A challenging diagnosis of Langerhans' cell histiocytosis with hypothalamic-pituitary and mandibular involvement: case report and literature review.

Background: Langerhans cell histiocytosis (LCH) is a rare bone marrow derived neoplasm that mainly affects children. It is a multiorgan disorder and hypothalamic-pituitary involvement is uncommon. LCH reveals a wide spectrum of indications; thus, the diagnosis and treatment are usually challenging.