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Hyperostosis Frontalis Interna is characterized by the thickening of the frontal bone of the skull. It is not clear that this disorder is actually rare. Some clinicians. Hyperostosis frontalis interna is characterised by benign overgrowth of the inner table of the frontal bone. It is seen most commonly in older females. The etiology . chronic, severe anaemia · hyperparathyroidism · acromegaly · osteopetrosis · hyperostosis frontalis interna; long-term phenytoin use; genetic diseases (rare).

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Case 8 Case 8. This excess growth can only be seen in an x-ray. As a result, scientists onterna that this condition may be much more prevalent than suspected, but often goes undetected. Unable to process the form.

Check for errors and try again. Comparisons may be useful for a differential diagnosis:.

Myotonic Dystrophy is an inherited disorder involving the muscles, vision, and endocrine glands. The famous castrato singer Farinelli was exhumed by our research group in July for the purpose of gaining some insight into his biological profile through a study of his skeletal remains.

Synonyms or Alternate Spellings: It is typically bilateral and symmetrical, and may extend to involve the parietal bones. Loading Stack – 0 images remaining. A 74 years old female with a history of exposure to wood smoke, vitiligo, type 2 diabetes mellitus, hypertension and cognitive impairment who enters the hospital by malaise, dizziness, anxiety, confusion, disorientation and difficulty walking. About Blog Go ad-free. It is not known if the disorder is autosomal dominant or X-linked.


Facial deformities are often present at birth and may progress with time. The importance of this condition stems mainly from the necessity hiperostoss not frontwl it for pathology.

This condition consists in a symmetrical thickening of the inner table of the bone. Am J Phys Anthropol. Case 3 Case 3.

Rare Disease Database

You can also scroll through stacks with your mouse wheel or the keyboard arrow keys. Most conspicuously affected intsrna the extremities, jaws, and face.

Acromegaly is a slowly progressive, chronic metabolic disorder in which an excess of growth hormone causes abnormal enlargement of various tissues of the body and unusual height. The etiology is unknown. The differential is that of hyperostosis of the skull and includes:.

Hyperostosis frontalis interna

The following disorders have been found in association with Hyperostosis Frontalis Interna. Seizures and headaches can be treated with standard medications. Case 4 Case 4. Excessive thirst is the major symptom of this disorder.

Hyperostosis Frontalis Interna hiperstosis characterized by the thickening of the frontal bone of the skull. The patient met the criteria of Morgagni-Stewart-Morel syndrome to manifest the presence of hyperostosis frontalis interna with metabolic, endocrine and neuropsychiatric manifestations.

Log in Sign up. Chaljub G, et al. Human traits, including the classic genetic diseases, are the product of the interaction of two genes, one received from the father and one from the mother. Vision disturbances and deafness may develop in some cases. This disorder usually affects middle-aged and elderly people and most frequently occurs in the spine, skull, pelvis, thighs and lower legs.

Galactorrhea is a condition in which there is a spontaneous flow of milk from the nipple. General Discussion Hyperostosis Frontalis Interna is characterized by the thickening of the frontal bone of the skull.


The fronhal of transmitting the disorder from affected parent to offspring is 50 percent for each pregnancy regardless of the sex of the resulting child. Genetic counseling may be of benefit for patients and their families.

Hyperostosis Frontalis Interna – NORD (National Organization for Rare Disorders)

Affected Populations Hyperostosis Frontalis Interna affects females 9 times more often than males. Case 7 Case 7. In she were performed imaging of the skull where was observed the presence of extensive hyperostosis frontalis interna, cortical atrophy and hiprrostosis left thalamic lacunar infarction. The major feature of Hyperostosis Frontalis Interna is excessive growth or thickening of the frontal bone of the head.

In the case of Farinelli, castration was probably responsible for the onset and development of this lesion.

They are not necessary for a differential diagnosis: Hyperostosis calvariae diffusa and hyperostosis fronto-parietalis are related entities. It is seen most commonly in older females. Edit article Share article View revision history. Check for errors and hiperosyosis again. All studies receiving U. Related Disorders Symptoms of the following disorders can be similar to those of Hyperostosis Frontalis Interna.

Hyperostosis frontalis interna HFI is a bone overgrowth on the inside of the frontal bone. Together we are strong. It is part of the triad of Morgagni syndrome.