A 6-week-old infant is brought to the pediatrician's office for a well-baby checkup. The nurse ...

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Abnormal flattening of the skull in infants may result from placing the baby in the same position for several hours every day. A large head in an adolescent or adult may be associated with acromegaly, a disorder associated with excess growth hormone. In infants and children, a head that is growing disproportionately faster than the body may be a sign of hydrocephalus, which is fluid collection in the cavity within the brain. Irregular jaw movement and cracking of the jaw in adults may indicate temporomandibular joint (TMJ) syndrome.