Skull with leontiasis ossea ("Lion face"). This rare condition is symptomatic of several diseases including fibrous dysplasia, Paget's disease, hyperparathyroidism, syphilitic osteoperiostitis and renal osteodystrophy. The condition is characterized by an overgrowth of bone (hyperostosis) in the facial and cranial bones.
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.
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]
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
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.
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.