Fig. 4From: Needle tract seeding of a sclerosing epithelioid fibrosarcoma in a biopsy tract: a case reportMRI showing the recurrent tumor in the subcutaneous tissue of the left buttock. The tumor was distant from the approach of the surgical resection of the primary lesion and matched with the CNB tract (a). The histology of the recurrent tumor. The proliferation of the spindle-shaped cells with the hyalinized collagen fiber within the subcutaneous adipose tissue (b)Back to article page