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Multicentric recurrent parotid pleomorphic adenoma in a child
Mireya Bonet-Loscertales1, Miguel Armengot-Carceller, John Gaona-Morales
1General and University Hospital, ENT Department, Valencia, Spain. caloteca@hotmail.com
Medicina Oral, Patologia Oral Y Cirugia Bucal
|February 23, 2010
Summary
Recurrent pleomorphic adenoma in children is rare but linked to hypocellular subtypes and prior tumor enucleation. Total parotidectomy is recommended to prevent recurrence in pediatric parotid gland tumors.
Area of Science:
- Pediatric Oncology
- Head and Neck Surgery
- Pathology
Background:
- Mixed tumors of the parotid gland are uncommon in children.
- Recurrence rates for parotid gland tumors are generally low, but certain factors may increase risk.
Observation:
- A case of a multicentric, doubly recurrent parotid pleomorphic adenoma in a 9-year-old child is presented.
- Recurrences occurred 7 and 14 years after initial tumor enucleation.
- All resected nodules exhibited the hypocellular variant of pleomorphic adenoma.
Findings:
- Female sex, young age, hypocellular histological subtype, and tumor enucleation are identified as potential risk factors for recurrence.
- The presented case suggests a strong correlation between prior surgical enucleation, the hypocellular subtype, and tumor recurrence.
- Multifocal nature of the tumor may also contribute to recurrence.
Implications:
- Tumor enucleation appears to be a significant risk factor for parotid pleomorphic adenoma recurrence in pediatric patients.
- Total parotidectomy is proposed as the treatment of choice for pleomorphic parotid adenoma, even in childhood, to minimize recurrence.
- Further research into risk factors and optimal surgical management for pediatric parotid gland tumors is warranted.