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:
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© 2002, C.E. Kahn, Jr.
2002-04-18