Κυριακή 16 Φεβρουαρίου 2020

Fibro‐osseous Lesions of Paranasal Sinus and Craniofacial Region: A Retrospective Study of 282 Cases

Fibro‐osseous Lesions of Paranasal Sinus and Craniofacial Region: A Retrospective Study of 282 Cases:

Objectives

To compare the clinical characteristics of osteoma, ossifying fibroma (OF) and fibrous dysplasia (FD) in the paranasal sinus and craniofacial regions.

Methods

Totally 282 patients (112 males, 170 females) with osteoma (161), OF (44), and FD (77) involving the paranasal sinus, skull base and orbit treated surgically from January 2012 to August 2018 were analyzed retrospectively.

Results

For osteoma, OF and FD, the onset ages were 40.3 (6–75), 24.5 (5–62), and 15 (1–63) years, and the most common locations were ethmoid sinus (49.7%), maxilla (36.4%) and maxilla (49.4%), respectively. There were significant differences of the preoperative serum alkaline phosphatase (ALP) levels between patients with osteoma (65 [25,184] U/L), OF (85.5 [41,474] U/L), and FD (104 [39,362] U/L) (Z = 44.9, P < .05). The ALP levels of OF and FD patients were comparable between monostotic and polyostotic lesions (P > .05). The recurrent rates of osteoma, OF, and FD were 0%, 13.6%, and 15.6%, respectively. The recurrent OF cases had significantly higher ALP level than the primary ones (283.5 [108,474] U/L vs. 76 [41,348] U/L, U = 14, P < .05).

Conclusion

There are differences in the onset age, location, and recurrence rate among osteoma, OF and FD involving the paranasal sinus and craniofacial region. Osteoma most commonly occurs in the ethmoid sinus, while OF and FD involve the maxilla most and are more likely to involve the orbit and the skull base, respectively. Endoscopic surgery is currently the main method for treatment, but individualized treatment regimen should be developed for patients.

Level of Evidence

IV
Laryngoscope, 2020

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