Journal of B.U.ON. : official journal of the Balkan Union of Oncology · 2018
Metastasis to parotid gland from non Head and Neck tumors.
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Emanuelli Enzo, Ciorba Andrea, Borsetto Daniele, Cazzador Diego, Sarcognato Samantha, Marino Filippo, Fusetti Stefano, Bianchini Chiara, Stomeo Francesco, Pelucchi Stefano
Аннотация
PURPOSE: Most primary tumors spreading metastasis to the parotid gland are usually located in the head and neck region, nonetheless, rarely, parotid gland can also be the target of metastatic localization site of distant primary tumors. The purpose of this study was to describe a clinical series of metastasis to the parotid gland from distant primary tumors (non Head & Neck).
METHODS: The clinical databases of parotid tumors in two academic centers have been analyzed and 11 cases of parotid metastatic cancers from distant primary tumors were found.
RESULTS: Primary tumor was lung cancer in 8 cases, and breast cancer, gastric carcinoma and pancreatic carcinoma in one case each.
CONCLUSIONS: Parotid metastases can be the first clinical manifestation of a malignant tumor from a distant site and can manifest years after curative-intent treatment of the distant primary. Histopathology and immunohistochemistry can help in the identification of the primary site. Parotidectomy with complete excision of the parotid lesion may have diagnostic and/or loco-regional control and/or curative intent, however there is still no international consensus about the therapy of parotid malignant metastasis.
METHODS: The clinical databases of parotid tumors in two academic centers have been analyzed and 11 cases of parotid metastatic cancers from distant primary tumors were found.
RESULTS: Primary tumor was lung cancer in 8 cases, and breast cancer, gastric carcinoma and pancreatic carcinoma in one case each.
CONCLUSIONS: Parotid metastases can be the first clinical manifestation of a malignant tumor from a distant site and can manifest years after curative-intent treatment of the distant primary. Histopathology and immunohistochemistry can help in the identification of the primary site. Parotidectomy with complete excision of the parotid lesion may have diagnostic and/or loco-regional control and/or curative intent, however there is still no international consensus about the therapy of parotid malignant metastasis.