The Incidence and Management of Failed Pipelle Sampling in a General Outpatient Clinic

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Abstract
Summary: A prospective audit was performed on 100 consecutive patients who underwent Pipelle endometrial sampling in a general outpatient clinic setting. The indications for sampling were abnormal menstrual bleeding (AMB, 65), intermenstrual or postcoital bleeding (IMB/PCB, 7), postmenopausal bleeding (PMB, 28). An insufficient sample was obtained in 33 women: (AMB 14, 21.5%); IMB/PCB, (0); PMB 19, 68%). In 3 women the Pipelle was unable to be introduced through the cervix; in the remainder an insufficient sample for histological diagnosis was obtained. Registrars and resident doctors were more likely to sample insufficiently. In the AMB group all but 1 woman with an insufficient sample had further investigations or treatment but 7 of 19 (37%) of PMB patients had no further investigations. Where definitive histology was available, endometrial polyps or submucous fibroids were found in half of the cases with an inadequate Pipelle sample. Pipelle sampling detected only 1 of the 2 cases of endometrial cancer in this study.