The authors have no competing interests to declare. The study was not supported by an external grant.

What are the novel findings of this work?Accessory cavitated uterine malformations (ACUMs) are a relatively rare abnormality of the uterus and there is little information about the criteria that should be used for their diagnosis, either on imaging or during surgery. In this largest series of women with an ACUM published so far, we provide a summary of ultrasound features that could be used to diagnose this condition with more confidence in the future. What are the clinical implications of this work?The findings of this study describing the clinical and ultrasound features of ACUMs should further clinician knowledge of this under-recognized condition. We also describe a non-excisional interventional procedure that has not been reported widely in the literature as being used for this condition. Thus, our findings should allow for more women to receive a diagnosis and for those diagnosed with an ACUM to have a greater number of treatment options.

What are the novel findings of this work?In this modified Delphi study, 13 experts on ultrasound diagnosis of adenomyosis reached consensus on revised definitions of the Morphological Uterus Sonographic Assessment (MUSA) features of adenomyosis and classified these into direct and indirect sonographic signs of adenomyosis. What are the clinical implications of this work?The revised definitions of MUSA features of adenomyosis and the distinction between direct and indirect signs should facilitate recognition and diagnosis of adenomyosis in clinical practice. The updated definitions are important for future studies on the relationship between the MUSA features of adenomyosis and clinical symptoms and reproductive outcome.

Objectives

The authors have no competing interests. The study was not supported by an external grant.