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Abstract：
Background Fibro-osseous (FO) lesions are slow-growing benign lesions in the paranasal sinuses. They include osteomas, fibrous dysplasia (FD), and ossifying fibro-ma (OF). Fibro-osseous (FO) lesions are frequently asymptomatic, and they are incidentally found on imaging. They are characterized by different histological, radiological, and clinical variants. Depending on symptoms, size, location, and extension, the treatment strategy varies significantly for these lesions. Objective We aim to compare the age, onset, gender, clinical presentation, postoperative improvement, and complications of a fibro-osseous lesion in the paranasal sinuses. Methods A retrospective analysis was done targeting patients diagnosed with benign fibro-osseous (FO) lesions, and the incidence among 403 patients who underwent functional endoscopic sinus surgery (FESS) at Aseer Central Hospital, Kingdom of Saudi Arabia, was reviewed from January 2013 to January 2022. Results A total of seven patients were found; five patients were diagnosed with osteoma, and two were diagnosed with fibrous dysplasia. There were no ossifying fibroma cases. The patients\' mean age was 25.5 ± 12.9 years old. Four (57.1%) patients were males, and three (42.9%) were females, with a male/female ratio of 1.25:1. The most common locations were the frontal sinus and ethmoid sinus, and the two cases of fibrous dysplasia involved almost all facial bones. The endonasal endoscopic approach was chosen to treat all seven patients. Conclusions There are differences in the onset age, location, and complications postoperatively among osteoma and fibrous dysplasia patients. Osteoma most commonly occurs in the frontal sinus, while fibrous dysplasia involved all facial bones in our study. Endoscopic surgery is currently the primary strategy for treatment.
摘要：
背景纤维骨（FO）病变是鼻旁窦中生长缓慢的良性病变。它们包括骨瘤，纤维发育不良（FD），和骨化纤维瘤（OF）。纤维骨（FO）病变通常无症状，它们是在成像时偶然发现的。它们的特点是不同的组织学，放射学,和临床变异。根据症状,尺寸,location,和延伸，这些病变的治疗策略差异很大.目的我们的目的是比较年龄，发病，性别,临床表现,术后改善，和鼻旁窦纤维骨性病变的并发症。方法回顾性分析诊断为纤维骨良性病变的患者,在Aseer中心医院接受功能性内窥镜鼻窦手术（FESS）的403例患者中，沙特阿拉伯王国,从2013年1月到2022年1月进行了审查。结果共发现7例患者,5例患者诊断为骨瘤,还有两人被诊断为纤维发育不良。无骨化性纤维瘤病例。患者平均年龄为25.5±12.9岁。四名(57.1%)患者为男性,三名(42.9%)为女性,男女比例为1.25:1。最常见的部位是额窦和筛窦,两例纤维发育不良病例几乎累及所有面部骨骼。选择经鼻内镜入路治疗所有7例患者。结论发病年龄存在差异,location,骨瘤和纤维发育不良患者的术后并发症。骨瘤最常见于额窦，在我们的研究中，纤维发育不良涉及所有面部骨骼。内镜手术是目前治疗的主要策略。
