0 able to send back an echo (= a sound that reflects off a surface), and therefore showing as a light area in an ultrasound scan (= a medical examination that produces an image using sound waves): --
A sonogram through the liver shows multiple fairly well-defined echogenic liver metastases.
What are the clinical implications of sonographic detection of echogenic amniotic fluid?
The echogenic appearance of the lesions was extremely variable.
Lesions were classified as either type I (multiple large cysts); type II (variable numbers of small cysts); or type III (homogeneous echogenic mass).
The presence or absence of an echogenic centre for each lymph node detected was recorded.