cell type benign neoplasm +
central nervous system benign neoplasm +

adenofibroma +
adenoma +
adenomyoma +
ameloblastoma
angiomyolipoma +
arteriovenous malformations of the brain
benign mastocytoma
benign meningioma
benign pleural mesothelioma
bile duct cystadenoma +
brain angioma +
central nervous system chondroma
central nervous system hemangioma
central nervous system leiomyoma
central nervous system lipoma +
chondroblastoma
chondroma +
craniopharyngioma +
diffuse leptomeningeal glioneuronal tumor
dysembryoplastic neuroepithelial tumor
epidural spinal canal angiolipoma
gangliocytoma
germ cell benign neoplasm +
gonadoblastoma +
hemangioma +
hidradenoma +
insulinoma
leiomyoma +
lipoma +
low grade glioma +
low grade glioma +
meningeal melanocytoma
microcystic adenoma
middle ear adenoma
multinodular and vacuolating neuronal tumor
myxoid glioneuronal tumor
neurilemmoma +
papillary glioneuronal tumor
papilloma +
perineural angioma
peripheral nervous system benign neoplasm +
polymorphous low grade neuroepithelial tumour of the young
prostatic adenoma
rete ovarii adenoma +
rosette-forming glioneuronal tumor
seminal vesicle cystadenoma
spinal cord dermoid cyst
squamous cell neoplasm +

desmoplastic infantile ganglioglioma / desmoplastic infantile astrocytoma