congenital epulis congenital epulis congenital epulis is a proliferation of cells most frequently occurring on the alveolar ridge of the upper jaw at birth. less frequently, the mass may arise from the mandibular alveolus. rare cases can arise from the tongue. this lesion is more commonly found in female babies, suggesting hormonal involvement during embryonic development. the cause of this type of epulis is unknown. also known as congenital granular cell tumor or neumann's tumor; historically referred to as granular cell myoblastoma. congenital epulisother namescongenital gingival cell tumorspecialtyoncology, oral and maxillofacial surgery multiple lesions occur in 10% of affected neonates. the tumor is typically pedunculated and varies in maximum size from 0.5 cm to 9 cm. the lesion is typically painless and does not increase in size after discovery. some small lesions may regress over time. treatment is surgical excision. recurrence is extremely rare even after incomplete excision.