case_images: PMC4782656_01
case_images: Hyperkeratotic erythematous tumor with areas of ulceration in right lower
  limb
case_images: abd-91-01-0097-g01.jpg
case_images: PMC4782656_01_abd-91-01-0097-g01.jpg
case_images: f1
case_images: Dermatological examination revealed a 3.2 cm x 2.8 cm hyperkeratotic ulcerated tumor in the posterolateral view of the right lower limb (Figure 1).
case_images: Magnetic resonance imaging of the ankle showing expansive lesion with
  defined boundaries centered in the subcutaneous plane
case_images: abd-91-01-0097-g02.jpg
case_images: PMC4782656_01_abd-91-01-0097-g02.jpg
case_images: f2
case_images: Imaging tests showed that the tumor was located above the muscle fascia; no lymph node or distant metastasis were detected (Figure 2).
case_images: Intermediate grade myxofibrosarcoma. (A) Transition between myxoid area
  and cellular area. (HE, 100X). (B) Atypical cells with scant cytoplasm
  (HE, 400X).
case_images: abd-91-01-0097-g03.jpg
case_images: PMC4782656_01_abd-91-01-0097-g03.jpg
case_images: f3
case_images: The surgical resection was performed with a 2 cm margin and the histopathology showed proliferation of ovoid or spindle cells arranged in bundles, with irregular, hyperchromatic nuclei and mitotic figures, combined with myxoid stroma (Figure 3).
case_images: Myxofibrosarcoma revealing elongated, curvilinear, thin-walled blood
  vessel (HE, 400x)
case_images: abd-91-01-0097-g04.jpg
case_images: PMC4782656_01_abd-91-01-0097-g04.jpg
case_images: f4
case_images: The presence of elongated, curvilinear, thin-walled blood vessels was also noticed (Figure 4).