Technetium 99m-methyl diphosphonate
Technetium 99m-methyl diphosphonate (99mTc MDP) is a radiotracer used in nuclear medicine especially for bone scintigraphy. Any disease process which results in extracellular fluid expansion will lead to accumulation of this tracer.
Radionuclide profile
- photon energy: 140 keV
- physical half life: 6 hours
- critical organ: bladder
Uses
- osteomyelitis
- fractures, including stress and insufficiency fractures
- malignancy, e.g. osteoid osteoma, bone metastases, soft tissue sarcomas
- painful scoliosis
- post-traumatic hematomas, myositis ossificans, heterotopic ossification
- tumoral calcinosis
- metastatic pulmonary calcification
- sickle cell disease
