Can someone please tell me about scintigraphy procedure?

Functional imaging: Scintigraphy consists to injecting radioactive material that will be included into the metabolism of the body. For bone, the radioactive tracer will be showing the bone metabolism and for instance can depict metastasis, benign or malignant bone tumors, fractures, infections and so on. Scintigraphy is also used to look at the thyroid gland, the heart, the kidney or the gallbladder function.

Scintigraphy: This procedure is used to show increased bone turnover. Radioactive substance such as gallium 99m are used. This technique is useful for bony diseases such as osteomyelitis to rule out tumors.