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Washington University Experience | DEVELOPMENTAL MALFORMATIONS | Holoprosencephaly | Alobar HPE | 4B3 Holoprosencephaly (Case 4) gross 2A
Floor of the skull base is remarkable for the absence of the cribriform plate (arrow) resulting from the absence of the olfactory bulb and tract, one of the hallmarks of alobar holoprosencephaly.
