Pleomorphic adenoma of the head and neck in children: presentation and management

Objective

Pleomorphic adenoma is the most common benign salivary gland neoplasm in children. Recurrence and malignant transformation are concerns necessitating proper treatment.

The goal of this research was to discuss the presentation, evaluation, and management of pediatric pleomorphic adenoma of the head and neck.

Methods

Retrospective chart review of patients under 20 years of age treated for pleomorphic adenoma of the head and neck between 1998 and 2017. Data assessed included demographics, clinical presentation, imaging, treatment, complications, recurrence, and follow‐up.

Results

Forty‐one patients with pleomorphic adenoma were identified. Major salivary gland lesions were most common (n = 32, 78.0%); 78.1% (25 of 32) arising in the parotid and 21.9% (7 of 32) in the submandibular glands. Minor salivary gland lesions were removed from the palate (5 of 9, 55.6%), buccal mucosa (2 of 9, 22.2%), parapharyngeal space (1 of 9, 11.1%), and upper lip (1 of 9, 11.1%). Preoperative imaging was reviewed in 32 patients and consisted of nine ultrasound exams, 15 computerized tomography (CT) exams, and 23 magnetic resonance imaging (MRI) exams. Multimodality imaging was performed in 14 of 32 patients. Surgical excision was performed in all patients. Postoperative complications included transient facial paresis (n = 9), Frey syndrome (n = 1), and bacterial pharyngitis (n = 1). Average length of follow‐up was 25.5 months; confirmed recurrence occurred in two patients (4.9%).

Conclusion

Evaluation of pleomorphic adenoma in children should include preoperative imaging. The goal of surgery should be complete surgical excision with negative margins. Rate of recurrence is low; however, prolonged monitoring is recommended.

Level of Evidence

4. Laryngoscope, 2018

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