Marcadores preditivos do comprometimento das margens cirúrgicas do carcinoma basocelular

Abstract

Basal cell carcinoma (BCC) is the most common human malignancy and it is increasing its incidence in the Caucasian population. The significant prevalence of cases in specialized health services indicates the need of assessment of cure rates. The present study analyzed clinical predictive markers of compromised surgical margins in BCC in association with a panel of Immunohistochemistry (IHC) markers. We analyzed 1294 BCC histopathological reports during 2011, and 674 cases of complete surgical excision performed by different specialties in a tertiary hospital were included. From the sample, 40 cases of different histological subtypes were selected to perform IHC markers Ber-EP4, MNF116, E-cadherin and VEGF, which were analyzed by digital image capture system and computer program. There was male predominance (60.4%) with mean age of 68 years, location at cephalic segment (71%) and nodular subtype (61%); ulceration (p= 0.003) and higher average size of CBC in men (307.41 mm 2 x 190.74 mm 2 ; p< 0.001); superficial subtype was more frequent on trunk (p< 0.001) and in younger than 73 years (p< 0.001); nodular subtype (p< 0.001) and ulceration (p= 0.05) at cephalic segment. The specialty Dermatology performed the majority of surgeries (78%), and the average size and the index of free surgical margins were 274 mm 2 and 95% in Dermatology, 279 mm 2 and 89% in