Chondromyxoid fibroma

Case contributed by Sakher Alkhaderi

Presentation

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

Patient Data

Age: 29
Gender: Male
mri

The MRI images demonstrate lobulated expansile lesion with geographic bone destruction involving the distal phalanx of the big toe with well defined low signal scelotic margin and septations ( bubbly apperance ) and appear 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.

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