ArticleFrontiers in medicine2025
Case Report: Neuroendocrine carcinoma of the breast: a review of the literature and illustration of six cases.
Article in Frontiers in medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Adjuvant chemotherapy combined with pembrolizumab immunotherapy for primary triple-negative neuroendocrine carcinoma of the breast: a case report and literature review.Frontiers in immunology · 2026Review
- Primary large cell neuroendocrine carcinoma of the breast with metastasis in the lymph nodes: a case report and literature review.Frontiers in oncology · 2026Article
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Abstract
"Primary neuroendocrine breast carcinoma (NEBC) is an underdiagnosed subtype of breast cancer, which includes small cell (SCNEC) and large cell neuroendocrine carcinomas (LCNEC). Accurate diagnosis remains challenging given their low incidence; misclassification as invasive breast carcinoma of no special type (IBC-NST), invasive ductal carcinoma (IDC), or a metastatic neuroendocrine carcinoma may occur. Cases with any component of adenocarcinoma and well-differentiated neuroendocrine tumors were excluded. A search of the pathology database (2012-2024) revealed six female patients (27-85 years) with a final pathologic diagnosis of NEBC (stages IA-IV), including four diagnosed with LCNEC and two with SCNEC. Even though most NEBC cases (5 of 6; 83%) were of the luminal subtype, five of six patients (83%) developed distant metastases within 4 years of the initial diagnosis. Molecular profiling of six cases revealed common alterations in the FGF/FGFR and PI3K/AKT/mTOR pathways. In summary, primary neuroendocrine carcinomas of the breast display aggressive behavior. However, they are more likely to harbor certain alterations, such as activating
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