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  • Title: [Pulmonary Ewing sarcoma/primitive neuroectodermal tumor: a case report and a review of the literature].
    Author: Suárez Antelo J, Rodríguez García C, Montero Martínez C, Verea Hernando H.
    Journal: Arch Bronconeumol; 2010 Jan; 46(1):44-6. PubMed ID: 19656607.
    Abstract:
    Primary thoracic sarcomas are very rare. The most common intrathoracic variants are synovial sarcoma, angiosarcoma, leiomyosarcoma, rhabdomyosarcoma, and sarcomatoid mesothelioma. Although thoracic Ewing sarcoma/primitive neuroectodermal tumor (PNET) usually develops on the chest wall, there have been reports of primary Ewing sarcoma/PNET of the lung. We present the case of a 22-year-old woman with Ewing sarcoma/PNET diagnosed following histologic, immunohistochemical, and in situ hybridization studies of a bronchial biopsy specimen. Radiography, ventilation-perfusion scintigraphy, and a bone marrow biopsy confirmed that the tumor was not metastatic. The patient was started on a chemotherapy regimen of vincristine, actinomycin, cyclophosphamide, doxorubicin, ifosfamide, and etoposide and responded well. She is now being seen regularly at our outpatient clinic.
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