Gargantuan carcinoma ex-pleomorphic adenoma of the submandibular gland: Case report and review of literature.

Introduction: Pleomorphic adenoma is the most common neoplasm of the major salivary glands, and can undergo malignant transformation to carcinoma ex-pleomorphic adenoma (CXPA) in untreated patients.

Case Presentation: Our case describes a 56-year-old male with a 15-year history of slowly growing expansive right-sided neck. He underwent excision of the neck mass, neck dissection, and pectoralis flap reconstruction.