Surgical treatment of thoracic metastases of adenoid cystic carcinoma of the base of the tongue: a case report

Background: Adenoid cystic carcinoma (ACC) is a rare malignant tumor that typically originates from the minor and major salivary glands. This type of cancer known for its protracted clinical course, characterized by slow growth, extensive invasion, ability to generate distant recurrent metastases, commonly affecting lungs bones. While ACC metastases have been observed in various anatomical locations, occurrence sternal metastasis tongue has not previously reported.