Myxofibrosarcoma of the scalp with difficult preoperative diagnosis: A case report and review of the literature

Figure 4 Pathologic images of the mass. Histologic evaluation showed that there were abundant heteromorphic spindle cells and partial nodular mucus, arranged in a woven pattern, with rare nuclear fission and abundant blood vessels in the interstitium (A: Hematoxylin-eosin staining, × 100, B: Hematoxylin-eosin staining, × 200).