“…The progressive enlargement of the dermoid cyst can lead to skeletal deformation, soft tissue, and a locoregional infection, especially a neuromeningeal infection, which can be serious. Early diagnosis and appropriate treatment are important to avoid neuromeningeal and esthetic complications [ 1 ], [ 2 ]. We report the medical observation of an infant operated for a dermoid cyst revealed by a nasofrontal fistula, highlight its semiological, radiological, and therapeutic characteristics for early management, and describe the steps of this minimally invasive surgical reconstruction.…”