Pickuth D, McCready V R
German Cancer Research Centre, Department of Radiology and Nuclear Medicine, Heidelberg, Germany.
Br J Radiol. 1996 May;69(821):407-9. doi: 10.1259/0007-1285-69-821-407.
Focal renal concentration of radioactivity can simulate metastatic deposits in the lower ribs on bone scintigrams. 400 consecutive bone scintigrams were reviewed for focal areas of increased tracer activity in the kidneys. 62 patients (15.5%) had at least one renal hot spot. In 42 of these 62 patients (67.7%) there was an increased focal uptake in the left kidney (18 upper pole, 18 middle pole and six lower pole). 50 out of 62 bone scans (80.7%) showed increased activity in the right kidney (14 upper pole, 32 middle pole and four lower pole). With the incidence of focal areas of activity in the upper poles of the kidneys being 8%, the interpretation of a single focal abnormality projected over the lower ribs should be made with particular care, especially in cancer patients.
肾脏放射性药物的局灶性浓聚在骨闪烁扫描中可模拟下肋骨的转移灶。回顾了连续400例骨闪烁扫描，以查找肾脏中示踪剂活性增加的局灶区域。62例患者（15.5%）至少有一个肾脏热点。在这62例患者中的42例（67.7%），左肾有局灶性摄取增加（18例上极、18例中极和6例下极）。62例骨扫描中的50例（80.7%）显示右肾活性增加（14例上极、32例中极和4例下极）。鉴于肾脏上极活性局灶区域的发生率为8%，对于投影在下肋骨上的单个局灶性异常的解读应格外谨慎，尤其是在癌症患者中。
