Patent ID: 6951640

Claim:
A method of tumor imaging using single-photon-emission tomography(SPECT) wherein the tumor imaging agent administered to the subject is a pharmaceutically acceptable composition containing a compound of the formula wherein M is a SPECT imageable radiometal with or without another carrier metal, R is selected from the group consisting of hydrogen, a halogen, a halogen isotope, or a nitro group, with at least one R being a halogen, a halogen isotope or a nitro group, and Y is selected from the group consisting of ortho, meta, or para O(CH 2 ) n C 2 HB 9 H 10 or O(CH 2 ) n C 2 HB 10 H 10 wherein, 0≦n≦20 and C 2 HB 9 H 10 is nido ortho, meta- or para-carborane and C 2 HB 10 H 10 is ortho-carborane, meta-carborane para-carborane.