More information: Shannon E. Martello et al, Ultrafast power doppler ultrasound enables longitudinal tracking of vascular changes that correlate with immune response after radiotherapy ...

The transcranial doppler tool uses ultrasound to look at blood flow in the brain's major arteries — and unlike other procedures, it's minimally invasive and doesn't expose patients to radiation.

Transrectal ultrasound (TRUS) examination of the prostate is the established technique used to obtain systematic core biopsies of prostatic tissue for histological examination. This is usually to ...