Abstract:
PURPOSE:To determine whether the metabolic features of breast tumours differ among molecular subtypes. METHODS:This prospective study included 168 women diagnosed with locally advanced breast cancer. PET/CT was requested in the initial staging before neoadjuvant treatment (multicentre study, FISCAM grant). All patients underwent an ¹⁸F-FDG PET/CT scan with a dual time-point acquisition. Both examinations (PET-1 and PET-2) were evaluated qualitatively and semiquantitatively with calculation of SUVmax (SUV-1 and SUV-2, respectively), and the percentage variation in the SUVs and retention indexes (RI) between PET-1 and PET-2 in the breast tumour were calculated. Biological prognostic parameters, including the steroid receptor status, HER-2 expression, proliferation rate (Ki-67) and grading, were determined from primary tumour tissue. Tumour subtypes were classified following the recommendations of the 12th International Breast Conference, by immunohistochemical surrogates as luminal A, luminal B-HER2(-), luminal B-HER2(+), HER2(+) or basal. Metabolic semiquantitative parameters and molecular subtypes were correlated. RESULTS:Of the 168 tumours, 151 were classified: 16 were luminal A, 53 were luminal B-HER2(-), 29 were luminal B-HER2(+), 18 were HER2(+) and 35 were basal. There were significant differences between SUV-1 and SUV-2 and the different subtypes, with higher SUVs in HER2(+) and basal tumours. No significant differences were found with respect to RI. CONCLUSION:Semiquantitative metabolic parameters showed statistically significant differences among the molecular subtypes of the tumours evaluated. Therefore, there seems to be a relationship between molecular and glycolytic phenotypes.
journal_name
Eur J Nucl Med Mol Imagingauthors
García Vicente AM,Soriano Castrejón Á,León Martín A,Chacón López-Muñiz I,Muñoz Madero V,Muñoz Sánchez Mdel M,Palomar Muñoz A,Espinosa Aunión R,González Ageitos Adoi
10.1007/s00259-013-2418-7subject
Has Abstractpub_date
2013-09-01 00:00:00pages
1304-11issue
9eissn
1619-7070issn
1619-7089journal_volume
40pub_type
杂志文章abstract::Cardiovascular diseases are the leading cause of death not only in Europe but also in the rest of the World. Preventive measures, however, often fail and cardiovascular disease may manifest as an acute coronary syndrome, stroke or even sudden death after years of silent progression. Thus, there is a considerable need ...
journal_title:European journal of nuclear medicine and molecular imaging
pub_type: 指南,杂志文章
doi:10.1007/s00259-015-3259-3
更新日期:2016-04-01 00:00:00
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journal_title:European journal of nuclear medicine and molecular imaging
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journal_title:European journal of nuclear medicine and molecular imaging
pub_type: 临床试验,杂志文章
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journal_title:European journal of nuclear medicine and molecular imaging
pub_type: 杂志文章,多中心研究
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pub_type: 临床试验,杂志文章
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pub_type: 杂志文章
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更新日期:2010-08-01 00:00:00
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pub_type: 已发布勘误
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journal_title:European journal of nuclear medicine and molecular imaging
pub_type: 杂志文章
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journal_title:European journal of nuclear medicine and molecular imaging
pub_type: 杂志文章,评审
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pub_type: 杂志文章
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更新日期:2020-05-01 00:00:00