Anatoly Shuster, MD, Mehran Midia, MD

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Case of the Month #180: Atypical Thalamic and Mesencephalic Neurocytoma—A Rare Neoplasm in Children Anatoly Shuster, MD, Mehran Midia, MD Canadian Association of Radiologists Journal Volume 64, Issue 1, Pages 74-76 (February 2013) DOI: 10.1016/j.carj.2010.09.006 Copyright © 2013 Canadian Association of Radiologists Terms and Conditions

Figure 1 Computed tomographic (CT) image. Postcontrast axial image depicts a noncalcified hypodense lesion in the left thalamus and midbrain (straight arrow), associated with mass effect on the third ventricle and resultant obstructive hydrocephalus. Smooth peripheral enhancement of the lesion is also identified (curved arrows). Canadian Association of Radiologists Journal 2013 64, 74-76DOI: (10.1016/j.carj.2010.09.006) Copyright © 2013 Canadian Association of Radiologists Terms and Conditions

Figure 2 Magnetic resonance images. (A) Axial T2-weighted image, revealing an expansile heterogeneous hyperintense lesion, occupying the left thalamus, cerebral peduncle, and tectum (arrows). No surrounding oedema is seen. (B, C) Postcontrast axial fluid attenuation inversion recovery (FLAIR) and coronal T1-weighted images, demonstrating intense peripheral enhancement of the lesion (curved arrows). (D) Gradient echo image, showing susceptibility artifacts within the mass (arrows). Canadian Association of Radiologists Journal 2013 64, 74-76DOI: (10.1016/j.carj.2010.09.006) Copyright © 2013 Canadian Association of Radiologists Terms and Conditions