Raise your voice for a thyroid test
Diabetes Health|April - May 2021
The thyroid is a butterfly-shaped gland that lies in close vicinity to the voice box. Hence, when people speak, vibrations are transmitted to the gland and can be picked up by an ultrasound probe on the skin. By detecting a change in the character of the sound waves, could malignant tumours of the thyroid gland be detected? A new research paper published in the journal Applied Physics Letters has studied this question. The initial results seem promising.
Raise your voice for a thyroid test

The shear wave elastography (SWE) method involves holding the ultrasound probe on the thyroid and then asking the person to make an 'eee' sound at 150 Hz. The person is guided using an instructional sound to match the required wavelength.

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