Acknowledgements
We thank Dr Fiona Scott, Consultant Histo/Cytopathologist. Department of Histopathology, The Hillingdon Hospital NHS Trust, Pield Heath Road, Uxbridge, Hillingdon,UB8 3NN for histopathology advice and images.
Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.
This work was in part funded by the Watford Gynaecological Research Fund (WRGF).