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Inter-observer and intra-observer variability in immunohistochemical detection of endometrial stromal plasmacytes in chronic endometritis

Chronic endometritis (CE) is an unusual endometrial inflammation characterized by stromal plasmacyte infiltration. CE is easily missed due to its subtle symptoms and demanding histopathological examinations. Although the immunohistochemistry for the plasmacyte marker CD138 has facilitated the detect...

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Autores principales: KITAYA, KOTARO, YASUO, TADAHIRO
Formato: Online Artículo Texto
Lenguaje:English
Publicado: D.A. Spandidos 2013
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3570187/
https://www.ncbi.nlm.nih.gov/pubmed/23407614
http://dx.doi.org/10.3892/etm.2012.824
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author KITAYA, KOTARO
YASUO, TADAHIRO
author_facet KITAYA, KOTARO
YASUO, TADAHIRO
author_sort KITAYA, KOTARO
collection PubMed
description Chronic endometritis (CE) is an unusual endometrial inflammation characterized by stromal plasmacyte infiltration. CE is easily missed due to its subtle symptoms and demanding histopathological examinations. Although the immunohistochemistry for the plasmacyte marker CD138 has facilitated the detection of endometrial stromal plasmacytes, the accuracy and biases of this method for CE diagnosis remain poorly understood. The aim of this study was to investigate the inter- and intra-observer variability in the immunohistochemical detection of stromal plasmacytes in the human endometrium. A total of 80 CE and 20 non-pathological archival hematoxylin-stained endometrial preparations with or without immunostaining for CD138 were evaluated independently by two experienced observers and two inexperienced observers. Endometrial stromal plasmacytes in unit areas were counted in the hematoxylin-stained and CD138-immunostained preparations. Each preparation was subdivided into 11 categories by every five plasmacyte counts. The second evaluation was performed four weeks after the first evaluation. The immunohistochemical detection method was superior to conventional histopathological evaluation in both the inter- and intra-observer agreement, irrespective of the experience level of the observers. The linear weighted κ coefficient for intra-observer agreement was higher in the experienced observers than in the inexperienced observers. The inter-observer agreement among the four observers by the immunohistochemical detection method was similarly good between the first and second evaluation. There was no significant inter- or intra-observer variability in the paired comparison of the individual samples. These findings validate the use of immunohistochemistry for CD138 as an accurate and less biased diagnostic tool for CE.
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spelling pubmed-35701872013-02-13 Inter-observer and intra-observer variability in immunohistochemical detection of endometrial stromal plasmacytes in chronic endometritis KITAYA, KOTARO YASUO, TADAHIRO Exp Ther Med Articles Chronic endometritis (CE) is an unusual endometrial inflammation characterized by stromal plasmacyte infiltration. CE is easily missed due to its subtle symptoms and demanding histopathological examinations. Although the immunohistochemistry for the plasmacyte marker CD138 has facilitated the detection of endometrial stromal plasmacytes, the accuracy and biases of this method for CE diagnosis remain poorly understood. The aim of this study was to investigate the inter- and intra-observer variability in the immunohistochemical detection of stromal plasmacytes in the human endometrium. A total of 80 CE and 20 non-pathological archival hematoxylin-stained endometrial preparations with or without immunostaining for CD138 were evaluated independently by two experienced observers and two inexperienced observers. Endometrial stromal plasmacytes in unit areas were counted in the hematoxylin-stained and CD138-immunostained preparations. Each preparation was subdivided into 11 categories by every five plasmacyte counts. The second evaluation was performed four weeks after the first evaluation. The immunohistochemical detection method was superior to conventional histopathological evaluation in both the inter- and intra-observer agreement, irrespective of the experience level of the observers. The linear weighted κ coefficient for intra-observer agreement was higher in the experienced observers than in the inexperienced observers. The inter-observer agreement among the four observers by the immunohistochemical detection method was similarly good between the first and second evaluation. There was no significant inter- or intra-observer variability in the paired comparison of the individual samples. These findings validate the use of immunohistochemistry for CD138 as an accurate and less biased diagnostic tool for CE. D.A. Spandidos 2013-02 2012-11-22 /pmc/articles/PMC3570187/ /pubmed/23407614 http://dx.doi.org/10.3892/etm.2012.824 Text en Copyright © 2013, Spandidos Publications http://creativecommons.org/licenses/by/3.0 This is an open-access article licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. The article may be redistributed, reproduced, and reused for non-commercial purposes, provided the original source is properly cited.
spellingShingle Articles
KITAYA, KOTARO
YASUO, TADAHIRO
Inter-observer and intra-observer variability in immunohistochemical detection of endometrial stromal plasmacytes in chronic endometritis
title Inter-observer and intra-observer variability in immunohistochemical detection of endometrial stromal plasmacytes in chronic endometritis
title_full Inter-observer and intra-observer variability in immunohistochemical detection of endometrial stromal plasmacytes in chronic endometritis
title_fullStr Inter-observer and intra-observer variability in immunohistochemical detection of endometrial stromal plasmacytes in chronic endometritis
title_full_unstemmed Inter-observer and intra-observer variability in immunohistochemical detection of endometrial stromal plasmacytes in chronic endometritis
title_short Inter-observer and intra-observer variability in immunohistochemical detection of endometrial stromal plasmacytes in chronic endometritis
title_sort inter-observer and intra-observer variability in immunohistochemical detection of endometrial stromal plasmacytes in chronic endometritis
topic Articles
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3570187/
https://www.ncbi.nlm.nih.gov/pubmed/23407614
http://dx.doi.org/10.3892/etm.2012.824
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