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  • Title: Aneurysmal bone cysts of the head and neck in pediatric patients: a case series.
    Author: Segall L, Cohen-Kerem R, Ngan BY, Forte V.
    Journal: Int J Pediatr Otorhinolaryngol; 2008 Jul; 72(7):977-83. PubMed ID: 18433882.
    Abstract:
    OBJECTIVES: To characterize aneurysmal bone cysts (ABCs) of the head and neck as seen at a tertiary care center. DESIGN: A case series. METHODS: A retrospective chart review of pediatric patients with aneurysmal bone cyst of the head and neck treated at the Hospital for Sick Children during the years 1994-2006 was carried out. RESULTS: Nine patients with ABC were treated. The average age at diagnosis was 9.3 years (range: 5 months-15 years), six males and three females. Four cysts originated in the paranasal sinuses, two in the mandible, one in the zygoma, one in the mastoid and one in the parietal bone. Two cases were associated with a previous localized trauma (mandible, zygoma). 5/9 presented with pain, 4/9 presented as an asymptomatic mass, 2/9 were associated with proptosis and nasal obstruction, 2/9 with nasal obstruction and 1/9 presented with an aural polyp. Seven cysts were successfully excised while one (in the pterygomaxillary fossa) is being followed conservatively. In one case the ABC was found to be secondary to an extensive osteoblastoma and this child continuous to be problematic. Follow-up time ranged from 2 years and 6 months to 10 years. CONCLUSIONS: ABC of the head and neck may vary in presentation and severity. Surgical removal is the treatment of choice at our institution and may provide a satisfying outcome. ABC may be secondary to an underlying bone pathology (e.g., osteoblastoma) which may make it refractory to treatment.
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