Last revised by Arlene Campos on 23 Feb 2024

Acrocephalosyndactyly syndromes (ACS) are a rare group of disorders collectively characterized by:


While there can be some overlap in features, they can be primarily classified into the following major subtypes:

When there are calvarial anomalies with polydactyly and syndactyly, these then fall into a group named acrocephalopolysyndactyly syndromes (ACPS). However, many suggest that the distinction between ACS and ACPS should be abandoned ref.

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