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ORIGINAL ARTICLE
Year : 2019  |  Volume : 10  |  Issue : 2  |  Page : 75-80

Study of the efficacy of pipelle biopsy technique to diagnose endometrial diseases in abnormal uterine bleeding


1 Department of Obstetrics and Gynaecology, Ramaiah Medical College and Hospitals, Bengaluru, Karnataka, India
2 Department of Pathology, Ramaiah Medical College and Hospitals, Bengaluru, Karnataka, India

Correspondence Address:
Dr. G S Jyothi
Professor, Department of Obstetrics and Gynaecology, Ramaiah Medical College and Hospitals, Bengaluru - 560 054, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jmh.JMH_109_18

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Background: Pipelle biopsy is ideal for obtaining endometrial sample in outpatient department. It samples only 4% of the endometrial surface and has sensitivity up to 97%. A positive biopsy can avoid inconvenience to a patient, but a nonspecific finding should be interpreted with caution. Thus, the objectives of this study were to analyze the efficacy of pipelle biopsy by adequacy of the sample obtained and also to establish the reliability by comparing the histopathology report obtained by pipelle biopsy with that of the hysterectomy specimen. Materials and Methods: A prospective study conducted at a tertiary care hospital on 104 women with abnormal uterine bleeding (AUB). They were scheduled for pipelle endometrial sampling before hysterectomy. The sensitivity, specificity, negative and positive predictive values, and accuracy of pipelle biopsy in diagnosing various endometrial pathologies were analyzed. The validity of pipelle biopsy was studied for endometrial hyperplasia and carcinoma and their statistical significance was tested. Results: The overall concordance rate was 63.8%. The sensitivity, specificity, positive and negative predictive values, and accuracy of pipelle biopsy for endometrial hyperplasia was 64.2%, 88.8%, 94.1%, 85.5%, and 47.3% and for endometrial carcinoma was 75%, 100%, 100%, 97.9%, and 98%, respectively. The P value for endometrial hyperplasia and carcinoma was 0.001 (statistically significant). Conclusion: Pipelle biopsy is valuable in diagnosing endometrial pathology of AUB cases. It has very high sensitivity and specificity for endometrial malignancies. A hysteroscopic dilatation and curettage is required for definitive diagnosis in cases of polyps and focal endometrial lesions.


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