2008-05-21T13:25:34+00:00 <p>Acalvaria is a rare malformation characterized by the absence of the calvarial bones, dura mater and associated muscles in the presence of a normal skull base and normal facial bones.</p> <p>Acalvaria is a rare malformation characterized by absence of the calvarial bones, dura mater and associated muscles in the presence of a normal skull base and normal facial bones.</p> 886 Acalvaria 2 acalvaria 0 1.0 http://www.orpha.net Per 100,000 Population Acrania, Congenital Malformation 0 0 2009-02-10T14:42:15+00:00