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Nervous system

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heterotopic gray matter


presence of cortical neurons in an abnormal location secondary to arrest of migrating neuroblasts from ventricular walls to brain surface between 7-24 weeks of gestational age

  • frequency: 3% of healthy population

associated with: X-ray: single/multiple bilateral subependymal nodules along lateral ventricles

DDx:


Yong H. Hahn, MD  -  2 February 1995
Last updated:  1 October 2013


 

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Copyright © 2013, Charles E. Kahn, Jr.