Neonate born to hepatitis B carrier mother presenting with congenital onychodysplasia of the index finger (Iso-Kikuchi syndrome).

Congenital onychodysplasia of the index fingers, also known as Iso–Kikuchi syndrome, is characterized using five diagnostic criteria: congenital occurrence, unilateral or bilateral involvement of the index fingers, variation in nail appearance, possible hereditary involvement and frequently associated bone abnormalities1–5. Herein, we present the case of a newborn with congenital onychodysplasia of the left index finger.