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Frontal bossing

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Frontal bossing

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Frontal bossing

Definition:

Frontal bossing is an unusually prominent forehead, sometimes associated with a heavier than normal brow ridge.

Considerations:

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Frontal bossing is seen only in a few rare syndromes. It is probably best recognized by the public in the disease acromegaly because people with acromegaly who become extremely tall and large (giants) are seen frequently in movies.

Common Causes:

• congenital syphilis
• acromegaly
• Russell-Silver syndrome (Russell-Silver dwarf)
• Pfeiffer syndrome
• basal cell nevus syndrome
• Crouzon syndrome
• Hurler syndrome
• Rubinstein-Taybi syndrome
• fetal trimethadione syndrome
• cleidocranial dysostosis

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