Cervical Lymph Node Metastasis: Unusual Presentation of Adenoid Cystic Carcinoma - Diagnosed By FNAC

Cervical Lymph Node Metastasis: Unusual Presentation of Adenoid Cystic Carcinoma - Diagnosed By FNAC

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Adenoid cystic carcinoma Melatonin (ACC) is a rare neoplasm that usually arises from minor salivary glands.It is characteristically locally infiltrative, exhibiting perineural invasion, has a tendency for local recurrence and prolonged clinical course.A 60 year old male, chronic smoker presented with swelling of the left cervical lymph node since two months.Examination revealed a solitary firm, non tender, non mobile left cervical swelling measuring 2 x 1 cm.Fine Needle Aspiration Cytology (FNAC) was done from the cervical lymph node.

The diagnosis of metastatic deposits of ACC was given.Detail examination of the oral cavity revealed a small swelling at the floor of the mouth.Biopsy of the swelling confirmed ACC on histopathological examination.An unusual feature of adenoid cystic carcinoma is the low incidence of metastases to Girls Sweater regional lymph nodes.The case is presented to highlight its unusual presentation and utility of FNAC in rapid diagnosis.