Thickening of the inner table of the frontal part of the skull a usually benign condition known as hyperostosis frontalis interna.

Hyperostosis frontalis interna is a common, benign thickening of the inner side of the frontal bone of the skull.

Three skeletons showed possible evidence of rickets, two had changes of osteoporosis, and three crania had features of hyperostosis frontalis interna, a metabolic condition affecting post-menopausal women.

Endostosis Crani Hyperostosis Calvariae Interna Morgagni-Stewart-Morel Syndrome None Hyperostosis Frontalis Interna is characterized by the thickening of the frontal bone of the skull.