PMID: 2489327Aug 1, 1989Paper

Ossifying fibroma in maxilla. Report of case

Shigaku = Odontology; journal of Nihon Dental College
A NomuraK Furumoto

Abstract

Since first reported by Montgomery in 1927, ossifying fibroma, a benign neoplasm of bone or bone tissue, has been the subject of numerous studies. In the present paper, a case of ossifying fibroma in a woman is presented. The woman was 49 years old. She visited our clinic with a complaint of swelling in the right maxillary region. Thorough examinations were conducted. From X-ray, CT, scintigraphy and biopsy findings, the case was diagnosed as ossifying fibroma. Under a general anesthetic, the tumor was extirpated. It measured 40 x 40 x 60mm. It's weight, including that of teeth, was 60.5 g. Histopathological examination revealed fibroblasts and hard, bone-like masses of varying shapes in the connective tissue. Nearly one year has elapsed since the surgical operation. The patient is doing well. Since 1957, a total of 107 cases of ossifying fibroma have been reported in Japan. The ages of the patients were mostly between 10 and 49. By sex, 42 were male and 65 female. By region, in 28 case, fibroma occurred in the maxillary part, 68 in the mandibular part, and 11 in the region extending from maxillary to mandibular area. More 70% of the cases were fibroma originating in the molar area.

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