{"title":"一例4.5岁患者咽旁间隙未分化小圆细胞肉瘤：罕见病例报告。","authors":"Lei Wang, Xinmei Kang","doi":"10.1016/j.oraloncology.2025.107184","DOIUrl":null,"url":null,"abstract":"<div><div>This case report describes a 4.5-year-old girl diagnosed with a rare Undifferentiated Small Round Cell Sarcoma (USRCS) originating in the parapharyngeal space with multiple lung metastases. Diagnostic workups, including imaging, immunohistochemistry, and genetic sequencing, identified the tumor as an unclassified subtype of USRCS. The patient was treated with the Ewing sarcoma chemotherapy regimen, alternating between VDC (vincristine + doxorubicin + cyclophosphamide) and IE (ifosfamide + etoposide), in combination with bevacizumab. The tumor achieved complete remission, and no recurrence has been observed during follow-up.</div></div>","PeriodicalId":19716,"journal":{"name":"Oral oncology","volume":"161 ","pages":"Article 107184"},"PeriodicalIF":4.0000,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Undifferentiated small round cell sarcoma of the parapharyngeal space in a 4.5-year-old patient:A rare case report\",\"authors\":\"Lei Wang, Xinmei Kang\",\"doi\":\"10.1016/j.oraloncology.2025.107184\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>This case report describes a 4.5-year-old girl diagnosed with a rare Undifferentiated Small Round Cell Sarcoma (USRCS) originating in the parapharyngeal space with multiple lung metastases. Diagnostic workups, including imaging, immunohistochemistry, and genetic sequencing, identified the tumor as an unclassified subtype of USRCS. The patient was treated with the Ewing sarcoma chemotherapy regimen, alternating between VDC (vincristine + doxorubicin + cyclophosphamide) and IE (ifosfamide + etoposide), in combination with bevacizumab. The tumor achieved complete remission, and no recurrence has been observed during follow-up.</div></div>\",\"PeriodicalId\":19716,\"journal\":{\"name\":\"Oral oncology\",\"volume\":\"161 \",\"pages\":\"Article 107184\"},\"PeriodicalIF\":4.0000,\"publicationDate\":\"2025-02-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Oral oncology\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1368837525000132\",\"RegionNum\":2,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"DENTISTRY, ORAL SURGERY & MEDICINE\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Oral oncology","FirstCategoryId":"3","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1368837525000132","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"DENTISTRY, ORAL SURGERY & MEDICINE","Score":null,"Total":0}
Undifferentiated small round cell sarcoma of the parapharyngeal space in a 4.5-year-old patient:A rare case report
This case report describes a 4.5-year-old girl diagnosed with a rare Undifferentiated Small Round Cell Sarcoma (USRCS) originating in the parapharyngeal space with multiple lung metastases. Diagnostic workups, including imaging, immunohistochemistry, and genetic sequencing, identified the tumor as an unclassified subtype of USRCS. The patient was treated with the Ewing sarcoma chemotherapy regimen, alternating between VDC (vincristine + doxorubicin + cyclophosphamide) and IE (ifosfamide + etoposide), in combination with bevacizumab. The tumor achieved complete remission, and no recurrence has been observed during follow-up.
期刊介绍：
Oral Oncology is an international interdisciplinary journal which publishes high quality original research, clinical trials and review articles, editorials, and commentaries relating to the etiopathogenesis, epidemiology, prevention, clinical features, diagnosis, treatment and management of patients with neoplasms in the head and neck.
Oral Oncology is of interest to head and neck surgeons, radiation and medical oncologists, maxillo-facial surgeons, oto-rhino-laryngologists, plastic surgeons, pathologists, scientists, oral medical specialists, special care dentists, dental care professionals, general dental practitioners, public health physicians, palliative care physicians, nurses, radiologists, radiographers, dieticians, occupational therapists, speech and language therapists, nutritionists, clinical and health psychologists and counselors, professionals in end of life care, as well as others interested in these fields.
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