It is a rare aggressive intra-osseous lesion derived from embryonic mesenchymal tissue associated with odontogenesis and primarily consisting of a myxomatous ground substance with widely scattered undifferentiated spindled mesenchymal cells 2.
Es una lesión intraosea agresiva, derivada del tejido conjuntivo embrionario asociada con la odontogénesis y constituida principalmente por una sustancia fundamental mucoide, con células mesenquimales, fusiformes indiferenciadas, ampliamente dispersas 2.