bobby
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A 7-year-old boy who has had pain in his right leg for 4 months is being evaluated. The pain is worse at night and is unrelenting, but it can usually be relieved with ibuprofen. On physical examination, there is localized tenderness over the anterior aspect of the right thigh. There is also mild atrophy of the affected limb. A radiograph of the femur reveals a radiolucent nidus with surrounding reactive sclerotic bone. Which of the following is the most likely diagnosis?
A. Brodie's abscess
B. Ewing sarcoma
C. Osteosarcoma
D. Osteoid osteoma
E. Stress fracture
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| tamar
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D. osteoid osteoma
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| aliakram
Forum Junior
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D
Though usually the appendicular skeleton is a favored site for this but considering the features described its O O.
Mnemonic :
O O (osteoid osteoma) makes u O O (pain) at 00 00 (night time) with a 0 size (small size lesion) with O pattern sclerosis (round around a nidus usullay small)
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| bobby
Forum Guru
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thanx aliakram for that mnemonics, i will certainly remember better now.
yes, the correct ans is D
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| chemamr
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 D
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