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Acta médica Grupo Ángeles
versión impresa ISSN 1870-7203
Resumen
TINOCO TELLEZ, Luis; AGUIRRE TRIGUEROS, José; DOMINGUEZ GASCA, Luis Gerardo y DOMINGUEZ CARRILLO, Luis Gerardo. Low-grade fibromyxoid sarcoma. Acta méd. Grupo Ángeles [online]. 2016, vol.14, n.4, pp.230-234. ISSN 1870-7203.
Background:
The low-grade fibromyxoid sarcoma is a rare tumor, described by Evans in 1987 as having a seemingly benign clinical course and histology, but local and distant aggressive behavior; it corresponds to 0.7% of all soft tissue tumors.
Case report:
Forty-nine-year-old female athlete, with a three-month history of pain in the middle left buttock during the race; exploration: 5 x 4 cm, firm mass in the gluteus medius. She underwent resection, with a diagnosis of low histologic grade fibromyxoid sarcoma with positivity only to vimentin. She was subjected to radiotherapy and 10 cycles of chemotherapy. The thoracic tomography was normal at 12 months; at 17 months, PET/CT showed multiple metastatic disease. At present (two years after the diagnosis), she is receiving palliative management and performing moderate exercise.
Conclusions:
Low-grade fibromyxoid sarcoma is a rare tumor and may mimic other soft tissue tumors; recurrences and metastases are described in up to 68% and 40% of cases, respectively.
Palabras llave : Low-grade fibromyxoid sarcoma.