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Article in Japanese
Abstract
Case Report
An asymptomatic case of Askin tumor with EWS gene translocation
Hideki Miwaa,b Rie Anazawab Masaki Suzukib Yoshihiro Mikib Kazuhiro Tomitab Hidenori Nakamurab Yoshiya Inouec
aDepartment of Respiratory Medicine, Chiba University School of Medicine
bDepartment of Respiratory Medicine, Seirei Hamamatsu General Hospital
cDepartment of Musculoskeletal Tumor Surgery, Seirei Hamamatsu General Hospital
ABSTRACT
A 21-year-old woman with no symptoms was referred to our hospital because of an abnormal shadow on her chest X-ray. Lung cancer was suspected, but examinations by bronchoscopy did not reach a definitive diagnosis. A CT-guided needle biopsy led to the diagnosis of Askin tumor because small round tumor cells, CD99 expression, and EWS gene translocation were discovered. She was administered systemic chemotherapy and irradiation before wide excision. She now remains free from local recurrence and metastasis.
KEYWORDS
Askin tumor Ewing sarcoma/PNET Thoracic wall tumor Small round tumor cell
Received 14 Jan 2014 ／ Accepted 16 May 2014
AJRS, 3(5): 690-694, 2014
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