Myxoinflammatory fibroblastic sarcoma (MIFS)/acralmyxoinflammatory fibroblastic sarcoma (AMFS) is a rare, painless, low-grade neoplasm which commonly occurs in the Co-Enzyme Q-10 with Carnitine extremities.It has a distinctive morphology and can be a diagnostic challenge, simulating inflammatory conditions as well as neoplastic conditions.They are low-grade sarcomas with a protracted clinical course, a high rate of local recurrence and a low rate of metastasis.
We report a case of proximal MIFS in a 50-year-old woman who presented with a mass Trivet in the thigh.