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Palo Alto, California
ABSTRACT
One hundred and sixty-four 85Sr bone scintiscans were performed in 50patients on 59 occasions. Correct interpretation of the bone scan required knowledge of the normal sites of increased radioactivity at the ends of the long bones,around the acetabula and sacroiliac joints, over the vertebrae, carpal and tarsalbones.Thirty-two of fifty patients had an abnormal scan including 17 with metastases, nine with osteomyelitis, two with primary bone neoplasms, two withlymphoma, one with Gaucher's disease and one with Paget's disease. Fourteenof these patients had negative roentgenograms at the time of the scan. The bonescan was particularly useful in the early diagnosis of osteomyelitis and metastases,and in differentiating bone islands from osteoblastic metastases.
FOOTNOTES
1 Chief, Radioisotope Service, Veterans Administration Hospital, Stanford School of Medicine, Palo Alto, California.
2 Resident, Internal Medicine, Fitzsimons General Hospital.
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