Role of chromohysteroscopy in detection of endometrial pathology in abnormal uterine bleeding
DOI:
https://doi.org/10.18203/2320-1770.ijrcog20190857Keywords:
Abnormal uterine bleeding (AUB), Chromohysteroscopy, Endometrial aspiration biopsy, HysteroscopyAbstract
Background: Abnormal uterine bleeding is one of the most common clinical problems encountered in gynaecological practice. Chromohysteroscopy is thought to improve the diagnostic accuracy of hysteroscopy and reach the final diagnosis in AUB and is the subject matter of this study.
Methods: A prospective cross-sectional study was performed on 35 women with AUB, who presented to the Dept. of Obstetrics and Gynecology, JNMCH, Aligarh, over a period of 2 years (2014-2016). After transvaginal sonography, all cases underwent hysteroscopy followed by chromohysteroscopy using 5% methylene blue dye. Differentially stained pattern of the uterine cavity was observed and hysteroscopic guided biopsy was taken from stained and unstained areas, followed by endometrial aspiration biopsy. All three samples were sent for histopathological examination. Results were analyzed and compared.
Results: Out of 35 cases studied, 13 cases showed diffuse light staining, while 22 cases had focal dark staining. Histopathology results from diffuse light stained group showed 9 (69.2%) had normal endometrium. Out of 22 cases with focal dark staining, 20 (90.0%) cases had abnormal histopathology. It was found that focal dark staining to detect endometrial pathology had a sensitivity of 83.3%, specificity of 81.8%, positive predictive value of 90.9 %, negative predictive value of 69.2% and accuracy 82.8%. The difference in the diagnostic ability of stained tissue biopsy was highly significant (p< 0.001) when compared to blind endometrial aspiration biopsy.
Conclusions: Chromohysteroscopy is an efficacious simple tool for detecting endometrial pathology in cases of AUB.
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