Figure 2.
Presurgical MRI examinations. A: MRI showed intramedullary solid lesion covering the distal tibia bone without breaking articular surfaces. T2 weighted image showed the lesion as a high signal (arrow). B: MRI manifested multiple independent solid lesions in the gastrocnemius muscle at the level of the head of the fibula and multifocal lesion with irregular borders at the upper fibula (arrow). C:MRI examination of left lower leg revealed the occult lesions of calcaneus close to the calcaneal tubercle (arrow).