【可检验皮肤肿瘤的“虚拟活检”装置】

【可检验皮肤肿瘤的“虚拟活检”装置】美国罗格斯大学研究者开发了一种“虚拟活体组织检查”的设备,旨在不开刀的前提下快速确定皮肤病变情况。该设备通过声波振动和近红外光脉冲,建立皮下3D影像,并测试病变区域的密度和硬度,来区分健康皮肤及不同类型的皮肤病变,甚至皮肤癌,检查可在15分钟之内完成,期间患者不会有任何不适。

This "virtual biopsy" device may help detect skin tumours

Researchers have developed a "virtual biopsy" device that can distinguish between healthy skin and different types of skin lesions and carcinomas.
The ability to analyse a skin tumour non-invasively could make biopsies much less risky and distressing to patients, according the study published in the journal Skin Research and Technology.

屏幕快照 2019-06-16 上午11.53.51
To develop the device that can quickly determine a skin lesion's depth and potential malignancy without using a scalpel, the researchers used sound vibrations and pulses of near-infrared light.

"This procedure can be completed in 15 minutes with no discomfort to the patient, who feels no sensation from the light or the nearly inaudible sound. It's a significant improvement over surgical biopsies, which are expensive and time consuming," said study lead author Frederick Silver, Professor at Rutgers University in the US.

The experimental procedure, called vibrational optical coherence tomography (VOCT), creates a 3D map of the legion's width and depth under the skin with a tiny laser diode, said the study.
It also uses sound waves to test the lesion's density and stiffness since cancercells are stiffer than healthy cells. An inch-long speaker applies audible sound waves against the skin to measure vibrations and determine whether the lesion is malignant.
For the findings, the research team tested the device over six months on four skin excisions and on eight volunteers without skin lesions.
原文链接:https://www.gadgetsnow.com/tech-news/this-virtual-biopsy-device-may-help-detect-skin-tumours/articleshow/69803328.cms?from=mdr

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