Atypical perioral pigmentation leading to the diagnosis of neurofibromatosis type 1 and a low-grade central nervous system lesion in a pediatric patient: Unmasking the silent threat
Neurofibromatosis type 1 (NF1) is a common neurocutaneous disorder typically presenting with café-au-lait macules (CALMs) and neurofibromas, with a known predisposition to central nervous system (CNS) neoplasms. We report an unusual presentation of a 9-year-old male whose chief complaint was perioral pigmentation persi...