Title
Prostate malignancy grading using gland-related shape descriptors
Abstract
A proof-of-principle study was accomplished assessing the descriptive potential of two simple geometric measures (shape descriptors) applied to sets of segmented glands within images of 125 prostate cancer tissue sections. Respective measures addressing glandular shapes were (i) inverse solidity and (ii) inverse compactness. Using a classifier based on logistic regression, Gleason grades 3 and 4/5 could be differentiated with an accuracy of approx. 95%. Results suggest not only good discriminatory properties, but also robustness against gland segmentation variations. False classifications in part were caused by inadvertent Gleason grade assignments, as a-posteriori re-inspections had turned out.
Year
DOI
Venue
2014
10.1117/12.2043225
Proceedings of SPIE
Keywords
Field
DocType
prostate cancer grading,Gleason grading,interrater disagreement,intrarater disagreement,prostate gland shape analysis,inverse solidity,inverse compactness,logistic regression model
Computer vision,Grading (education),Pattern recognition,Segmentation,Malignancy,Prostate,Artificial intelligence,Prostate cancer,Classifier (linguistics),Logistic regression,Shape analysis (digital geometry),Physics
Conference
Volume
ISSN
Citations 
9041
0277-786X
0
PageRank 
References 
Authors
0.34
6
5
Name
Order
Citations
PageRank
Ulf-dietrich Braumann16614.28
Patrick Scheibe212.72
Markus Loeffler37211.11
Glen Kristiansen4312.13
Nicolas Wernert500.68