前列腺癌患者经常出现广泛骨转移,偶可引起~(99m)Tc-MDP(骨显像剂)均匀分布,形似正常的图形。实际上这只是由于骨对显像剂过度均匀地摄取而造成。这种过度摄取图形,可以由骨/软组织放射性高比值、脊柱没有局部病灶以及经常没有肾影来识别。但是,这可能和肾功能衰竭或尿路阻塞患者的图形混淆。因此需要用一个简单的有关骨摄取放射性药物的定量显像指数来鉴别这些过度摄取的图形。 Prostate cancer patients often have extensive bone metastases, even cause ~ (99m) Tc-MDP (bone imaging agent) evenly distributed, the shape of the normal pattern. This is actually caused only by the over-uniform absorption of the imaging agent by the bone. This over-uptake pattern can be identified by the high ratio of bone / soft tissue radioactivity, the absence of local lesions in the spine, and often the absence of renal shadow. However, this may be confused with the picture of a patient with renal failure or urinary tract obstruction. Therefore, a simple quantitative imaging index of bone uptake of radiopharmaceuticals is needed to identify these over-taken patterns.