ICD-11 code : LA05.50;
Preferred Label : Polymicrogyria;
ICD-11 definition : Polymicrogyria (PMG) is a cerebral cortical malformation characterized by excessive
cortical folding and by shallow sulci. Microscopic examination reveals abnormal cortical
layering. Topographic distribution of PMG is variable, but bilateral symmetrical perisylvian
PMG (BPP) is the most frequent form. PMG is manifested by mild intellectual deficit,
epilepsy, and pseudobulbar palsy, which causes difficulties with speech learning and
feeding. The severity of PMG is highly dependent on the location and size of the affected
area.;
Origin ID : 2081858551;
Currated CISMeF NLP mapping
Polymicrogyria (PMG) is a cerebral cortical malformation characterized by excessive
cortical folding and by shallow sulci. Microscopic examination reveals abnormal cortical
layering. Topographic distribution of PMG is variable, but bilateral symmetrical perisylvian
PMG (BPP) is the most frequent form. PMG is manifested by mild intellectual deficit,
epilepsy, and pseudobulbar palsy, which causes difficulties with speech learning and
feeding. The severity of PMG is highly dependent on the location and size of the affected
area.
