Abstract and keywords
Abstract (English):
The paper presents the results of a clinical observation of a 6-year-old female patient, who was admitted to the department of maxillofacial surgery of a multidisciplinary hospital under the compulsory health insurance system with a rare disease of the bone tissue of the lower jaw – desmoplastic fibroma. Desmoplastic fibroma of bone tissue (aggressive fibromatosis, desmoid fibroma) is a rare, locally aggressive, benign tumor localized in bone tissue, it is a mesenchymal fibroproliferative tumor with locally destructive growth, accounting for less than 0.03% of all human tumors. According to the literature, desmoplastic fibroma has a recurrence rate of 37% to 72%, resection of the affected bone is the preferred therapy, and, ideally, resection should be a single resection block. Wide excision is the method of choice for treating operable desmoid tumors in children. The article presents a dynamic observation within 1 year after surgical treatment. The article presents the clinical, radiological and computed tomographic picture of the disease and the results of instrumental and histological examination of a rare oncostomatological pathology. Purpose: clinical, radiological, 3D computed tomography observation of a child with desmoplastic fibroma of the lower jaw. Materials and methods: the results of a clinical examination, instrumental methods of X-ray diagnostics, stages of surgical treatment, a histological report and photographs of the patient's appearance are presented. Conclusion: Given the high regenerative capacity of bone tissue in children, it is necessary to perform surgical treatment of benign neoplasms by the type of marginal resection, that is, by the organ-preserving type, and to conduct dispensary observation of the patient during the first year.

maxillofacial surgery, desmoid fibromatosis, desmoid, neoplasm of the maxillofacial region, X-ray diagnostics

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