melanotic neuroectodermal tumor of infancy

(redirected from progonoma of jaw)

mel·a·not·ic neu·ro·ec·to·der·mal tu·mor of in·fan·cy

a benign neoplasm of neuroectodermal origin that most often involves the anterior maxilla of infants in the first year of life. It presents clinically as a rapidly growing blue-black lesion producing a destructive radiolucency; histologically, it is characterized by small, round, undifferentiated tumor cells interspersed with larger polyhedral melanin-producing cells arranged in an alveolar configuration.

melanotic neuroectodermal tumor of infancy

mel·a·not·ic neu·ro·ec·to·der·mal tu·mor of in·fan·cy

(mel'ă-not'ĭk nū'rō-ek'tō-dĕr-măl tū'mŏr in'făn-sē)
A benign neoplasm of neuroectodermal origin that most often involves the anterior maxilla of infants in the first year of life; presents clinically as a rapidly growing blue-black lesion producing a destructive radiolucency; histologically, characterized by small, round, undifferentiated tumor cells interspersed with larger, polyhedral, melanin-producing cells arranged in an alveolar configuration.
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