What are contraindications for scintimammography in the workup of breast cancer?

Updated: Dec 27, 2019
  • Author: Pavani Chalasani, MD, MPH; Chief Editor: John V Kiluk, MD, FACS  more...
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Answer

Scintimammography is not indicated as a screening procedure for the detection of breast cancer. However, it may play a role in various specific clinical indications, as in cases of nondiagnostic or difficult mammography and in the evaluation of high-risk patients, tumor response to chemotherapy, and metastatic involvement of axillary lymph nodes.

In several prospective studies, overall sensitivity of99m Tc-sestamibi scintimammography in the detection of breast cancer was 85%, specificity was 89%, and positive and negative predictive values were 89% and 84%, respectively. Similar numbers have been demonstrated for99m Tc-tetrofosmin and99m Tc-MDP scintimammography. [4]


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