Postaxial acrofacial dysostosis (POADS) is a type of acrofacial dysostosis (see this term) characterised by mandibular and malar hypoplasia, small and cup-shaped ears, lower lid ectropion, and symmetrical postaxial limb deficiencies with absence of the fifth digital ray and ulnar hypoplasia.

A form of polydactyly in which the extra digit or digits are localized on the side of the fifth finger or fifth toe.