PMC2244628_01
Plain X ray of the leg (Case 1) showing the massive soft tissue swelling of calf.
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F1
After full length X-rays of leg (Figure 1), she had an MR scan of left knee and leg.
A & B - MR images (longitudinal & transverse sections) of the left leg (case 1) showing a massive pleomorphic sarcoma involving the whole posterior compartment.
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F2
The scan revealed a soft tissue mass showing marked enhancement, arising from the soleus muscle extending to popliteal fossa and involving the entire posterior compartment of leg (Figure 2A &2B).
A & B - MR image (longitudinal & transverse sections) of the left knee & leg (Case 2) showing the soft tissue malignant giant cell tumor arising from the muscle posteriorly.
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F3
On MR imaging (Figure 3A &3B) there was evidence of invasion into the knee joint posteriorly.
A& B - MR image (longitudinal & transverse) of the right leg showing a large myxoid liposarcoma (Case 3). C) - MR Transverse sections of both legs (Case 3) showing a secondary lesion in the soleus muscle on the left side along with an aggressive recurrence of the primary on the right side.
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F4
An MR scan revealed a heterogenous soft tissue mass probably of fatty origin in the posterior compartment measuring 10 x 25 cm (Figure 4A &4B). After a wide local excision patient was clear of disease for 3 years but developed multiple recurrences along with a secondary lesion in the soleus muscle on the opposite leg (Figure 4C).