Serum amyloid p protein

A method for determining the presence of amyloid deposits in a tissue or organ of a subject, the method comprising:

• i. systemic administering of an amyloid P protein by radiolabelling the protein with at least one of:
• iodine 125 (125I), iodine 123 (123I), iodine 131 (131I), iodine 124 (124I), indium 111 (111In) or technetium 99m. (99 mTc);
• ii. using a gamma camera, detecting a signal in the tissue or organ, the signal being emitted by the protein;
• and
• iii. obtaining at least one image of the tissue or organ, the image being obtained as output data from a gamma camera.

A method for determining the presence of amyloid deposits in a tissue or organ in a subject, the method comprising:

• i. systemic administering of an amyloid P protein by radiolabelling the protein with at least one of:
• iodine 125 (125I), iodine 123 (123I), iodine 131 (131I), iodine 124 (124I), indium 111 (111In) or technetium 99m. (99 mTc);
• ii. quantifying, in a biological sample of the subject, the signal emitted by the administered protein;
• and
• iii. determining a ratio between the quantity of protein quantified at step (ii) and the quantity of protein administered at step (i).