Leontiasis ossea

Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
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Leontiasis ossea
Synonyms	Lion face syndrome
Pronounce	N/A
Specialty	N/A
Symptoms	Facial deformity, headache, vision problems, hearing loss
Complications	Blindness, deafness, breathing difficulties
Onset	Usually in adulthood
Duration	Chronic
Types	N/A
Causes	Paget's disease of bone, fibrous dysplasia, hyperparathyroidism
Risks	Genetic factors, environmental factors
Diagnosis	Clinical examination, radiography, CT scan, MRI
Differential diagnosis	Acromegaly, osteosarcoma, craniofacial fibrous dysplasia
Prevention	N/A
Treatment	Surgery, bisphosphonates, radiotherapy
Medication	N/A
Prognosis	Variable, depending on underlying cause
Frequency	Rare
Deaths	N/A

Leontiasis ossea is a rare medical condition characterized by an overgrowth of the facial and cranial bones. The name is derived from the Greek words "leon" meaning lion and "osis" meaning condition, referring to the lion-like appearance of the affected individual's face. This condition is often associated with Paget's disease of bone, fibrous dysplasia, and hyperparathyroidism.

Causes

Leontiasis ossea is typically caused by an underlying bone disorder such as Paget's disease of bone, fibrous dysplasia, or hyperparathyroidism. These conditions cause abnormal bone growth, leading to the characteristic facial overgrowth seen in leontiasis ossea.

Symptoms

The primary symptom of leontiasis ossea is the overgrowth of the facial and cranial bones. This can lead to a number of complications, including difficulty breathing, impaired vision, and difficulty eating. Other symptoms can include pain, headache, and hearing loss.

Diagnosis

Diagnosis of leontiasis ossea is typically made based on the characteristic facial overgrowth. Imaging tests such as X-rays, CT scan, or MRI may be used to confirm the diagnosis and assess the extent of the bone overgrowth.

Treatment

Treatment of leontiasis ossea is primarily aimed at managing the underlying bone disorder. This may involve medication, surgery, or radiation therapy. In some cases, surgery may be performed to reduce the size of the overgrown bones and alleviate symptoms.

See also

• Paget's disease of bone
• Fibrous dysplasia
• Hyperparathyroidism

References

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