Publications by authors named "Maria Blumenstein"

Purpose: Little is known about the reason of high short-term complication rates after the subcutaneous placement of breast implants or expanders after mastectomy without biological matrices or synthetic meshes. This study aims to evaluate complications and their risk factors to develop guidelines for decreasing complication rates.

Methods: We included all cases of mastectomy followed by subcutaneous implant or expander placement between 06/2017 and 05/2018 (n = 92).

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Purpose: To explore the ability of intraoperative specimen radiography (SR) to correctly identify positive margins in patients receiving breast conserving surgery (BCS). To assess whether the reoperation rate can be reduced by using this method.

Methods: This retrospective study included 470 consecutive cases receiving BCS due to a primarily diagnosed breast cancer.

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Background: Disseminated tumor cells (DTC) in the bone marrow (BM) of primary breast cancer (BC) patients are a promising surrogate marker of micrometastatic spread and an independent predictor of poor prognosis for disease-free survival (DFS) and overall survival (OS). The present study aims to analyze DTCs as an independent prognostic factor for DFS/OS in tumor biology and bisphosphonate treatment.

Methods: A total of 504 patients with operable primary BC and a median observation time of 72.

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Background: Some Rofil Medical breast implants are relabelled Poly Implant Prothèse (PIP) implants, and it is recommended that Rofil implants be managed in the same way as PIP implants. We report the results of a systematic recall of patients who had received Rofil implants.

Method: All patients who received Rofil implants at our centre were identified and invited for specialist consultation.

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Background: The bone marrow (BM) of breast cancer patients harbors tumor-reactive memory T cells (TCs) with therapeutic potential. We recently described the immunologic effects of adoptive transfer of ex vivo restimulated tumor-reactive memory TCs from the BM of 12 metastasized breast cancer patients in a clinical phase-I study. In this trial, adoptive T cell transfer resulted in the occurrence of circulating tumor antigen-reactive type-1 TCs.

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Severe immune suppression is frequent in late-stage tumor patients and promotes tumor immune evasion and subsequent tumor progression. Regulatory T cells (Treg) are major suppressors of anti-tumor immune responses. Therefore, targeting of Treg has become a key goal of anti-tumor therapy.

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We analysed intra- and inter-rater agreement of subjective third party assessment and agreement with a semi-automated objective software evaluation tool (BCCT.core). We presented standardized photographs of 50 patients, taken shortly and one year after surgery to a panel of five breast surgeons, six breast nurses, seven members of a breast cancer support group, five medical and seven non-medical students.

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Article Synopsis
  • Reexcision during breast conservation surgery affects cosmetic outcomes, with studies showing varied results; this analysis aimed to provide clarity using a standard method.
  • A cohort of 439 patients was studied, comparing aesthetic results between those who underwent reexcision (80 patients) and those who did not (359 patients), using the Breast Cancer Treatment Outcome Scale (BCTOS).
  • Results indicated that patients with reexcision had poorer aesthetic outcomes compared to those with only one surgery, particularly when controlling for variables like tumor invasiveness and size.
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