Langerhans Cell Histiocytosis in Paediatric Zygoma Swelling

Langerhans cell histiocytosis (LCH) is a rare neoplasm characterized by accumulation of histiocytes in various tissues. It has a wide clinical spectrum and its presentation may mimic clinical features of common diseases. High level of suspicion is required for early diagnosis. Here is a rare case of a rapidly aggressive LCH which first presented with right zygomatic swelling.