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  • 1
    ISSN: 1619-7089
    Keywords: Repeated quantitative bone scintigraphy ; Prostatic carcinoma ; Orchiectomy ; Flare phenomenon
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Bone scintigraphy was performed in 16 men with newly diagnosed prostatic carcinoma before orchiectomy as well as 2 weeks and 2 months after operation. The uptake in the lower thoracic and lumbar vertebrae was registered up to 240 min after injection of 99mTc-MDP and was then calculated for each patient and vertebra. The relative standard deviation in measured uptake due to measuring technique was estimated to be±7%. In eight patients, who had normal bone scintigraphies before orchiectomy, there were no changes in the uptake values after operation. The remaining eight patients had widespread metastatic involvement prior to treatment. Six of these patients showed a so called “flare phenomenon” in the abnormal vertebrae which means an initial increase in uptake after operation followed by a decreased uptake in response to therapy. One patient had a continuously increased uptake in all the abnormal vertebrae which correlated well with the clinical progression of the disease, while in another patient both reactions were seen. Thus, repeated quantitative bone scintigraphies using 99mTc-MDP can be made in a reproducible way and can be a useful tool to follow a patient's response to treatment.
    Type of Medium: Electronic Resource
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