The acupuncture points are known to be morphorlogically related to the nerves and vessels. Yet the physiological role of blood vessels in the formation of acupuncture points remains unknown. With subcutaneous injection of99mTc pertechnetate at the acupuncture points K-3 and B-60 and with intra-acupuncture point injection of99mTc pertechnetate at K-3 and B-60, a lower-limb venography like what was obtained by intravenous injection of99mTc macroaggregated albumin was demonstrated in the present study. It seems that some acupuncture points do play a role in drainage of tissue fluid from soft tissue into the veins.
The elevation of the concentration of tissue free water tritium (TFWT) in pine needles was discernible in the tree growing around a nuclear power plant. The values varied from 2.6 Bq/l to 6.1 Bq/l with a mean value of 3.8 Bq/l. Analysis of pine needles collected at Fukui City as control samples was done. The values averaged 1.7 Bq/l and fell within 1.5 B/l-1.8 Bq/l which was obtained nation-wide survey of TFWT in pine needles in Japan. The present study also revealed that reactor tritium incorporated into pine needles decreased rapidly with a half time of 6 days and then tissue free water tritium has a short retention time.
The 11 patients with chronic renal failure had the operation of the internal A-V shunt. The two groups were divided the group I (the patients were injected67Ga-Fbg, within 5 days after the operation of A-V shunt) from the group II (the patients were injected67Ga-Fbg. from 7 months to 6 years after A-V shunt) . We examined 72 h after the injection of67Ga-Fbg, in all patients. In group I, the scintigraphy showed the deposition of67Ga-Fbg, in all 5 patients, but 3 petients were given dipyridamole (75-300 mg) . The scintigraphy examined 3 weaks after A-V shunt were negative in 2 patients in group I. In group II, the scintigraphy showed the deposition of67Ga-Fbg, in the two of 6 patients. Within 5 day after A-V shunt, we observed there was the tendency of the thrombus formation. The scintigraphy of67Ga-Fbg. was useful for the detection of thrombus in vivo.