cell type benign neoplasm +
middle ear disease +
auditory system benign neoplasm +

adenofibroma +
adenoma +
adenomyoma +
ameloblastoma
angiomyolipoma +
benign mastocytoma
benign pleural mesothelioma
bile duct cystadenoma +
cholesteatoma of middle ear +
chondroblastoma
chondroma +
external ear lipoma
ganglioglioma +
germ cell benign neoplasm +
gonadoblastoma +
hemangioma +
hidradenoma +
insulinoma
internal auditory canal lipoma
leiomyoma +
lipoma +
low grade glioma +
mastoiditis
microcystic adenoma
middle ear cancer +
neurilemmoma +
otitis media +
papilloma +
polyp of middle ear
prostatic adenoma
rete ovarii adenoma +
seminal vesicle cystadenoma
squamous cell neoplasm +
tympanic membrane disease +