Neuroradiology October 2023, 44 (10) 1165-1170; DOI: https://doi.org/10.3174/ajnr.A7996
  • Head & Neck
    You have access
    Peritumoral Signal on Postcontrast FLAIR Images: Description and Proposed Biomechanism in Vestibular Schwannomas
    John C. Benson, Matt L. Carlson and John I. Lane
    American Journal of Neuroradiology October 2023, 44 (10) 1171-1175; DOI: https://doi.org/10.3174/ajnr.A7979
  • FELLOWS' JOURNAL CLUBHead & Neck
    You have access
    Differentiation between Chondrosarcoma and Synovial Chondromatosis of the Temporomandibular Joint Using CT and MR Imaging
    B.G. Jang, K.H. Huh, H.G. Yeom, J.H. Kang, J.E. Kim, H.J. Yoon, W.J. Yi, M.S. Heo and S.S. Lee
    American Journal of Neuroradiology October 2023, 44 (10) 1176-1183; DOI: https://doi.org/10.3174/ajnr.A7980

    As chondrosarcoma and synovial chondromatosis of the temporomandibular joint share overlapping clinical and histopathologic features, CT and MR imaging can be helpful to differentiate between the 2 entities. High-risk imaging features for chondrosarcoma include the following: lesion centered on the mandibular condyle, destruction of the mandibular condyle, no destruction/sclerosis of the articular eminence/glenoid fossa, infiltration into the tendon of the lateral pterygoid muscle, absent or stippled calcification, periosteal reaction, internal enhancement, and size of ≥30.5 mm.

  • EDITOR'S CHOICEHead & Neck
    You have access
    Performance of Neck Imaging Reporting and Data System (NI-RADS) for Diagnosis of Recurrence of Head and Neck Squamous Cell Carcinoma: A Systematic Review and Meta-analysis
    Akira Baba, Ryo Kurokawa, Mariko Kurokawa, Takafumi Yanagisawa and Ashok Srinivasan
    American Journal of Neuroradiology October 2023, 44 (10) 1184-1190; DOI: https://doi.org/10.3174/ajnr.A7992

    Posttreatment follow-up imaging of head and neck cancer is challenging because of the anatomic complexity of the head and neck region and the operations and posttreatment effects of radiation and chemotherapy that mimic recurrent disease. The Neck Imaging Reporting and Data System (NI-RADS) provides standardized terminology, report structure, and evaluation categories to convey the degree of suspicion of recurrence in the interpretation of imaging studies. This meta-analysis found NI-RADS 3 (high suspicion) has a high diagnostic performance for detecting clinically significant recurrence.

  • Pediatrics
    You have access
    Automatic Localization of the Pons and Vermis on Fetal Brain MR Imaging Using a U-Net Deep Learning Model
    Farzan Vahedifard, Xuchu Liu, Jubril O. Adepoju, Shiqiao Zhao, H. Asher Ai, Kranthi K. Marathu, Mark Supanich, Sharon E. Byrd and Jie Deng
    American Journal of Neuroradiology October 2023, 44 (10) 1191-1200; DOI: https://doi.org/10.3174/ajnr.A7978
  • Pediatrics
    You have access
    Dandy-Walker Phenotype with Brainstem Involvement: 2 Distinct Subgroups with Different Prognosis
    C.A.P.F. Alves, J. Sidpra, A. Manteghinejad, S. Sudhakar, F.V. Massey, K.A. Aldinger, P. Haldipur, L.T. Lucato, S.F. Ferraciolli, S.R. Teixeira, Ö. Öztekin, D. Bhattacharya, A. Taranath, S.P. Prabhu, D.M. Mirsky, S. Andronikou, K.J. Millen, A.J. Barkovich, E. Boltshauser, W.B. Dobyns, M.J. Barkovich, M.T. Whitehead and K. Mankad
    American Journal of Neuroradiology October 2023, 44 (10) 1201-1207; DOI: https://doi.org/10.3174/ajnr.A7967
  • FELLOWS' JOURNAL CLUBPediatrics
    You have access
    Utility of Gadolinium-Based Contrast in Initial Evaluation of Seizures in Children Presenting Emergently
    Denas Andrijauskis, Graham Woolf, Alexander Kuehne, Khalid Al-Dasuqi, Cicero T. Silva, Seyedmehdi Payabvash and Ajay Malhotra
    American Journal of Neuroradiology October 2023, 44 (10) 1208-1211; DOI: https://doi.org/10.3174/ajnr.A7976

    The authors aimed to assess the utility of gadolinium-based contrast agents in MR imaging performed for the evaluation of acute pediatric seizure presentation. In their study population, epileptogenic findings were found in 28% of patients, but gadolinium contrast was found to be of limited additive benefit in these patients.

  • EDITOR'S CHOICEPediatrics
    Open Access
    Dual-Layer Detector Head CT to Maintain Image Quality While Reducing the Radiation Dose in Pediatric Patients
    Zhengwu Tan, Lan Zhang, Xiaojie Sun, Ming Yang, Joyman Makamure, Hongying Wu and Jing Wang
    American Journal of Neuroradiology October 2023, 44 (10) 1212-1218; DOI: https://doi.org/10.3174/ajnr.A7999

    Radiation exposure from CT scanning is of increasing concern as CT use in children has risen dramatically. This retrospective study of pediatric CT heads aimed to compare 60-keV with conventional images obtained with different acquisition protocols to evaluate whether a reduced radiation dose can be achieved in 60-keV without compromising image quality. On the basis of image analysis and observer agreement assessment, the authors found a dose reduction of 28% while maintaining superior image quality with a scan protocol of 180 mAs compared with 250 mAs on 60-keV virtual monoenergetic images from spectral detector CT in the pediatric head.

  • Pediatrics
    You have access
    Arterial Spin-Labeling in the Assessment of Pediatric Nontraumatic Orbital Lesions
    S. Neumane, A. Lesage, V. Dangouloff-Ros, R. Levy, C.-J. Roux, M.P. Robert, D. Bremond-Gignac and N. Boddaert
    American Journal of Neuroradiology October 2023, 44 (10) 1219-1223; DOI: https://doi.org/10.3174/ajnr.A7977
  • Pediatrics
    You have access
    Cerebral Hemodynamic and Metabolic Abnormalities in Neonatal Hypocalcemia: Findings from Advanced MRI
    Ying Qi, Zixuan Lin, Hanzhang Lu, Jian Mao, Hongyang Zhang, Pengfei Zhao and Yang Hou
    American Journal of Neuroradiology October 2023, 44 (10) 1224-1230; DOI: https://doi.org/10.3174/ajnr.A7994
  • Pediatrics
    Open Access
    Neuroimaging Findings in Axenfeld-Rieger Syndrome: A Case Series
    Samuel White, Ajay Taranath, Prasad Hanagandi, Deepa A. Taranath, Minh-Son To, Emmanuelle Souzeau, Owen M. Siggs and Jamie E. Craig
    American Journal of Neuroradiology October 2023, 44 (10) 1231-1235; DOI: https://doi.org/10.3174/ajnr.A7995
  • Pediatrics
    You have access
    Venous Sinus Stenosis with Prominent Emissary Veins: A New Common Cranial MRI Finding of Mucopolysaccharidosis I
    Shiwei Huang, Ashish Gupta, Paul Orchard, Troy Lund and David Nascene
    American Journal of Neuroradiology October 2023, 44 (10) 1236-1239; DOI: https://doi.org/10.3174/ajnr.A7997
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American Journal of Neuroradiology: 44 (10)
American Journal of Neuroradiology
Vol. 44, Issue 10
1 Oct 2023
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