Lung metastasectomy in adenoid cystic cancer: Is it worth it?

Adenoid cystic carcinoma (ACC), a rare malignant tumor with an incidence of 3–4.5 cases per million, represents 1% of all head and neck malignancies [1]. Adenoid cystic carcinoma typically affects minor and major salivary glands, such as parotid, submandibular, and sublingual salivary glands. Less frequently, it can also affect the lacrimal and serous glands or respiratory mucosa. Altogether, it represents about 10% of all tumors of the salivary glands [2]. The clinical behavior of this tumor usually has been described as indolent; however, it has been shown that ACC is correlated with an inauspicious prognosis when it invades perineural tissues.

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