Structural characterization of canine mammary tissue by x-ray diffraction

被引：0
|
作者：
Fagundes, A. C. F. [1 ]
Lopes, L. M. [1 ]
Antoniassi, M. [2 ]
Sousa, R. S. [3 ]
Mazzaro, I. [4 ]
Conceicao, A. L. C. [1 ,2 ,5 ]
机构：
[1] UTFPR, Grad Program Elect & Comp Engn, Av Sete Setembro 3165, BR-80230901 Curitiba, Parana, Brazil
[2] Univ Tecnol Fed Parana, Dept Phys, Av Sete Setembro 3165, BR-80230901 Curitiba, Parana, Brazil
[3] Univ Fed Parana, Dept Vet Med, Rua Funcionarios 1540, BR-80035060 Curitiba, Parana, Brazil
[4] Univ Fed Parana, Dept Phys, Rodovia BR 116,Km 98 8813, BR-8153198 Curitiba, Parana, Brazil
[5] DESY, Photon Sci, Notkestr 85, D-22607 Hamburg, Germany
来源：
RADIATION PHYSICS AND CHEMISTRY | 2019年 / 155卷
关键词：
X-ray Diffraction; Canine breast cancer; Structural characterization; HUMAN BREAST TISSUES; SCATTERING; PROGNOSIS; TUMORS; CLASSIFICATION; SIGNATURES;
D O I：
10.1016/j.radphyschem.2018.07.018
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The life expectance in canines is increasing due to the improvement in health care. However, some age diseases as mammary cancer are arising and represent about 50% of the cancers diagnosed in females. Nowadays, researches are focusing efforts to identify structural changes into canine mammary tissues due to cancer progression. In this sense, X-ray diffraction is a powerful tool for this purpose. Therefore, this study aims to characterize structurally the normal and cancerous canine mammary tissue by X-ray diffraction. A total of 83 canine mammary samples histopathologically classified as normal, benign and malignant, were used in this study. Using a commercial powder diffractometer, the scattering profiles of each sample were determined. From these scattering profiles, two broad peaks were identified at q = 13.9 nm(-1) and q = 19.8 nm(-1). The values of intensity of both peaks and the ratio of these intensities were obtained. Significant difference between all pairs of group of investigated tissues was observed. Finally, the strong similarity between normal and pathological human and canine tissue found in this study corroborates to comparative oncology between humans and canines.
引用
收藏
页码：22 / 25
页数：4
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