Presentation
Pain and swelling of the big toe with restricted range of movement.
Patient Data







The MRI images demonstrate a lobulated expansile lesion with geographic bone destruction involving the distal phalanx of the big toe with well-defined low signal sclerotic margin and septations (bubbly appearance) and appears of low T1 signal and high T2 and PD signal.
Case Discussion
This lesion was surgically proved as chondromyxoid fibroma (CMF).
CMF is an extremely rare benign cartilaginous bone neoplasm, mostly located in the metaphysis with extension into the epiphysis and almost never just epiphyseal, usually occur in the 2nd and 3rd decades with no gender predilection.