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A comparison of malignant histopathological diagnoses on uterine curettings and hysterectomy specimens


A Ismail
R Wadee

Abstract

Background. Endometrial carcinoma (EC) is a common gynaecological malignancy in postmenopausal females. Diagnosis is made on endometrial biopsy, where histological subtype and tumour grade are used to predict disease progression and to plan surgical management.


Objectives. To determine the accuracy of preoperative biopsies compared with the final diagnosis on hysterectomy specimens.


Methods. This was a retrospective, cross-sectional study in which 126 biopsies and corresponding hysterectomy specimens, collected over a 3-year period, were reviewed. Patient demographics and histological features were recorded and statistically analysed.


Results. The most prevalent tumours were endometrioid endometrial carcinoma (EEC) (48.5%), serous carcinomas (25.4%) and carcinosarcomas (16.7%). The majority (66.7%) of tumours were high-grade tumours on biopsy and hysterectomy specimens (58.7%). EECs had a poor sensitivity level (65.1%) compared with other subtypes but had a high specificity rate (90%). There was moderate agreement between biopsy and excision specimen diagnoses. High-grade tumours had a high sensitivity level (94.3%).


Conclusions. Our study showed moderate agreement between histopathological diagnoses on biopsy and excision specimens. There was a high sensitivity level for biopsies of high-grade tumours, concordant with other studies. Accurate preoperative tumour subtyping and grading are needed to guide surgical management. It is envisaged that use of a combined histological and molecular tumour classification will better guide patient treatment and allow for reproducible results.

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Journal Identifiers


eISSN: 2305-8862
print ISSN: 0038-2329