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Am J Reprod Immunol. 2011 Nov;66(5):410-5. doi: 10.1111/j.1600-0897.2011.01051.x. Epub 2011 Jul 12.

Immunohistochemistrical and clinicopathological characterization of chronic endometritis.

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1
Department of Obstetrics and Gynecology, Kyoto Prefectural University of Medicine, Kajii-cho, Kamigyo-ku, Japan. kitaya@koto.kpu-m.ac.jp

Abstract

PROBLEM:

Chronic endometritis is an elusive entity that is often asymptomatic and undetectable by conventional endometrial biopsy and histological examination. Using immunohistochemistry for full-thickness endometrium, we sought for its clinicopathological features.

METHOD OF STUDY:

Two hundred and thirty-four archival endometrial specimens obtained by hysterectomy were immunostained for the plasmacyte marker syndecan-1 to identify chronic endometritis. Endometrial morphology was dated by the standard criteria. The immunoreactive cells were enumerated in 10 non-overlapping endometrial stromal areas. The clinical parameters were obtained from the medical charts.

RESULTS:

Chronic endometritis was identified in 11.1% of the samples examined. Its occurrence was similar between the proliferative phase and secretory phase. A total of 23.1% of the cases were asymptomatic. Stromal plasmacyte infiltration and morphological delay were more prominent in symptomatic chronic endometritis than in asymptomatic counterpart.

CONCLUSIONS:

Chronic endometritis is a common gynecological pathological condition and more often asymptomatic than ever expected. There was no menstrual cycle-dependent fluctuation in its occurrence.

[Indexed for MEDLINE]

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