A bone scan is done to: 1  Find bone cancer or determine whether cancer from another area, such as the breast, lung, kidney, thyroid gland, or prostate gland, has spread (metastasized) to the bone. 2  Help diagnose the cause or location of unexplained bone pain, such as ongoing low back pain.
June 13, 1720, cyclical sign kanoe-ne: The date the original Gohonzon was transcribed by Nichikan Shonin. Cyclical sign refers to one of sixty calendar signs, which are based on the twelve animal signs of the Chinese zodiac and the ten elements of nature according to old Chinese traditions.
History of Nikon. Nikon began as an optics company in 1917, known then as Nippon Kogaku. What separates Nikon from many of its competitors is that even as early as 1918, the company began its own glass production and research facility. This decision is often said to give Nikon's lenses the clearest images available.