Retropharyngeal Synovial Sarcoma in an Infant: Report of a Case and of Its Response to Chemotherapy; Review of the Literature

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Abstract
Synovial sarcoma of the retropharynx is an extremely rare neoplasm. To date, only 10 cases have been reported in patients less than 15 years old. Our 15-month-old patient is, to our knowledge, the youngest ever reported with a retropharyngeal synovial sarcoma in the world literature. In the past, treatment usually consisted of surgery followed by radiotherapy or adjuvant chemotherapy, or both. In the case reported here, combination chemotherapy (ifosfamide, vincristine, and actinomycin D), used as the initial treatment modality, induced a dramatic decrease of the synovial sarcoma.