A<unk>  is a low-grade salivary gland neoplasm that recapitulates primitive salivary gland anlage. It has previously been referred to as congenital basal cell adenoma, embryoma, or basaloid adenocarcinoma. It is an extremely rare tumor, with less than 100 cases reported worldwide.
Sialoblastoma
Pineoblastoma
Medulloblastoma
Neurothekeoma
Ameloblastoma
Hemangioblastoma
Pilocytic astrocytoma
Astroblastoma