Bone Scan is a special type of nuclear medicine imaging technique that is used to assess the bones of the entire body. In the scan, a tiny amount of a harmless radioactive dye is injected into a vein. This tracer is circulated in the blood and taken up by the bones, particularly at the site of increased bone activity. A special gamma camera then generates detailed images, which can aid in the detection of fractures, infections, arthritis, bone tumours, metastatic bone cancer and other abnormalities of the skeletal system not seen on a plain X-ray.

Molecular Diagnostics and Therapy is a state-of-the-art gamma camera-based Nuclear Medicine center that has been accredited by NABL & NABH. Our skilled nuclear medicine doctors can diagnose and report results promptly, which is important for the effective planning of treatment and care for our patients.

About Bone Scan

A Bone Scan is a very sensitive imaging test used to identify bone metabolic changes instead of just bone structure. Often used to detect bone disorders at an early stage, even before the appearance of the condition on regular X-rays.

The exam is often performed by orthopedic specialists, oncologists, rheumatologists, and doctors when they suspect fractures, infections, arthritis, or cancer that has spread to the bones, or when the pain is unexplained.

What is a Bone Scan?

A Bone Scan is a type of nuclear medicine imaging that involves a very small amount of a radioactive material that is injected into a vein. A gamma camera takes pictures of the body or part of the body after a period of time, which is used to allow the tracer to be distributed to the bones. Increased bone activity (a "hot spot") and decreased bone activity (a "cold spot") are used to help physicians determine various bone conditions.

Common Reasons for a Bone Scan

Your doctor may recommend this examination to:

• Investigate unexplained bone pain
• Detect stress fractures or occult fractures
• Diagnose bone infections (osteomyelitis)
• Evaluate arthritis and inflammatory joint diseases
• Detect primary bone tumors
• Identify bone metastases from cancer
• Assess prosthetic joint complications
• Monitor response to cancer treatment
• Evaluate avascular necrosis
• Investigate unexplained elevated alkaline phosphatase levels

Conditions Detected

A Bone Scan can help diagnose:

• Bone metastases
• Primary bone tumors
• Stress fractures
• Occult fractures
• Osteomyelitis (bone infection)
• Osteoarthritis
• Inflammatory arthritis
• Avascular necrosis
• Paget's disease of bone
• Prosthetic joint complications
• Unexplained bone pain

Benefits of Bone Scan

• Detects bone abnormalities at an early stage
• Highly sensitive for skeletal disorders
• Evaluates the entire skeleton in a single examination
• Helps detect bone involvement before X-rays become abnormal
• Useful for cancer staging and treatment monitoring
• Minimally invasive with only a small tracer injection
• Supports accurate diagnosis and treatment planning

Risks and Limitations

Safety

• Uses a very small amount of radioactive tracer with minimal radiation exposure.
• Allergic reactions to the tracer are extremely rare.
• Pregnant or breastfeeding patients should inform their doctor before the examination.

Limitations

• A Bone Scan is highly sensitive but may not always identify the exact cause of abnormal tracer uptake.
• Additional imaging such as X-ray, CT scan, MRI, PET-CT, or biopsy may be required for confirmation.
• Recent fractures, surgery, or arthritis may also produce increased tracer uptake and should be interpreted in the clinical context.

Conclusion

The bone scan provides an overall image of skeletal health and is best for the early diagnosis of fractures, infections, arthritis, bone tumors, and other bone disorders. Molecular Diagnostics and Therapy uses advanced laboratory pathology services and provides reports promptly with the best care of the patient.