passages.id: split_4_test_230_passage
passages.type: progene_text
passages.text: Technetium-99m-methylene diphosphonate ( Tc-99m MDP ) scintimammography ( SMB ) was used to investigate palpable breast masses during routine presurgical bone scintigraphy , for women at high risk for cancer and who were candidates for surgery or excisional biopsy .