ARFI elastography as a complementary diagnostic method for mammary neoplasia in female dogs - preliminary results

Autor(es)

Feliciano, M. A. R. ^[1] ; Maronezi, M. C. ^[2] ; Pavan, L. ^[1] ; Castanheira, T. L. ^[3] ; Simoes, A. P. R. ^[1] ; Carvalho, C. F. ^[4] ; Canola, J. C. ^[2] ; Vicente, W. R. R. ^[1]

Afiliação do(s) autor(es)

^[1] Sao Paulo State Univ UNESP, Coll Agr & Vet Sci, Dept Anim Reprod, Sao Paulo - Brazil

^[2] Sao Paulo State Univ UNESP, Coll Agr & Vet Sci, Dept Vet Surg, Sao Paulo - Brazil

^[3] Sao Paulo State Univ UNESP, Coll Agr & Vet Sci, Dept Anim Pathol, Sao Paulo - Brazil

^[4] Univ Sao Paulo, Dept Radiol, Sao Paulo - Brazil

• Tipo de documento: Artigo Científico
• Fonte: JOURNAL OF SMALL ANIMAL PRACTICE; v. 55, n. 10, p. 504-508, OCT 2014.
• Citações Web of Science: 20

Resumo

OBJECTIVES: To evaluate the applicability of acoustic radiation force impulse elastography as a complementary method in diagnosing mammary neoplasia in dogs. METHODS: Mammary tumours from 50 female dogs were evaluated and divided into two groups: G1 (benign tissue) and G2 (malignant tumours). The nodules were assessed by B-Mode ultrasonography, qualitative and quantitative acoustic radiation force impulse elastography and histopathology. RESULTS: B-Mode ultrasound examination was ineffective at separating the tumours into the two groups. Likewise, there was no correlation between the grayscale images of the mammary tissue by qualitative elastography. A difference was found in the deformity of the mammary masses between the malignant and benign groups (P=0.002). Using quantitative elastography, the mean values of shear velocity were 3.33 m/s for malignant tumours and 1.28 m/s for benign tissue (P<0.0001). CLINICAL SIGNIFICANCE: The use of acoustic radiation force impulse elastography may help to differentiate between malignant and benign mammary neoplasms. (AU)

• Processo FAPESP: 12/16635-2 - Elastografia, ultrassonografia com contraste por microbolhas e Doppler como métodos de diagnóstico das neoplasias mamárias, afecções prostáticas e testiculares em cães
• Beneficiário: Marcus Antônio Rossi Feliciano
• Modalidade de apoio: Auxílio à Pesquisa - Jovens Pesquisadores
• Processo FAPESP: 13/06443-1 - Elastografia, ultrassonografia com contraste por microbolhas e Doppler como métodos de diagnóstico das neoplasias mamárias, afecções prostáticas e testiculares em cães
• Beneficiário: Marcus Antônio Rossi Feliciano
• Modalidade de apoio: Bolsas no Brasil - Jovens Pesquisadores