Presentation
Left thigh pain increases at night and relieves with salicylic acid for 3 years.
Patient Data
Age: 16 years
Gender: Male
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There is marked cortical thickening of the postero-lateral aspect of the proximal left femur with a central nidus of 6.0 mm which is isointense to surrounding muscles on T1 and STIR sequences and hyperintense nidus rim (central hypointense) on T2 WIs with moderate amount marrow edema.
Case Discussion
Imaging appearance, patient age, and typical history, all are highly suggestive of osteoid osteoma.