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Revista Científica Ciencia Médica
Print version ISSN 1817-7433On-line version ISSN 2220-2234
Abstract
MOYA-DIAZ, Geovanna Michele; ALVAREZ-DIAZ, Martha Leticia; OLAY-DIAZ DEL VALLE, Elena María and GUEVARA-MADRID, Francisco Antonio. EXTRA-SKELETAL EWING SARCOMA IN THE NASAL CAVITY AND PARANASAL SINUS, CASE REPORT. Rev Cient Cienc Méd [online]. 2022, vol.25, n.1, pp.58-62. Epub Sep 31, 2022. ISSN 1817-7433. https://doi.org/10.51581/rccm.v25i1.469.
Ewing's sarcoma is a rapidly growing malignant tumor, with a prevalence of 1-5 cases per 1,000,000 inhabitants, its extraskeletal shape in the sinonasal cavity or paranasal sinuses is unusual. Objective: to describe the atypical location of this neoplasm and the importance of achieving a timely diagnosis. Female patient, with a mass in the right nasal cavity of two months of evolution, headache and epistaxis. With asymmetry in the right orbital region and deformity of the nasal septum, paranasal sinuses with symptoms of obstruction. Tomography revealed a mass that invades the paranasal sinuses. The biopsy showed Ewing's sarcoma. It was confirmed with CD99. The patient received chemotherapy and a surgical resection plan, however she died. The timely diagnosis and treatment of Ewing's sarcoma in the sinonasal cavity should not be based solely on clinical evaluation, it requires a tomographic, histopathological, immunohistochemical and, if possible, cytogenetic examination to reach a definitive diagnosis in the early stages of the tumor.
Keywords : Sarcoma Ewing; nasal cavity; paranasal sinuses; epistaxis; CD99 antigen human.