Hyperostosis frontalis interna

Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
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Hyperostosis frontalis interna
Synonyms
Pronounce	N/A
Specialty	N/A
Symptoms	Thickening of the frontal bone
Complications	Headache, seizures, cognitive impairment
Onset	Middle age
Duration	Chronic
Types	N/A
Causes	Unknown, possibly hormonal
Risks	Female gender, postmenopausal
Diagnosis	X-ray, CT scan
Differential diagnosis	Paget's disease of bone, meningioma
Prevention	N/A
Treatment	Usually none required
Medication	N/A
Prognosis	Generally good
Frequency	Common in older women
Deaths	N/A

Hyperostosis Frontalis Interna (HFI) is a medical condition characterized by the thickening of the frontal bone of the skull. It is most commonly observed in postmenopausal women, but can also occur in men and premenopausal women. The condition is often discovered incidentally during radiographic examination and is usually asymptomatic. However, in some cases, it may be associated with a variety of symptoms and syndromes.

Etiology

The exact cause of Hyperostosis Frontalis Interna is unknown. However, it is believed to be influenced by genetic and hormonal factors. Some studies suggest a possible association with estrogen levels, as the condition is more prevalent in women, particularly those who are postmenopausal.

Symptoms

While Hyperostosis Frontalis Interna is often asymptomatic, it can sometimes be associated with a range of symptoms. These may include headaches, vertigo, mood disorders, and in rare cases, a syndrome known as Morgagni-Stewart-Morel syndrome. This syndrome is characterized by the triad of HFI, obesity, and hirsutism.

Diagnosis

Diagnosis of Hyperostosis Frontalis Interna is typically made through radiographic examination. The condition is characterized by a bilateral and symmetrical thickening of the inner table of the frontal bone. Computed tomography (CT) scans and magnetic resonance imaging (MRI) can also be used to confirm the diagnosis.

Treatment

There is currently no specific treatment for Hyperostosis Frontalis Interna as it is often asymptomatic and does not require intervention. However, in cases where the condition is associated with symptoms, treatment is directed towards managing these symptoms.

See Also

• Hyperostosis
• Morgagni-Stewart-Morel syndrome
• Bone remodeling
• Postmenopause

References

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