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Leontiasis ossea, or lion face, is a historical term with no clinical significance used to characterize an overgrowth of the facial and cranial bones that can be caused by several diseases. When a person has a disease that causes lion face, one or both maxilla will progressively grow, eventually affecting the eye orbits, mouth, nose and sinuses. Read more at StrangeRemains: http://strangeremains.com/2014/04/02/a-rare-condition-that-causes-overgrown-facial-bones/

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Leontiasis ossea - a largely historical term used to describe a number of conditions which result in the affected patient’s face resembling that of a lion. Although it is most frequently the result of craniofacial fibrous dysplasia (as in this case), the term has a broader usage encompassing other expansile facial bone diseases such as Paget’s disease.

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Leontiasis ossea, a.k.a. "lion face" - Leontiasis Ossea, also known as leontiasis or lion face, is a rare medical condition, characterized by an overgrowth of the facial and cranial bones. It is not a disease in itself, but a symptom of other diseases, including Paget’s disease, fibrous dysplasia, hyperparathyroidism and renal osteodystrophy. In the somewhat less common form of this rare disease the overgrowth of bone affects all the cranial bones as well as those of the face, the senses…

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strangeremains - Lion Face: A Rare Condition Characterized By Overgrown Facial Bones • L: chronic infection set off frontal & maxillary bossing in 25-year-old man afflicted by Leontiasis ossea [Wikipedia image] • R: skull, Bologna's Museum for history of science [image Scott Haddow]

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Leontiasis ossea -largely historical term used to describe a number of conditions which result in affected patient's face resembling that of a lion. Although it is most frequently associated w craniofacial fibrous dysplasia, it has a broader meaning encompassing other lesions that have similar appearance.

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Leontiasis ossea, or lion face, is an overgrowth of the facial and cranial bones caused by disease. Your head would weigh a ton!

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The skull shows an overgrowth of the bones due to the disease Leontiasis ossea. Leontiasis Ossea, also known as leontiasis or lion face, is a rare medical condition, characterized by an overgrowth of the facial and cranial bones. It is not a disease in itself, but a symptom of other diseases.

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Un cas de Leontiasis ossea dans les collections du Museum d'Histoire Naturelle de Perpignan (1)

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Skull displaying Leiontiasis Ossea at the Musée Dupuytren in Paris. Leontiasis Ossea, also known as leontiasis, lion face or Lion Face Syndrome, is a rare medical condition characterized by an overgrowth of the facial and cranial bones. Leontiasis Ossea has no diagnostic significance. It is only a description of a symptom of bone disease with a broad variability. Photo credit: bidulx

15 Weird Diseases

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