Any condition that affects bone growth, most notably rickets (from vitamin D deficiency), marasmus, syphilis, or thalassemia, can cause<unk>  if present during a time of rapid skull growth (most especially during gestation and infancy). It can be a "normal" feature in premature infants. It is the first sign in children and infants with rickets.
Craniotabes
Biorisk
Midaflur
Ulotaront
Draco
Curette
Foltx
Cloforex