Alkaline Phosphatase Profile of Patients with Fibro-Osseous Lesions

Document Type : Original

Authors

1 Maxillofacial Surgery Unit, Alex Ekwueme Federal Teaching Hospital, Abakaliki, Ebonyi State, Nigeria.

2 Maxillofacial Surgery Unit, Ahmadu Bello University Teaching Hospital, Zaria, Kaduna State, Nigeria.

3 Chemical Pathology Department, Ahmadu Bello University Teaching, Zaria, Kaduna State, Nigeria.

Abstract

Introduction:
Although some studies on craniofacial fibro-osseous lesions have assayed serum alkaline phosphatase levels of affected patients, the findings of these reports are often inconclusive. The aim of this study was to determine the association between the serum ALP levels of individuals with craniofacial fibro-osseous lesions (CFOLs) and treatment outcome.
Materials and Methods:
Consecutive patients who presented at the Ahmadu Bello University Teaching Hospital, Zaria from May, 2016 to December, 2017 with lesions histologically diagnosed as CFOLs. The Speight and Carlos’ (2006) classification of CFOLs was adopted, and the serum ALP level of patients and their age- and- gender matched apparently healthy controls were measured at presentation, and repeated at the 3rd and 6th post-operative months for subjects only. Treatment outcomes were assessed 6 months post treatment.
Results:
Fifty cases of CFOLs were recorded with a male preponderance, while fibrous dysplasia was the most prevalent lesion, and the maxilla was the most affected jaw (62%). Only 11 subjects had elevated serum ALP levels at presentation, and the mean serum ALP level of subjects with CFOLs was higher (341.2 ± 198.1 IU/L) than that of their age-and gender-matched controls (190.7 ± 110.2 IU/L). With the exception of subjects whose lesions recurred, there was a decrease in the mean serum ALP levels of subjects by the 3rd (245 ± 170.2 IU/L) and 6th (240.5 ± 172.7 IU/L) months post-treatment. Thirty three subjects had elimination of lesions, while three cases each recurred or developed morbidity.                     
Conclusion:
The treatment outcomes of patients with fibrous dysplasia appear to be associated with their serum ALP level. Therefore, serial serum ALP level monitoring suggested in the management of patients with fibrous dysplasia of the craniofacial region.

Keywords

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Iranian Journal of Otorhinolaryngology
Volume 34, Issue 6
November and December 2022
Pages 311-318

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