Hydrolysis Profiles of Formalin Fixed Paraffin-Embedded Tumors Based on IOD (Integrated Optical Density) and Nuclear Texture Feature Measurements

The aim of the study was to determine optimal hydrolysis time for the Feulgen DNA staining of archival formalin fixed paraffin‐embedded surgical samples, prepared as single cell suspensions for image cytometric measurements. The nuclear texture features along with the IOD (integrated optical density...

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Main Authors: Margareta Fležar, Marija Us‐Krašovec, Mario žganec, Jaka Lavrenčak, Rastko Golouh
Format: Article
Language:English
Published: Wiley 1999-01-01
Series:Analytical Cellular Pathology
Online Access:http://dx.doi.org/10.1155/1999/921840
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author Margareta Fležar
Marija Us‐Krašovec
Mario žganec
Jaka Lavrenčak
Rastko Golouh
author_facet Margareta Fležar
Marija Us‐Krašovec
Mario žganec
Jaka Lavrenčak
Rastko Golouh
author_sort Margareta Fležar
collection DOAJ
description The aim of the study was to determine optimal hydrolysis time for the Feulgen DNA staining of archival formalin fixed paraffin‐embedded surgical samples, prepared as single cell suspensions for image cytometric measurements. The nuclear texture features along with the IOD (integrated optical density) of the tumor nuclei were analysed by an automated high resolution image cytometer as a function of duration of hydrolysis treatment (in 5 N HCl at room temperature). Tissue blocks of breast carcinoma, ovarian serous carcinoma, ovarian serous tumor of borderline malignancy and leiomyosarcoma were included in the study. IOD hydrolysis profiles showed plateau between 30 and 60 min in the breast carcinoma and leiomyosarcoma, and between 40 and 60 min in the ovarian serous carcinoma and ovarian serous tumor of borderline malignancy. Most of the nuclear texture features remained stable after 20 min of hydrolysis treatment. Our results indicate that the optimal hydrolysis time for IOD and for nuclear texture feature measurements, was between 40 and 60 min in the cell preparations from tissue blocks of three epithelial and one soft tissue tumor.
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id doaj-art-2ca9e3693abd4662863556214e886278
institution Kabale University
issn 0921-8912
1878-3651
language English
publishDate 1999-01-01
publisher Wiley
record_format Article
series Analytical Cellular Pathology
spelling doaj-art-2ca9e3693abd4662863556214e8862782025-02-03T01:32:48ZengWileyAnalytical Cellular Pathology0921-89121878-36511999-01-01193-411111810.1155/1999/921840Hydrolysis Profiles of Formalin Fixed Paraffin-Embedded Tumors Based on IOD (Integrated Optical Density) and Nuclear Texture Feature MeasurementsMargareta Fležar0Marija Us‐Krašovec1Mario žganec2Jaka Lavrenčak3Rastko Golouh4Institute of Oncology, 1000 Ljubljana, SloveniaInstitute of Oncology, 1000 Ljubljana, SloveniaFaculty of Electrical Engeneering, 1000 Ljubljana, SloveniaInstitute of Oncology, 1000 Ljubljana, SloveniaInstitute of Oncology, 1000 Ljubljana, SloveniaThe aim of the study was to determine optimal hydrolysis time for the Feulgen DNA staining of archival formalin fixed paraffin‐embedded surgical samples, prepared as single cell suspensions for image cytometric measurements. The nuclear texture features along with the IOD (integrated optical density) of the tumor nuclei were analysed by an automated high resolution image cytometer as a function of duration of hydrolysis treatment (in 5 N HCl at room temperature). Tissue blocks of breast carcinoma, ovarian serous carcinoma, ovarian serous tumor of borderline malignancy and leiomyosarcoma were included in the study. IOD hydrolysis profiles showed plateau between 30 and 60 min in the breast carcinoma and leiomyosarcoma, and between 40 and 60 min in the ovarian serous carcinoma and ovarian serous tumor of borderline malignancy. Most of the nuclear texture features remained stable after 20 min of hydrolysis treatment. Our results indicate that the optimal hydrolysis time for IOD and for nuclear texture feature measurements, was between 40 and 60 min in the cell preparations from tissue blocks of three epithelial and one soft tissue tumor.http://dx.doi.org/10.1155/1999/921840
spellingShingle Margareta Fležar
Marija Us‐Krašovec
Mario žganec
Jaka Lavrenčak
Rastko Golouh
Hydrolysis Profiles of Formalin Fixed Paraffin-Embedded Tumors Based on IOD (Integrated Optical Density) and Nuclear Texture Feature Measurements
Analytical Cellular Pathology
title Hydrolysis Profiles of Formalin Fixed Paraffin-Embedded Tumors Based on IOD (Integrated Optical Density) and Nuclear Texture Feature Measurements
title_full Hydrolysis Profiles of Formalin Fixed Paraffin-Embedded Tumors Based on IOD (Integrated Optical Density) and Nuclear Texture Feature Measurements
title_fullStr Hydrolysis Profiles of Formalin Fixed Paraffin-Embedded Tumors Based on IOD (Integrated Optical Density) and Nuclear Texture Feature Measurements
title_full_unstemmed Hydrolysis Profiles of Formalin Fixed Paraffin-Embedded Tumors Based on IOD (Integrated Optical Density) and Nuclear Texture Feature Measurements
title_short Hydrolysis Profiles of Formalin Fixed Paraffin-Embedded Tumors Based on IOD (Integrated Optical Density) and Nuclear Texture Feature Measurements
title_sort hydrolysis profiles of formalin fixed paraffin embedded tumors based on iod integrated optical density and nuclear texture feature measurements
url http://dx.doi.org/10.1155/1999/921840
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