13, years old boy, LEAST common cause of proximal lytic lesion of head of femur is:: (A) Plasmacytoma, (B) Metastasis, (C) Histiocytosis, (D) Bone tumour
Answer is A. Ans. is 'a' Plasmacytoma If multiple myeloma occurs as a solitary lesion it is K/a PlasmacytomaAge gp is 6th-7th decade, Rare before 40yrs of ageSo the lytic lesion in a 13yrs old boy cannot be a plasmacytoma