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MedPix® Medical Image DatabaseDisease Topic 74
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Contributor: James George Smirniotopoulos, M.D. - Uniformed Services University
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More Like This ? Holoprosencephaly
Factoid 74 - Created: 1988-01-01 00:00:00-05 - Modified: 2003-07-22 22:40:12-04
ACR Codes: 1.1
HOLOPROSENCEPHALY
  • ALOBAR - no interhemispheric fissure, fused thalami, horseshoe monoventricle merges into posterior midline cyst

  • SEMILOBAR - variable degrees of separation of hemispheres posteriorly, with post falx, discrete occipital lobes w/lateral ventricle ATRIA. There is posterior development of the splenium of the corpus callosum. Incomplete separation of thalami w/partial third ventricle.

    NOTE: THIS IS ONE OF THE MALFORMATIONS WITH POSTERIOR - not anterior - PARTIAL DEVELOPMENT OF THE CORPUS CALLOSUM.

  • LOBAR - incomplete separation of the frontal lobes and ABSENT SEPTI PELLUCIDI.
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    Location:
    Brain and Neuro     		Sublocation:
    Cerebral Hemisphere    		Category:
    Congenital, malformation
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    Prepared by: James George Smirniotopoulos, M.D.
    Affiliation: Uniformed Services University - || - Author Profile
    Approved by: James G. Smirniotopoulos, M.D.
    Affiliation: Uniformed Services University - || - Editor Profile
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