A young child with backache reveals a solitary collapsed dorsal vertebra with preserved intervertebral disk spaces and no evidence of soft tissue mass. The most likely diagnosis is?: (A) Lymphoma, (B) Langerhans's cell histiocytosis, (C) Ewing's sarcoma, (D) Metastases
Answer is B. Ans BThis classic imaging appearance is called Vertebra plana and in children is most commonly seen in Langerhans's cell histiocytosis