Presentation
History of injury to right thumb due to fall at the workplace, yesterday Clinical examination: no open wound, tenderness on right thumb metacarpal.
Patient Data
Age: 45 years
Gender: Male
From the case:
Epibasal thumb fracture
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/126966/annotated_viewer_json?lang=us"}
Right first metacarpal, epibasal displaced fracture is noted.
Soft tissue swelling is noted
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/126967/annotated_viewer_json?lang=us"}
Right first metacarpal, epibasal displaced fracture is noted.
Soft tissue swelling is noted
Case Discussion
This case shows an epibasal thumb fracture, which is an extra-articular fracture of the thumb metacarpal, usually referred to as pseudo-Bennett fractures.
True Bennett fractures have an intra-articular extension.