ArticleOncology letters2012
Morphological and biomolecular characteristics of subcentimetric invasive breast carcinomas in Sicily: A multicentre retrospective study in relation to trastuzumab treatment.
Article in Oncology letters, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed.
- Albumin binding improves the pharmacokinetics and therapeutic efficacy of aScience advances · 2026Article
- HER2 Heterogeneity in Personalized Therapy of Gastro-Oesophageal Malignancies: An Overview by Different Methodologies.Journal of personalized medicine · 2020Review
- Immunoexpression of lactoferrin in triple-negative breast cancer patients: A proposal to select a less aggressive subgroup.Oncology letters · 2017Article
- HER2 Analysis in Sporadic Thyroid Cancer of Follicular Cell Origin.International journal of molecular sciences · 2016Article
Corrections and comments
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Authors and funding
15 authors.
Funding
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Abstract
Little information from clinical trials is available regarding the efficacy of trastuzumab treatment in subcentimetric breast carcinomas (BCs). The aim of this study was to verify the existence of correlations between HER2 and hormone receptor status, Ki67 values, grade, histotype and node involvement in a cohort of pT1a,b BCs from an area not widely covered by screening campaigns. A total of 410 pT1a,b BC formalin-fixed paraffin-embedded samples collected from eight Sicilian Anatomo-Pathological Units (APUs) were classified according to the WHO classification and tumour grading was established. Estrogen and progesterone receptor status, Ki67 labelling index and HER2 status were available. Relationships between immunohistochemical data and clinicopathological characteristics were investigated using the Chi-square test; the cohort was analysed with respect to pT1a and pT1b BC as well as to node status. Ductal infiltrating carcinoma was the prevalent histotype in the pT1a and pT1b stages; G2 was a more common tumour grade, with a range between 64.6% and 70% of pT1a and pT1b, respectively. Taking into consideration the lymph node involvement of pT1a,b BC, only 17.1% cases were node-positive without a relevant difference between pT1a and pT1b. No significant differences between pT1a and pT1b BC cases emerged in relation to Ki67 LI, hormone receptors and HER2 status. T1a,b BC cases were stratified by node involvement and a significant relationship was observed with grade as well as with HER2 status. A significant relationship for pT1a cases emerged only for tumour grade, while pT1b cases showed a significant correlation exclusively with HER2 status. Our data clearly support the operative guidelines of the National Comprehensive Cancer Network. Therefore, the combined treatment with trastuzumab plus chemotherapy should be administered only to patients with pT1b or larger BCs. In small HER2-positive pT1a or microinvasive BC, this therapy should be considered on a case-by-case basis, considering tumour grade as the first characteristic.
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Registered trials
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