A New Automatic Cancer Colony Forming Units Counting Method

Nicolás Roldán-fajardo, Lizeth Rodriguez-Ramos, Andrea Hernandez, Karen Cepeda-Forero, Alejandro Ondo-Méndez, Sandra cancino-Suarez, Manuel Forero, Juan Manuel López-López

Research output: Contribution to journalArticlepeer-review

Abstract

Clonogenic assays are an essential tool to evaluate the survival of cancer cells that have been exposed to a certain dose of radiation. Its result can be used in the generation of strategies for the optimization of radiotherapy treatments. The analysis of this type of data requires that the specialist performs the manual counting of colony forming units (CFU), i.e., find every cell that retains the ability to produce a large progeny. This task is time consuming, prone to errors and the results are not reproducible due to specialist subjective assessment. Digital image processing tools can deal with the flaws described above. This article presents a new technique for automatic CFU counting. The proposed technique extracts the regions of interest (ROIs), where a local segmentation algorithm finds and labels the cells in order to quantify number of CFUs. Results show good sensitivity and specificity performance compared to state-of-the-art software used for CFU detection and counting.
Translated title of the contributionUn nuevo método automático de conteo de unidades formadoras de colonias de cáncer
Original languageEnglish
Pages (from-to)465-472
Number of pages7
JournalLecture Notes in Computer Science
Volume11868
DOIs
StatePublished - Sep 21 2019

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