Alveolar Soft Part Sarcoma: A Rare Tumor of Unusual Evolution in Pediatrics

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A case of alveolar soft part sarcoma of the arm with metastatic pumonary miliaria is reported in a 12-year-old girl.


Although the size of the metastases increased greatly and progressively for 9 years with no improvement under chemotherapy, the patient's general condition remained good.


The course in pediatric oncology of this rare mesenchymatous tumor is very unusual; the histologic pattern is characteristic but the histogenesis remains unclear. The treatment of choice is tumoral excision. Other therapies involving secondary deposits are far from satisfactory, and the prognosis is poor because of the high rate of metastases.

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