The process of using ultrasound to determine the presence of a centrally located mass in the brain is called:

A) computed tomography.
B) echoencephalography.
C) electroencephalography.
D) myelogram.

Echoencephalography

A diagnostic ultrasound procedure used to image the brain and assess brain abnormalities.

Ultrasound

A diagnostic imaging technique that uses high-frequency sound waves to create images of the inside of the body, commonly used for examining fetuses during prenatal care, organs, and tissues.

Centrally Located Mass

A mass located in the center of a body or organ, which can be benign or malignant, necessitating medical evaluation.