Question 1

What is Oncogenic osteomalacia?

Accepted Answer

Oncogenic osteomalacia is a condition where a small tumor causes a weakening of the bones. This happens because the tumor releases a substance called fibroblast growth factor 23 (FGF23), which stops the kidneys from absorbing enough phosphate. Phosphate is essential for strong bones, so its low levels in the blood lead to soft and weak bones, a state known as osteomalacia.

In addition to bone weakening, biochemical tests show high levels of phosphate in the urine (hyperphosphaturia) and low levels in the blood (hypophosphatemia). Most tumors associated with this condition are slow-growing and benign. They are often found in the skin, muscles, bones of the extremities, or even in the paranasal sinuses. The condition is usually diagnosed when these clinical features are present and a tumor is identified through imaging studies.

Question 2

What are the symptoms of Oncogenic osteomalacia?

Accepted Answer

People with this condition typically experience weakening of the bones, which may lead to bone pain, fractures, or muscle weakness. Laboratory tests often reveal low blood phosphate levels and high phosphate levels in the urine.

Question 3

What causes Oncogenic osteomalacia?

Accepted Answer

This condition is caused by a tumor that releases fibroblast growth factor 23 (FGF23). FGF23 interferes with the kidneys' ability to reabsorb phosphate, leading to low phosphate levels in the blood. While the exact reason the tumors develop is not known, most of these tumors are benign and tend to be small and slow-growing.

Question 4

How rare is Oncogenic osteomalacia?

Accepted Answer

Oncogenic osteomalacia is classified as rare. The estimated prevalence is approximately 1-9 in 1,000,000. Because rare disease data can be limited, actual numbers may differ from published estimates.

Question 5

How is Oncogenic osteomalacia diagnosed?

Accepted Answer

Oncogenic osteomalacia is diagnosed when clinical features such as bone weakening and abnormal phosphate levels are present. Imaging studies are used to locate the tumor responsible for these symptoms.

Question 6

Are there treatments for Oncogenic osteomalacia?

Accepted Answer

The primary treatment for oncogenic osteomalacia is the surgical removal of the tumor. Once the tumor is removed, symptoms including the weakening of bones typically improve.

Question 7

What complications can arise from Oncogenic osteomalacia?

Accepted Answer

Oncogenic osteomalacia can lead to serious complications like frequent bone fractures due to weakened bones. Muscle weakness can also occur, making it harder to perform daily activities. If the tumor causing the condition is not found and removed, these complications may continue to affect your quality of life.

Question 8

How does Oncogenic osteomalacia affect daily life?

Accepted Answer

Living with Oncogenic osteomalacia can be challenging because of bone pain and the risk of fractures. You may find it difficult to engage in physical activities or even perform everyday tasks. It's important to work with your healthcare team to manage symptoms and maintain as active a lifestyle as possible.

Question 9

What is the prognosis for someone with Oncogenic osteomalacia after treatment?

Accepted Answer

The prognosis for someone with Oncogenic osteomalacia is generally good if the tumor is successfully removed. Most tumors are benign, and symptoms like bone weakness usually improve after treatment. However, if the tumor is not located or removed, symptoms may persist, affecting overall health.

Question 10

Are there any specialists I should see for Oncogenic osteomalacia?

Accepted Answer

It is important to see specialists who understand Oncogenic osteomalacia, such as an endocrinologist or an orthopedic doctor. They can help manage the symptoms and monitor your bone health. Additionally, a surgeon may be needed to remove the tumor causing the condition, so consulting with a surgical specialist is also recommended.

Kisho

Oncogenic osteomalacia

Overview

Diagnosis

Treatment

Orphan Drug Designations

Prognosis

Research Landscape

Medical References

External Resources

Orphanet

GARD

Questions for Your Care Team

Questions for Your Care Team

FAQ

Frequently Asked Questions

Clinical Trials

Recent Publications

Latest News & Developments

Bilateral Pathological Femoral Fractures Secondary to Long-Term Tenofovir Disoproxil Fumarate-Induced Osteomalacia in a Woman Living with HIV: A Case Report.

Oncogenic osteomalacia

Overview

Diagnosis

Treatment

Orphan Drug Designations

Prognosis

Research Landscape

Medical References

External Resources

Orphanet

GARD

Related Diseases

Questions for Your Care Team

Questions for Your Care Team

FAQ

Frequently Asked Questions

What is Oncogenic osteomalacia?

What are the symptoms of Oncogenic osteomalacia?

What causes Oncogenic osteomalacia?

How rare is Oncogenic osteomalacia?

How is Oncogenic osteomalacia diagnosed?

Are there treatments for Oncogenic osteomalacia?

What complications can arise from Oncogenic osteomalacia?

How does Oncogenic osteomalacia affect daily life?

What is the prognosis for someone with Oncogenic osteomalacia after treatment?

Are there any specialists I should see for Oncogenic osteomalacia?

Clinical Trials

Recent Publications

Latest News & Developments

Bilateral Pathological Femoral Fractures Secondary to Long-Term Tenofovir Disoproxil Fumarate-Induced Osteomalacia in a Woman Living with HIV: A Case Report.