Nevi analysis by ultrasound
Rute Santos, Vanessa Fonseca, Medical Imaging and Radiotherapy Coimbra Health School, Polytechnic Institute of Coimbra
Ultrasonography, including B mode and elastography, is a noninvasive imaging technique, free of ionizing radiation and it represents an excellent tool in the diagnosis of different skin changes.
Purpose:
To evaluate and characterize the nevi by ultrasound elastography.
Materials and methods:
This study was composed by 66 participants aged between 18 and 70 years. Participants who had scars and/or tattoos in the study area were excluded. After the informed consent, all participants answered personal and sociodemographic questions, such as age, ethnicity, sun exposure, use of sunscreen, among others. Then, the selected nevi were photographed, and ultrasound was performed on different areas of the skin and the elastography on the nevi.
Results:
According to rule ABCDE, the signs were normal and, through the elastography, it was possible to verify that there was predominance of green color, which is compatible with intermediate stiffness.
Conclusion:
It was possible to verify that the assessed nevi are normal, being concordant with the predominance of green color in elastography and the ultrasound elastography showed to be a good method to evaluate nevi.