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Archive-the Korean Journal of Pathology(1967~2008)
Archive-the Korean Journal of Cytopathology(1990~2008)
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  Vol.32, No.3:208-214, March 1998
Histopathologic Findings & Expression of bcl-2 of the Endometrium Analysis of 1,000 consecutive biopsies of uterine bleeding

Lee Hye-Kyung, Lee Dong-Geun, Lee Ho, Shim Sang-In

Department of Clinical Pathology, Taejon St. Mary's hospital, Taejon 301-012, Korea 1Department of Pathology, Chonbuk National University College of Medicine, 2Department of Clinical Pathology, Catholic Medical College

We evaluated 1,000 consecutive endometrial curettage samples obtained over a 30 month period. The clinico-pathologic correlation was analysed according to Hendrickson's five criteria based on the practical view. The causes of uterine bleeding in decreasing order of occurrence were as follows: 1) hormonal imbalance lesions (49.2%) encompassing glandular and stromal breakdown suggesting anovulatory bleeding, proliferative phase endometrium, and disordered proliferative endometrium, 2) pregnancy associated lesions (24.2%), 3) organic lesions (13.5%), 4) endometrial hyper plasia (6.9%), and 5) inadequate specimen (6.2%). According to age, pregnancy related lesions were most frequent in the third decade. In the fourth, fifth, and sixth decades, hormonal imbalance lesions were the most common cause. In approximately 30% of the samples, there were two or three morphologic patterns such as anovulatory bleeding with an endometrial polyp, postabortal bleeding with inflammation, and glandular-stromal dissociation with a polyp, which suggested there was a variable histologic morphology in the same disease spectrum. Using immunohistochemical techniques we studied the hormonal dependency of bcl-2 oncoprotein in anovulatory bleeding, endometrial hyperplasia, and proliferative endometrium. 70% of anovulatory bleeding specimens showed weak positivity in the epithelial cytoplasm, and all cases of endometrial hyperplasia and carcinoma showed a strong positivity. These results suggest that there is a estrogenic hormonal dependency of apoptosis in the endometrium.
Key Words : Uterine bleeding, bcl-2 protein, Hyperestrogenism, Endometrial biopsy SU:

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