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  • Title: Immunohistochemical characterization of stromal leukocytes in ovarian endometriosis: comparison of eutopic and ectopic endometrium with normal endometrium.
    Author: Jones RK, Bulmer JN, Searle RF.
    Journal: Fertil Steril; 1996 Jul; 66(1):81-9. PubMed ID: 8752615.
    Abstract:
    OBJECTIVE: To compare stromal leukocyte subpopulations in different phases of the menstrual cycle in eutopic and ectopic endometrium from women with ovarian endometriosis and in control endometrium. DESIGN: Retrospective immunohistochemical study. SETTING: Department of Pathology, Royal Victoria Infirmary, Newcastle-upon-Tyne, United Kingdom. PATIENTS: Paraffin-embedded tissue blocks from 30 patients with endometriosis and 30 control blocks from patients undergoing hysterectomy for nonendometrial pathology were retrieved from archive files. MAIN OUTCOME MEASURE: Quantitative assessment of defined stromal leukocyte subpopulations in eutopic, ectopic and control endometrium at different stages of the menstrual cycle. RESULTS: In the proliferative and early secretory phases, ectopic endometrium contained elevated numbers of CD45+, CD3+, and CD43+ cells but reduced percentages of CD68+ macrophages. The proportions of granulated cells were reduced in ectopic endometrium throughout the cycle. No differences were noted between eutopic endometrium from women with endometriosis and control endometrium. CONCLUSION: Differences between eutopic and ectopic leukocyte subpopulations with the exception of large granular lymphocytes may be due to the lack of cyclicity demonstrated by endometriotic lesions.
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