Pediatrics
Yes. Simple fluid, like bile in the gallbladder, or fluid in a cyst does not have anything to reflect ultrasound waves back to the detector, so it appears black, with brighter reflection in the tissues beyond it, further from the transducer.
Hypoechoic things are black?
Yes. Simple fluid, like bile in the gallbladder, or fluid in a cyst does not have anything to reflect ultrasound waves back to the detector, so it appears black, with brighter reflection in the tissues beyond it, further from the transducer.
Hypoechoic things are black?