April 26th, 2018

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Clinical Significance of Inadequate Endometrial Biopsies Prior to Hysterectomy
Authors:  E. H. Turney, M.D., H. Farghaly, M.D., A. M. Eskew, B.S., L. P. Parker, M.D., and M. R. Milam, M.D., M.P.H.
  OBJECTIVE: To evaluate preoperative clinical risk factors associated with significant uterine histopathologic abnormalities in final hysterectomy specimens in patients with inadequate preoperative endometrial biopsies.

STUDY DESIGN: This is an institutional review board–approved, retrospective cohort analysis of 469 consecutive patients who underwent preoperative endometrial biopsies with subsequent hysterectomy from January 1, 2005, to December 31, 2009, at the University of Louisville Medical Center. We analyzed risk factors for inadequate biopsy and for final diagnosis of endometrial pathology (defined as endometrial hyperplasia or uterine cancer).

RESULTS: Of the 469 preoperative endometrial biopsies reviewed, 26.2% (123/469) were inadequate (IBx) and 73.8% (346/469) were adequate and benign. IBx on endometrial biopsies was associated with a greater risk of having significant uterine histopathologic abnormalities on final hysterectomy specimens (6.5% vs. 2.3%, RR 2.8 [95% CI 1.1–7.3], p=0.04).

CONCLUSION: Although inadequate endometrial biopsies are a common finding, they can be associated with significant uterine histopathologic abnormalities on final hysterectomy specimens.
Keywords:  biopsy, cytopathology, endometrial cancer, histopathology, hysterectomy, inadequate endometrial biopsy
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