Oral eruption cysts in a child with hepatoblastoma.

Divisions of Pediatric Dentistry, Departments of Dentistry and Pediatrics, University of Rochester School of Medicine and Dentistry, University of Rochester, New York, NY 14620, USA.
Journal of Pediatric Hematology/Oncology (Impact Factor: 0.9). 08/2009; 31(7):509-11. DOI: 10.1097/MPH.0b013e3181a9748a
Source: PubMed


Oral eruption cysts develop when extravasated fluid, epithelial remnants of tooth embryogenesis, and blood obliterates the submucosal space encapsulating an erupting primary or permanent tooth. In immunocompetent children, these lesions are treated conservatively with watchful monitoring for spontaneous rupture, mucosal healing, and timely tooth emergence. We describe the clinical course for 2 oral eruption cysts in a child with Stage III hepatoblastoma treated with chemotherapy before liver transplant. This article provides recommendations for care when prophylactic surgical excision of oral eruption cysts is indicated in pediatric oncology patients.

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    ABSTRACT: Sixty nine pediatric patients with cystic lesions of the jaws were successfully diagnosed and treated. Thirty one (45%) were dentigerous cysts (D.C.), 15 (22%) were eruption cysts (E.C.), 12 (17.3%) were traumatic bone cysts (T.B.C.), nine (13.3%) were radicular cysts (R.C.), one (1.5%) was primordial cyst (P.C.) and one (1.5%) globulomaxillary cyst (G.M.C.). The mean age for E.C., R.C., D.C., T.B.C. was 4.7, 9.2, 11.5, and 13.3 years, respectively. The mean age of E.C. is significantly (P<0.05) younger than D.C. and T.B.C. but not from R.C. No significant age differences were found between R.C., D.C. and T.B.C. The differences in mean cyst diameter were not significant. Male to female ratio was 1. The treatment modalities were: marsupialization, enucleation or enucleation with bone grafting. The findings demonstrate that the distribution and characteristics of jaw cysts in children is unique and is different from the distribution in adults. The relatively high rate of developmental cyst and the fact that they occur in an area with rapid developmental changes, suggest the need for more conservative surgical management in this selected patient population.
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