Metachronous, solitary parotid gland metastasis of primary lung adenocarcinoma: a misdiagnosed case report and literature review
نویسندگان
چکیده
Parotid gland metastasis of lung cancer is extremely rare, especially as the only metastatic site of lung adenocarcinoma, no case has been reported. We sum up the experiences of missed-diagnosis through analyzing the diagnosis and management process of a 66-year-old Chinese male patient retrospectively who presented with parotid gland metastases of lung adenocarcinoma and reviewed related literatures. In conclusion, a potential metastases of lung cancer should not be ignored although it is extremely rare. Especially in patients with a prior history of cancer where the possibility of metastasis, even if improbable, should be kept in mind. Fine needle aspiration (FNA) is the first diagnostic procedure to be done and immunocytochemistry can provide valuable information. Superficial parotidectomy when feasible with adjuvant radiotherapy is the preferred approach for solitary metastasis of the parotid. The prognosis, however, remains poor regardless of the treatment modality used.
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