Universidade De Araraquara Uniara,To: Author
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MR71912
Primary squamous cell carcinoma (SCC) of the breast is a rare type of cancer, representing between 0.06% and 0.2% of malignant breast tumors. The disease presents with rapid growth and an aggressive pattern, and the lack of well-defined therapeutic protocols hinders its treatment. The following is a case report of a 64-year-old patient referred due to the appearance of a nodule in her left breast with progressive growth. On physical examination, she presented with a large breast mass (>10 cm) and palpable axillary lymph nodes. Core biopsy identified the lesion as poorly differentiated carcinoma, staged as T4d N1 Mx (inflammatory). The patient was referred for neoadjuvant chemotherapy with paclitaxel and carboplatin, but experienced tumor progression during chemotherapy and was referred for a hygienic mastectomy. The histopathological result showed an invasive carcinoma with squamous differentiation, grade 3, ulcerated with invasion of the pectoral muscle and free margins (pT4b pNx pMx). Only after immunohistochemistry was it confirmed that it was, in fact, a keratinizing squamous cell carcinoma (SCC). Postoperatively, the patient returned with signs of surgical wound dehiscence and pleuropulmonary and mediastinal metastatic progression. After multidisciplinary and family discussion, exclusive palliative care was instituted. Primary SCC of the breast presents with an aggressive clinical picture and a challenging diagnosis, requiring histopathological and immunohistochemical confirmation. The gold standard of treatment includes surgery with free margins, but there is no consensus regarding adjuvant chemotherapy. The prognosis is guarded, especially in locally advanced or metastatic cases
Maria Clara Vieira Martinez, Isabella Franco Barbosa Pesce, Pietra Lopes Monti, Letícia Dalavale Fabretti, Roseane Rigo, Daniela Videira Botton, Thais Luiza Pavan Martins, Vitória Ribeiro Farinha, Carla de Freitas, Flávia Vicentin Silva, Luciana Borges Lombardi. 2026. \u201cPrimary Squamous Cell Carcinoma of the Breast: A Rare Case Report\u201d. Global Journal of Medical Research, Global Journal of Medical Research - F: Diseases GJMR-F Volume 26 (GJMR Volume 26 Issue F1): .
Crossref Journal DOI 10.17406/gjmra
Print ISSN 0975-5888
e-ISSN 2249-4618
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Total Score: 140
Country: Brazil
Subject: Global Journal of Medical Research
Authors: (PhD/Dr. count: 0)
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Total Views (Real + Logic): 72
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Publish Date: 2026 02, Wed
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Background: Chronic kidney disease (CKD) is a progressive condition leading
This paper attempted to assess the attitudes of students in
Primary squamous cell carcinoma (SCC) of the breast is a rare type of cancer, representing between 0.06% and 0.2% of malignant breast tumors. The disease presents with rapid growth and an aggressive pattern, and the lack of well-defined therapeutic protocols hinders its treatment. The following is a case report of a 64-year-old patient referred due to the appearance of a nodule in her left breast with progressive growth. On physical examination, she presented with a large breast mass (>10 cm) and palpable axillary lymph nodes. Core biopsy identified the lesion as poorly differentiated carcinoma, staged as T4d N1 Mx (inflammatory). The patient was referred for neoadjuvant chemotherapy with paclitaxel and carboplatin, but experienced tumor progression during chemotherapy and was referred for a hygienic mastectomy. The histopathological result showed an invasive carcinoma with squamous differentiation, grade 3, ulcerated with invasion of the pectoral muscle and free margins (pT4b pNx pMx). Only after immunohistochemistry was it confirmed that it was, in fact, a keratinizing squamous cell carcinoma (SCC). Postoperatively, the patient returned with signs of surgical wound dehiscence and pleuropulmonary and mediastinal metastatic progression. After multidisciplinary and family discussion, exclusive palliative care was instituted. Primary SCC of the breast presents with an aggressive clinical picture and a challenging diagnosis, requiring histopathological and immunohistochemical confirmation. The gold standard of treatment includes surgery with free margins, but there is no consensus regarding adjuvant chemotherapy. The prognosis is guarded, especially in locally advanced or metastatic cases
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