
Back pains in children are generally related to postural, traumatic or mechanical causes . Most children are fortunate to have a self limiting course. However paediatricians must have a high index of suspicion on unusual causes of back pain ,especially when the pain is disproportionate to history and clinical signs. We report a case of 5-year-old girl who presented with acute back pain following a trivial trauma. She was initially evaluated for tuberculosis spine, but soon diagnosed as Langerhans cell histiocytosis of spine and underwent surgery.