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Psychiatry Res. 1995 May 31;61(1):53-60.

A comparison of stereology and segmentation techniques for volumetric measurements of lateral ventricles in magnetic resonance imaging.

Author information

1
Department of Psychiatry, University of Pittsburgh Medical Center, Western Psychiatric Institute and Clinic, PA 15213-2593, USA.

Abstract

Lateral ventricular volumes were measured on magnetic resonance imaging (MRI) scans by independent raters in 18 subjects (11 psychotic patients and 7 healthy control subjects) with two different approaches: a point-counting stereological (PCS) technique and a computerized technique based on segmentation algorithms. The correlation between the two techniques was very high (r = 0.96), and phantom studies showed good validity for both approaches. These findings and the technical simplicity of the PCS technique support its potential use for MRI morphometric measurements.

PMID:
7568569
DOI:
10.1016/0925-4927(95)02446-5
[Indexed for MEDLINE]

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