Excessive accumulation of cerebrospinal fluid increasing intracranial pressure and enlargement of the head.
Hydrocephalus
Localized bone disease of unknown origin that softens, thickens, and deforms bone
Piaget’s Disease (osteitis deformans)
Excessive secretion of growth hormone from pituitary causes enlargement of skull and thickened cranial bones.
Acromegaly
Shortening or excessive contraction of sternocleidomastoid muscle
Tortícolis (wryneck)