frontal bossing


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Rounded prominence of the frontal and parietal bones in an infant’s cranial vault, due to various causes
Aetiology Untreated vitamin D-induced rickets, which causes a thickened outer table with permanent enlargement of the head, congenital anemia—e.g., thalassaemia with massive hematopoiesis in an expanded marrow space, aka ‘hot cross bun skull’—and others—e.g., conditions associated with ‘gargoyle’ facies, acromesomelic dysplasia of Maroteaux, anhydrotic ectodermal dysplasia, craniometaphyseal dysplasia of Pyle, frontodigital syndrome, Kenney’s tubular stenosis syndrome, basal cell nevus syndrome, Taybi syndrome, thanatophoric dwarfism, and AIDS embryopathy

frontal bossing

Bossing, see there.
References in periodicals archive ?
The primary findings include hypertelorism, macrocephaly with frontal bossing, and polysyndactyly.
Skeletal survey revealed a mildly hyperostotic skull, with mild frontal bossing.
No further frontal bossing has developed during the 3-year follow-up period.
Patients with NBCCS often have frontal bossing and a broad nasal bridge.
He also exhibited mandibular enlargement, mild frontal bossing, and hypertelorism.