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Clinical findings in parents of two families with Pfeiffer syndrome (PS). (IA and IIA) Anterior view of craniofacial features of PS parents; (IB and IIB) Showing lateral view of craniofacial features. (C) Feet. Mother of the Family 3 was submitted to surgical correction to great toes (IC). Note broad medially deviated/great toes in the father of family 5 (IIC). (D) Hands. Observe the broad thumb in ID; Note clinodactyly in father of the family 5 (IID).
