鼻腔鼻竇畸胎癌肉瘤臨床病理學(xué)觀察及分析
[Abstract]:Objective: to investigate the clinicopathological features, immunophenotype, diagnosis and differential diagnosis of teratosarcoma of nasal cavity and paranasal sinuses (SNTCS). Methods: the clinical manifestations of one case of SNTCS were analyzed. The pathological and immunohistochemical (SP) staining methods were used to observe and review the relevant literature. Results: the tumor tissue was composed of three layers, including mature and immature squamous cell nests, neuroepithelial cell clusters and olfactory blast-like cells, sarcomatoid components and bone tissue of mesoderm. The respiratory epithelium and glandular tubules of the endoderm are partly adenocarcinoma, and the nests of the squamous cells of the puerile transparent cells are very characteristic. In addition, we can see a large area of diffuse cytoplasm rich light stained area and less cytoplasm deep stained area. Immunohistochemical staining showed that the corresponding immunological markers were found in different embryonic layers, such as CK,EMA positive in squamous epithelium, glandular epithelium and respiratory tract epithelium, S-100NSE-Syn positive in neuroepithelial cell clusters and olfactory mother cell-like cells, and Vim positive in sarcomatoid region. Vim,CD99 and CK were positive in light stained area and NSE and GFAP in deep stained area. Conclusion SNTCS is a rare malignant tumor with the characteristics of teratoma and carcinosarcoma. It has the characteristics of histopathology and immunohistochemical staining. We should take more materials and sections to avoid misdiagnosis and missed diagnosis.
【作者單位】: 內(nèi)蒙古自治區(qū)人民醫(yī)院病理科;
【分類號(hào)】:R739.62
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