Most common site of Ewing's sarcoma ?: (A) Upper end of tibia, (B) Shaft of tibia, (C) Lower end of femur, (D) Shaft of femur
Answer is D. Ans. is 'd' i.e., Shaft of femur Commonest site Ivory osteoma - Frontal sinus Osteoid osteoma - Tibia Admantinoma (Ameloblastoma) - Mandible Chordoma - Sacrum and cervical spine Osteoclastoma - Lower end of femur Ewing's sarcoma - Femur diaphysis > tibia diaphysis Osteosarcoma - Distal femur (45%), Proximal tibia (25%) Simple bone cyst - Proximal humerus Aneurysmal bone cyst - Bones around knee (Femur, tibia) Osteochondroma - Bones around knee (distal femur > proximal tibia) Fibrous dysplasia - Proximal femur > Tibia Enchondroma - Phalanges of hand Multiple myeloma - Veebrae Metastasis - Veebrae