One case of clinicopathological analyses of Ewing’s sarcoma easy to misdiagnosis as small cell lung cancer
Objective: To explore the Ewing’s sarcoma characteristics of clinicopathology, so as to avoiding the misdiagnosis influence treatment. Methods: The clinical data, histopathologic observation and immunohistochemical staining were studied in one case of pulmonary metastatic Ewing’s sarcoma, in order to explore their etiology, clinical manifestations and differential diagnosis combined with literatures. Results: Ewing’s sarcoma is a rare bone tumor without specific clinical features. This patient was mainly found lung placeholder, with history of Ewing’s sarcoma, and clinical doctors needed tell the difference between the lungs of primary small cell malignant tumor and metastasis Ewing’s sarcoma, the final pathology results were the small cell malignant tumor, combining with the history and immunohistochemical staining results accord with bone Ewing’s sarcoma pulmonary metastasis. Conclusion: Ewing’s sarcoma pulmonary metastasis is a rare, easily misdiagnosed as small cell lung cancer, so we should strengthen the understanding of Ewing’s sarcoma clinical and pathological features with combining with the history, avoiding or reducing the errors.