Partial distal 10q trisomy due to de novo amplification: A new case without furrows or ridges in fingers and palms.

Background: Here we describe a new case of partial distal 10q trisomy in a 6-year-old Iranian girl from healthy parents with mental, growth, and psychomotor retardations.

Methods: Additional clinical features include dysmorphic craniofacial features, microcephaly, bilateral hydronephrosis without heart problems, small and rotated low-set ears, bow-shaped mouth, abnormal teeth, short neck, and as a first case reported, fingers with camptodactly (i.e.