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Lim, C.H., Rotimi, O., Dexter, S.P.L., et al. (2006) Randomized crossover study that used methylene blue or random 4-quadrant biopsy for the diagnosis of dysplasia in Barrett’s esophagus. Gastrointestinal Endoscopy, 64, 159. doi:10.1016/j.gie.2005.07.025

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• TITLE: Chromohysteroscopy—A new technique for endometrial biopsy in Abnormal Uterine Bleeding (AUB)

  AUTHORS: Nisha Singh, Bharti Singh

  KEYWORDS: Endometrial Biopsy; Endometrial Aspiration; Hysteroscopy; Menstrual Abnormality; Methylene Blue Dye

  JOURNAL NAME: Open Journal of Obstetrics and Gynecology, Vol.3 No.5A, July 8, 2013

  ABSTRACT: Objective: To evaluate the role of chromohysteroscopy in improving diagnostic accuracy of endometrial biopsy in cases of AUB. Design: Cross sectional interventional study. Materials and Methods: This study was conducted on 60 women with AUB in Dept. of Obst. & Gyne at King George Medical University, Lucknow over a period of one year. All cases underwent diagnostic hysteroscopy followed by chromohysteroscopy using 2% methylene blue dye. Hysteroscopic guided biopsy was taken from stained and unstained areas followed by an endometrial aspiration biopsy from whole uterine cavity. The histopathology results of three samples were compared and analyzed in relation with staining pattern and type of AUB. Data analysis was done on SPSS version 15 of windows 2007. Results: Out of 60 cases, 11cases were found to have non hormonal pathology after chromohysterosopic biopsy. Eight (72.72%) cases were diagnosed by stained endometrial tissue, one (9.09%) by unstained tissue and three (27.27%) by endometrial aspiration. The diagnostic ability of stained tissue biopsy was significantly higher (p = 0.006) than unstained biopsy and endometrial aspiration. Conclusion: Chromohysteroscopy is a simple and effective technique for diagnosing endometrial pathology in cases of AUB.