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6 - Diagnosis and management of adnexal masses

Published online by Cambridge University Press:  05 February 2014

Lil Valentin
Affiliation:
Lund University
Davor Jurkovic
Affiliation:
University College Hospital, London
Lil Valentin
Affiliation:
Malmö University Hospital
Sanjay Vyas
Affiliation:
Southmead Hospital, Bristol
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Summary

Introduction

Transvaginal ultrasound examination is an excellent tool for solving clinical problems in women with symptoms suggesting the presence of an adnexal mass. A gynaecologist experienced in ultrasound diagnosis using good-quality equipment is usually able to establish with confidence the nature of a pelvic tumour from its ultrasound image. This helps to individualise and optimise the management of a woman with a palpable pelvic mass.

Ultrasound morphology for discrimination between benign and malignant adnexal masses

Subjective evaluation of the greyscale ultrasound image (that is, pattern recognition) for discrimination between benign and malignant tumours can be learned by performing gynaecological ultrasound examinations on a regular basis. However, the diagnostic accuracy of subjective assessment of tumour morphology increases with increasing experience. An experienced ultrasound examiner can confidently discriminate between benign and malignant pelvic tumours in the adnexal region using pattern recognition. The reported sensitivity of pattern recognition varies between 88% and 100% and the reported specificity between 62% and 96%. Pattern recognition has been shown to be superior to all other ultrasound methods (such as simple classification systems, scoring systems or mathematical models for calculating the risk of malignancy) for discrimination between benign and malignant extrauterine pelvic masses. Adding Doppler ultrasound examination to subjective evaluation of the greyscale ultrasound image does not seem to yield much improvement in diagnostic precision, but it may increase the confidence with which a correct diagnosis of benignity or malignancy is made.

Type
Chapter
Information
Gynaecological Ultrasound in Clinical Practice
Ultrasound Imaging in the Management of Gynaecological Conditions
, pp. 55 - 66
Publisher: Cambridge University Press
Print publication year: 2009

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