Hyperostosis frontalis interna

By Medically reviewed by Panel Perubatan Hello Doktor


What is Hyperostosis frontalis interna?

Hyperostosis frontalis interna is an inherited pathological condition which is characterized by thickening of the frontal bone of the skull.

How common is Hyperostosis frontalis interna?

It is not clear that this disorder is actually rare. Some clinicians believe that it may be a common abnormality found in as many as 12 percent of the female population. Hyperostosis Frontalis Interna affects females 9 times more often than males. This disorder presents itself most often among the middle-aged and elderly but has also been found in adolescents. The disorder may be found associated with a variety of conditions such as seizures, headaches, obesity, diabetes insipidus, excessive hair growth and sex gland disturbances. Please discuss with your doctor for further information.


What are the symptoms of Hyperostosis frontalis interna?

The major feature of Hyperostosis frontalis interna is excessive growth or thickening of the frontal bone of the head. This excess growth can only be seen in an X-ray. As a result, scientists feel that this condition may be much more prevalent than suspected, but often goes undetected. Many people have no apparent symptoms.

Other conditions that may be found in patients with this disorder are:

  • Obesity, a condition in which secondary male sexual traits are acquired by a female (virilization)
  • A central nervous system disorder characterized by a sudden, aimless, uncontrollable discharge of electrical energy in the brain causing a convulsion or loss of consciousness (epilepsy)
  • Decreased vision
  • Headaches
  • Disturbances of the ovaries and testes (sex glands or gonads)
  • Excessive body hair
  • Diabetes

There may be some symptoms not listed above. If you have any concerns about a symptom, please consult your doctor.

When should I see my doctor?

If you or your loved one has any signs or symptoms listed above or you have any questions, please consult with your doctor. Everyone’s body acts differently. It is always best to discuss with your doctor what is best for your situation.


What causes Hyperostosis frontalis interna?

The root cause of the condition is not known.

Hyperostosis Frontalis Interna has been found in multiple generations suggesting that the disorder may be inherited as a dominant trait. It is not known if the disorder is autosomal dominant or X-linked. There are no known cases of male-to-male (father to son) transmission.

Risk factors

What increases my risk for Hyperostosis frontalis interna?

Please consult with your doctor for further information.

Diagnosis & treatment

The information provided is not a substitute for any medical advice. ALWAYS consult with your doctor for more information.

How is Hyperostosis frontalis interna diagnosed?

Please consult with your doctor for further information.

How is Hyperostosis frontalis interna treated?

There is no known treatment for Hyperostosis frontalis interna. Seizures and headaches can be treated with standard medications.

Genetic counseling may be of benefit for patients and their families. Other treatment is symptomatic and supportive.

Lifestyle changes & home remedies

What are some lifestyle changes or home remedies that can help me manage Hyperostosis frontalis interna?

If you have any questions, please consult with your doctor to better understand the best solution for you.

Hello Health Group does not provide medical advice, diagnosis or treatment.

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Review Date: February 5, 2018 | Last Modified: December 8, 2019

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