Enchondromas are common tumors of hand.
The xray above is of 17 year old girl who presented with swelling of ring finger for past one year and progressively increasing. There was also complaint of pain which increased on exertion.
The xray showed an expansile lytic lesion with well formed cortical rim in proximal phalanx in most of its distal part.
MRI showed a lesion of low signal intensity.The patient was provisionally diagnosed as a case of enchondroma and treated by curettage and bone grafting.
Histopathology of the section confirmed it to be an enchondroma.
Patient is on her way to recovery.