Medical News
October 19, 1964

Midline Echoencephalography Used With Psychiatric Patients

JAMA. 1964;190(3):40. doi:10.1001/jama.1964.03070160098049

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Midline echoencephalography offers a valuable, safe, and rapid screening procedure to diagnose unsuspected brain lesions in psychiatric patients, a North Carolina physician reported at the seventh Symposium Neuroradiologicum.

W. M. McKinney, MD, Bowman Gray School of Medicine, Winston-Salem, NC, described a cooperative study by the Veterans Administration Hospital, Salisbury, NC, and Bowman Gray Hospital.

McKinney noted that a screening procedure for psychiatric patients is needed. Recently, authorities reported on literature which revealed that up to 1.7% autopsied psychiatric patients had previously undetected brain tumors, and up to 7.9% had subdural hematomas, he said.

In the study at the VA Hospital, 500 ambulatory psychiatric inpatients were screened with ultrasonic instrucments.

For standardization in repeated examinations of the patients studied and correlation of results, a coordinate system was used for the placement of a 2.25 megacycle transducer. Midway from nasion (middle point of frontonasal structure) to inion (external occipital protuberance), a measurement

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