COL1-related overlap disorder is a condition, which is not yet considered as part of the 2017 EDS classification. However, it should be investigated as an alternative diagnosis for any patient with hypermobile EDS. This could allow providing appropriate genetic counseling.
Keywords: COL1A1; Ehlers‐Danlos Syndrome; connective tissue; hypermobile EDS; joint laxity.
© 2021 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.