The world first carbon-13 MR image. A transverse image of an arm, reflecting the distribution of -CH2- chain of the subcutaneous fatty tissues and bone marrow. The subject was the upper arm of Norio Iriguchi scanned by Jun Hasegawa (1957-1995) in 1986 under the supervision of the Late Professor Masahiro Iio, M.D. of the University of Tokyo.

  • N. Iriguchi and T. Maki, "Natural Abundance Carbon-13 MR Imaging of a Human Arm." Radiation Medicine 5: 30, 1987
  • N. Iriguchi and J. Hasegawa, "Carbon-13 Magnetic Resonance Imaging of a Human Arm." Magn. Reson. Imag. 11: 269-271, 1993