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Lung adenocarcinoma metastasis to paranasal sinus: A case report
Wen-Jing Li1, Hai-Xiang Xue1, Jian-Qiang You1
1Department of Otolaryngology Head and Neck Surgery, The Third Affiliated Hospital of Soochow University, Changzhou 213000, Jiangsu Province, China.
Background:
Lung cancer is often metastasized to the brain, liver, kidneys, bone, bone marrow, and adrenal glands; however, metastasis of primary lung cancer to the paranasal sinuses is extremely rare.
Case Summary:
In this paper, we present a case of metastatic tumors of the sinus secondary to lung adenocarcinoma. The patient was a 46-year-old woman who underwent surgical removal of lung carcinoma. Four months after the surgical removal of the lung tumor, the patient presented with epistaxis, and on investigation, the diagnosis was confirmed to be nasal sinus tumors due to metastasis of lung adenocarcinoma.
Conclusion:
Thorough investigation of patients with epistaxis and a history of lung cancer is necessary to diagnose metastatic sinus tumors. We reviewed relevant literature and found that there are no characteristic clinical or radiologic features for metastatic sinus tumors; however, the diagnosis can be confirmed by histopathological examination of biopsied tumor sample.
