[Gigantic giant cell fibroma in Department of Oral Pathology, Faculty of Dentistry, Chulalongkorn University].

An unusual case of gigantic giant cell fibroma was reported and included in the series of 3 cases seen at Department of Oral Pathology, Faculty of Dentistry, Chulalongkorn University, during the past 14 and a half years since this particular lesion was first described in 1974. These 3 cases, representing 0.5% of all fibrous lesions, were presented and discussed according to their distribution, location, sex, incidence, clinical and histologic appearance in reference to the literature. This article also discussed the importance of biopsy and recommended that it should be routinely done to obtain a definite diagnosis of the lesion.