Carcinoma ex pleomorphic adenoma of the trachea: A case report

被引：2

作者：

Heng-Xing Gao ^{[1
]}

Quan Li ^{[2
]}

Wen-Li Chang ^{[3
]}

Ya-Long Zhang ^{[3
]}

Xiao-Zhi Wang ^{[1
]}

Xue-Xue Zou ^{[2
]}

机构：

[1] Respiratory Department, Binzhou Medical University Hospital

[2] Department of Radiology, Binzhou Medical University Hospital

[3] Department of Pathology, Binzhou Medical University Hospital

来源：

World Journal of Clinical Cases | 2019年 / 17期

关键词：

Case report; Carcinoma ex pleomorphic adenoma; Trachea; Pleomorphic adenoma;

D O I：

暂无

中图分类号：

R734.1 [气管、支气管肿瘤];

学科分类号：

100214 ;

摘要：

BACKGROUND Carcinoma ex pleomorphic adenoma(CXPA) is defined as a malignant salivary gland tumor arising from a primary or recurrent pleomorphic adenoma. Only three cases of CXPA of the trachea have been reported in the literature.CASE SUMMARY We report a case of tracheal CXPA in a 55-year-old woman, who presented with a more than 3-mo history of progressive dyspnea. Computed tomography of the neck and thorax revealed an inhomogeneous, broad-based lesion arising from the tracheal wall on the right side. Endoscopy revealed a subglottic neoplasm causing up to 90% luminal stenosis. The tumor was resected using a highfrequency electrosurgical snare combined with argon plasma coagulation.Histopathology and immunohistochemistry revealed that the tumor was a CXPA of the trachea.CONCLUSION We report the fourth case of tracheal CXPA, and present the first instance of resection of CXPA using high-frequency electrosurgical snare and laser ablation.We also discuss the pathogenesis, diagnosis, histopathology, and systemic therapy of this rare disease.

引用

页码：2623 / 2629

页数：7

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