title: High-frequency ultrasound associated with dermoscopy in pre-operative evaluation of basal cell carcinoma.
abstract: The recent development of high-frequency ultrasound, associated with the improved sensitivity in color Doppler, enabled the identification of various skin structures and layers. In basal cell carcinoma, the 22 MHz frequency ultrasound permits the delimitation of tumor margins, while color Doppler, determines its vascularization. We present two cases in which the association of both exams allowed an in vivo analysis of the tumor's morphology, size, thickness and vascularization, thus contributing to a better pre-operative evaluation.
authors.affiliation: Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
authors.forename: Elisa de Oliveira
authors.initials: Ede O
authors.lastname: Barcaui
authors.affiliation: Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
authors.forename: Antonio Carlos Pires
authors.initials: AC
authors.lastname: Carvalho
authors.affiliation: Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
authors.forename: Paulo Marcos N
authors.initials: PM
authors.lastname: Valiante
authors.affiliation: Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brasil.
authors.forename: Carlos Baptista
authors.initials: CB
authors.lastname: Barcaui
mesh_terms: D000368:Aged; D002280:Basal Cell Carcinoma / Q000000981:diagnostic imaging* / Q000473:pathology*; D046169:Dermoscopy / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D057234:Preoperative Period; D015203:Reproducibility of Results; D012878:Skin Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology*; D047368:Tumor Burden; D018615:Ultrasonography, Doppler, Color / Q000379:methods*