Skeletal Tuberculosis Presenting as a Small Cystic Lesion in the Medial Femoral Condyle

  skeletal tuberculosis is an unusual disease involving bone and joints and it may have different manifestations. this report introduces a 25-year-old woman suffering from chronic knee pain without any response to conservative treatments for one year. x-ray was normal but ct-scan and mri indicated a small lesion in medial condyle of the femur. the patient underwent percutaneous ct-guided biopsy. following an evaluation of the obtained sample, tuberculous osteomyelitis was detected. after resection of the femoral mass and starting anti tb medical treatment, symptoms dramatically eliminated.