Presentation
History of injury to the left foot due to a fall and twist today. Examination: No open wound. Left foot swelling and tenderness at the location of the 5th metatarsal and lateral tarsal bones.
Patient Data
Age: 35 years
Gender: Male
From the case:
Accessory navicular
{"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/140664/annotated_viewer_json?lang=us"}
alignment is normal
no clear fracture or acute joint abnormality
-
incidental accessory navicular bone and os subfibulare are 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/140666/annotated_viewer_json?lang=us"}
no acute displaced fracture or joint abnormality
incidental accessory navicular bone and os subfibulare are noted
Case Discussion
The patient was admitted to the ER department for foot trauma. Incidentally, accessory navicular type II and os subfibulare are noted.
The types of os naviculare:
type 1 <7mm
type 2 >7mm
type 3 cornuate process
Unable to process the form. Check for errors and try again.