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Objective: Fibrous dysplasia is a slowly progressing bone lesion resulting from displacement of the normal medullary bone with abnormal fibroosseous tissue. The aim of this study was to assess the similarities and differences of our cases in relation to published reports. Material and Method: In this study, the archives of the Uludag University Medical Faculty Department of Pathology were screened for fibrous dysplasia cases between 2004 and 2016. Results: Within the mentioned period, there were 36 cases diagnosed as fibrous dysplasia. There were 21 male, and 15 female cases with an average age of 27.8±14.8 years (range 7-79 years). The most frequently affected sites were femur, costae, and craniofacial bones. There was one case localized to metacarpal bone, a very rare affection site. There were 4 polyostotic cases including 2 cases of McCune-Albright syndrome. Pelvic bone was affected in the polyostotic type, similar to published reports. Unlike former reports, however, long tubular bones were affected in male patients in our series. In our series, 32 cases had classical fibrous dysplasia, 3 cases had fibrocartilaginous, and one case had fibroosseous variants. Four cases localized to costae were accompanied by aneurysmal bone cyst. The presenting symptom was pathological fractures in a total of 4 cases, 3 localized to the femur, and 1 to the costa. Recurrence occurred in 5 cases treated with curettage. Two of the monostotic fibrous dysplasia cases developed malignant transformation into osteosarcoma. Conclusion: We conclude that our series of fibrous dysplasia cases have slight differences and mainly similar characteristics with the series reported earlier, when all features are taken into consideration. [ABSTRACT FROM AUTHOR]

Background: We aimed to compare two (plate-screws and locked intramedullary nail) biological internal fixation techniques in the treatment of adult femur shaft fractures., Methods: Group I included 28 patients operated with biological internal fixation with plate and screws. Group II consisted of 31 patients operated with locked intramedullary nailing technique. During the follow-up period in Group I, 1 patient died and 3 patients dropped out of the study, so the results of 24 patients were evaluated. During the follow-up period in Group II, 2 patients died and 3 patients dropped out of the study, so the results of 26 patients were evaluated in this group., Results: Age, sex, injury mechanism, fracture type, time to operation, duration of operation, amount of bleeding, fluoroscopy usage time, early and late complications, duration of hospitalization, fracture union time, and functional results of all patients were comparatively evaluated., Conclusion: According to our results, no superiority of either technique was demonstrated with respect to fracture union time, complication rate and functional results. Biological internal fixation with plate and screws is an alternative technique to locked intramedullary nailing in patients with multi-trauma or compromised pulmonary or cardiac function, or in complex comminuted or segmented diaphyseal or metaphyseal fractures.