X-ray

External view

Cross section

Cross section, close up

Diagram

SCALE BAR=1cm

Clinical summary: 13 year old female presenting with swelling at the knee.

Figure legend:

Operative procedure: Resection of the distal right femur.
Tumor location: Distal femur, intra- and extra-medullary.
Tumor size: 12.0 x 7.5 x 7.5 cm.
Tumor characteristics: Hard, tan-white to tan, nodular mass.