Langerhans Cell Disease: Langerhans Cell Histiocytosis (Formerly Called Histiocytosis X)
Etiology: Unknown
Method of Transmission: N/A
Characteristics: Poor healing, lymphadenopathy, rash or erythematic lesions, radiographs may have "punched out" appearance with sharply demarcated lesion, loose teeth, tenderness, pain, swelling
Dental Implications: Tooth vitality; Ensure proper diagnosis
Treatment and Prognosis: Surgical treatment, chemotherapy, bone marrow transplantation; Prognosis is usually poor