Breast cancer staging using technetium-99m sestamibi and indium-111 pentetreotide single-photon emission tomography

Arturo Chiti, Roberto Agresti, Lorenzo S. Maffioli, Gorana Tomasic, Giordano Savelli, Flavio Crippa, Silvana Pilotti, Marco Greco, Emilio Bombardieri

Research output: Contribution to journalArticlepeer-review

Abstract

We evaluated the clinical usefulness of single-photon emission tomography (SPET) with technetium-99m sestamibi and indium-111 pentetreotide in breast cancer staging. Fifteen patients with clinical and/or mammographic findings suggesting T1-2N0-1 breast cancer were studied. SPET images were acquired 20 min after 99mTc-sestamibi injection and 4 and 24 h after 111In-pentetreotide injection. Patients underwent surgery the day after the later 111In-pentetreotide acquisition. Pathological examination showed 16 tumours in the 15 patients, with one bilateral carcinoma. The mean tumour diameter was 18.7 mm. Metastatic axillary involvement was found in 6/16 tumours, with a mean of five metastatic nodes per axilla. Both tracers correctly identified 15/16 primary tumours and five of the six cases of metastatic axillary node involvement. No difference between the tracers was observed in breast cancer staging. 99mTc-sestamibi seems to be the better tracer in terms of physical characteristics, execution time and cost-effectiveness. Our data suggest the future possibility of using nuclear medicine imaging to avoid axillary dissection in patients with T1 breast cancer.

Original languageEnglish
Pages (from-to)192-196
Number of pages5
JournalEuropean Journal Of Nuclear Medicine
Volume24
Issue number2
DOIs
Publication statusPublished - 1997

Keywords

  • Axillary lymph nodes
  • Breast cancer
  • Indium-111 pentetreotide
  • Technetium-99m sestamibi

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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