Presentation
Left thigh pain
Patient Data
Age: Adult
Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
From the case:
Osteoid osteoma
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Cortical thickening and sclerosis is noted within the mid to distal femur. No periosteal reaction or other aggressive features.
From the case:
Osteoid osteoma
{"study":{"id":9327,"case_slug":"osteoid-osteoma-4","modality":"CT","series":[{"id":266349,"content_type":"image/pjpeg","frames":[{"id":266349,"width":1253,"height":1358,"current":true}],"annotations":[],"encodings":{"original_dicom":null,"video":null,"thumbnailed_files":[{"tiny":"2cad16ebed9f5ecebfc6d0f1273266_tiny.jpg","jumbo":"2cad16ebed9f5ecebfc6d0f1273266_jumbo.jpg","small":"2cad16ebed9f5ecebfc6d0f1273266_small.jpg","thumb":"2cad16ebed9f5ecebfc6d0f1273266_thumb.jpg","medium":"2cad16ebed9f5ecebfc6d0f1273266_medium.jpg","gallery":"2cad16ebed9f5ecebfc6d0f1273266_gallery.jpg","big_gallery":"2cad16ebed9f5ecebfc6d0f1273266_big_gallery.jpg","original":"2cad16ebed9f5ecebfc6d0f1273266.jpg"}]},"perspective":"Axial","specifics":"bone window"},{"id":266355,"content_type":"image/pjpeg","frames":[{"id":266355,"width":872,"height":1047,"current":true}],"annotations":[],"encodings":{"original_dicom":null,"video":null,"thumbnailed_files":[{"tiny":"b0ae5f115887eb03ed0fd924edeb05_tiny.jpg","jumbo":"b0ae5f115887eb03ed0fd924edeb05_jumbo.jpg","small":"b0ae5f115887eb03ed0fd924edeb05_small.jpg","thumb":"b0ae5f115887eb03ed0fd924edeb05_thumb.jpg","medium":"b0ae5f115887eb03ed0fd924edeb05_medium.jpg","gallery":"b0ae5f115887eb03ed0fd924edeb05_gallery.jpg","big_gallery":"b0ae5f115887eb03ed0fd924edeb05_big_gallery.jpg","original":"b0ae5f115887eb03ed0fd924edeb05.jpg"}]},"perspective":"Coronal","specifics":"bone window"}],"caption":{"us":null,"gb":null},"findings":{"us":"\u003cp\u003eSmall central lucency representing the nidus is noted within the thickened, sclerotic cortex. \u003c/p\u003e","gb":"\u003cp\u003eSmall central lucency representing the nidus is noted within the thickened, sclerotic cortex. \u003c/p\u003e"},"contributor_login":"hanisalam","case_id":8507,"case_key_image_id":null,"case_featured_at":null},"current_user":null,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_pin":false}}
Small central lucency representing the nidus is noted within the thickened, sclerotic cortex.
Case Discussion
This lesion is an osteoid osteoma. CT is more sensitive than plain film at detecting a small nidus.