Profile of usage of a reference diagnostic service on oral pathology: a 10-year evaluationReport as inadecuate

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BMC Health Services Research

, 14:653

Utilization, expenditure, economics and financing systems


BackgroundDespite the professional and academic relevance of the Brazilian oral pathology diagnostic laboratories, no information about their usage profile is available in the English literature. The objective of the present study is to report data about the histopathological and immunohistochemical exams performed in a Brazilian regional reference laboratory of oral pathology, as well as its main users.

MethodsInformation about all histopathological exams performed between 2002 and 2012 was retrieved from the files of the Oral and Maxillofacial Pathology Service of the School of Dentistry of Universidade Federal de Minas Gerais. Data collected included: 1 requestor of exam; 2 diagnosis classification; and 3 immunohistochemical tests. Descriptive statistical analyses were done.

Results13,522 histopathological exams were performed, mean 1,229-year. The Public Health System of the city of Belo Horizonte was the main requestor of exams 77.13%, followed by private professionals 19.26%, and other cities 2.03%. Most lesions were considered benign 12,599- 93.17%, with 854 malignant lesions 6.32%. 469 immunohistochemical tests were performed; 324 69.08% were from benign diagnosis, and 145 30.92% from malignant diagnosis. The most used antibodies were against S100, vimentin, smooth muscle actin, actin muscle specific HHF-35, and pan-cytokeratin AE1-AE3.

ConclusionsPublic Health System is the major user of the diagnostic service on oral pathology in our institution. Most diagnoses were of benign lesions, although many malignant lesions were detected. Immunohistochemistry was particularly important in solving challenging cases.

KeywordsOral pathology Oral diagnosis Public Health Epidemiology AbbreviationsPHSPublic Health System

SOBEPBrazilian Society of Oral Stomatology and Pathology

Electronic supplementary materialThe online version of this article doi:10.1186-s12913-014-0653-7 contains supplementary material, which is available to authorized users.

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Author: Karla Rachel Oliveira e Silva - Ana Luísa Lara Siqueira - Patrícia Carlos Caldeira - Mauro Henrique Nogueira Guimarãe


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