Bone scan, planar or Spect (single photon emission computed tomography) technique is the most frequently nuclear medicine procedures used in the osteoarticular applications.Other procedure, especially Galium 67, is also used.Bone scan is a safe, painless and cost-effective procedure to get information in a wide variety of diseases: malignancies, sports injuries, fractures, infections, inflammations, etc. Very early in the course of these diseases, it is possible to obtain a positive bone scan that reflects both: osteoblastic activity and skeletal vascular abnormalities.However the specificity is much less than the sensitivity of the bone scan procedure, but frequently the final diagnosis can be made by correlating the bone image with clinical data and radiographic findings.