Congenital Langerhans Cell Histiocytosis in a Neonate as a Nodular Eyelid Lesion

This case report details an uncommon instance of Langerhans cell histiocytosis (LCH) in a neonate, manifesting as a cutaneous lesion on the eyelid. Research indicates that LCH is characterized by an overabundance of immune cells, which may lead to tumor formation, exhibiting a range of severity. In this instance, the illness appears to have been moderate, without systemic involvement, and resolved spontaneously without intervention, despite a genetic mutation associated with severe manifestations. The evidence suggests a favorable prognosis for this skin-limited congenital LCH, although eyelid involvement in neonates is uncommon.