PMID: 7515670Mar 1, 1994Paper

Measuring of AgNORs using image analysis

Zentralblatt für Pathologie
P HufnaglH J Schulz

Abstract

A method is presented for the measurement of AgNORs in histological section using an image analysis system. Measurements are performed at the highest magnification (objective 100x) using a CCD camera. In the first step the AgNORs are segmented, counted and measured. In the second step the AgNOR clusters are segmented. Several features for the description of the AgNORs, the AgNOR clusters and their spatial distribution throughout the nucleus are given. As an internal reference, lymphocytes are used and the size features are given relative to the mean size of AgNORs in the lymphocytes. The reproducibility of the features was tested on a series of astrocytomas. This should be carried out with at least 150 tumor cells and 20 reference cells in order for accurate measurements.

Related Concepts

Related Feeds

Astrocytes

Astrocytes are glial cells that support the blood-brain barrier, facilitate neurotransmission, provide nutrients to neurons, and help repair damaged nervous tissues. Here is the latest research.