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Neoadjuvant chemotherapy for primary operable breast cancer. 2020

Anne Krag Halberg, and Charlotte Dahl Gravesen, and Søren Cold, and Jeanette Dupont Jensen

BACKGROUND Neoadjuvant chemotherapy (NACT) has been found useful in downstaging tumours in women with primary operable breast cancer without increasing mortality. As a result of several studies supporting this, the Danish Breast Cancer Cooperative Group implemented new guidelines for the treatment of primary operable T2 N0/N1 M0 ductal carcinomas in late 2016, treating patients with six cycles of NACT. This study aimed to conduct a quality assessment of the efficacy of the NACT regime based on real-time data from a single Danish hospital. METHODS A retrospective observational study was conducted at Odense University Hospital, Denmark, from the introduction of the NACT regime to December 2018. Patients were identified using the surgical department's registry. Through medical chart review, predefined outcomes were collected on tumour characteristics, surgical outcomes, treatment response and type of NACT treatment. Descriptive statistics and Fisher's exact test were used on relevant data. RESULTS Among the 64 patients, 67% completed a recommended NACT regime. A 55% majority underwent lumpectomy and 64% were spared axillary dissection. Complete pathological response was found in 28% of patients. After treatment, 38% of the pre-NACT N1 patients were downstaged to N0. CONCLUSIONS This study indicated that the NACT regime was a favourable treatment strategy for these patients. Two-thirds of patients were able to undergo a recommended NACT regime. The majority of patients were both spared axillary dissection and mastectomy. BACKGROUND none. BACKGROUND not relevant.

UI MeSH Term Description Entries
D008197 Lymph Node Excision Surgical excision of one or more lymph nodes. Its most common use is in cancer surgery. (From Dorland, 28th ed, p966) Lymph Node Dissection,Lymphadenectomy,Dissection, Lymph Node,Dissections, Lymph Node,Excision, Lymph Node,Excisions, Lymph Node,Lymph Node Dissections,Lymph Node Excisions,Lymphadenectomies,Node Dissection, Lymph,Node Dissections, Lymph
D008408 Mastectomy Surgical procedure to remove one or both breasts. Mammectomy,Mammectomies,Mastectomies
D001943 Breast Neoplasms Tumors or cancer of the human BREAST. Breast Cancer,Breast Tumors,Cancer of Breast,Breast Carcinoma,Cancer of the Breast,Human Mammary Carcinoma,Malignant Neoplasm of Breast,Malignant Tumor of Breast,Mammary Cancer,Mammary Carcinoma, Human,Mammary Neoplasm, Human,Mammary Neoplasms, Human,Neoplasms, Breast,Tumors, Breast,Breast Carcinomas,Breast Malignant Neoplasm,Breast Malignant Neoplasms,Breast Malignant Tumor,Breast Malignant Tumors,Breast Neoplasm,Breast Tumor,Cancer, Breast,Cancer, Mammary,Cancers, Mammary,Carcinoma, Breast,Carcinoma, Human Mammary,Carcinomas, Breast,Carcinomas, Human Mammary,Human Mammary Carcinomas,Human Mammary Neoplasm,Human Mammary Neoplasms,Mammary Cancers,Mammary Carcinomas, Human,Neoplasm, Breast,Neoplasm, Human Mammary,Neoplasms, Human Mammary,Tumor, Breast
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D015412 Mastectomy, Segmental Removal of only enough breast tissue to ensure that the margins of the resected surgical specimen are free of tumor. Breast-Conserving Surgery,Lumpectomy,Partial Mastectomy,Breast Conservation Therapy,Breast Quadrantectomy,Breast-Sparing Surgery,Limited Resection Mastectomy,Local Excision Mastectomy,Segmentectomy,Surgery, Breast-Conserving,Breast Conservation Therapies,Breast Conserving Surgery,Breast Quadrantectomies,Breast Sparing Surgery,Breast-Conserving Surgeries,Breast-Sparing Surgeries,Conservation Therapies, Breast,Conservation Therapy, Breast,Limited Resection Mastectomies,Local Excision Mastectomies,Lumpectomies,Mastectomies, Limited Resection,Mastectomies, Local Excision,Mastectomies, Partial,Mastectomies, Segmental,Mastectomy, Limited Resection,Mastectomy, Local Excision,Mastectomy, Partial,Partial Mastectomies,Quadrantectomies, Breast,Quadrantectomy, Breast,Segmental Mastectomies,Segmental Mastectomy,Segmentectomies,Surgeries, Breast-Conserving,Surgeries, Breast-Sparing,Surgery, Breast Conserving,Surgery, Breast-Sparing
D020360 Neoadjuvant Therapy Preliminary cancer therapy (chemotherapy, radiation therapy, hormone/endocrine therapy, IMMUNOTHERAPY, HYPERTHERMIA, INDUCED etc.) that is given before the main therapy. Neoadjuvant Chemoradiation,Neoadjuvant Chemoradiation Therapy,Neoadjuvant Chemoradiation Treatment,Neoadjuvant Chemoradiotherapy,Neoadjuvant Chemotherapy,Neoadjuvant Chemotherapy Treatment,Neoadjuvant Radiation,Neoadjuvant Radiation Therapy,Neoadjuvant Radiation Treatment,Neoadjuvant Radiotherapy,Neoadjuvant Systemic Therapy,Neoadjuvant Systemic Treatment,Neoadjuvant Treatment,Chemoradiation Therapy, Neoadjuvant,Chemoradiation Treatment, Neoadjuvant,Chemoradiation, Neoadjuvant,Chemoradiotherapy, Neoadjuvant,Chemotherapy Treatment, Neoadjuvant,Chemotherapy, Neoadjuvant,Neoadjuvant Chemoradiation Therapies,Neoadjuvant Chemoradiation Treatments,Neoadjuvant Chemoradiations,Neoadjuvant Chemoradiotherapies,Neoadjuvant Chemotherapies,Neoadjuvant Chemotherapy Treatments,Neoadjuvant Radiation Therapies,Neoadjuvant Radiation Treatments,Neoadjuvant Radiations,Neoadjuvant Radiotherapies,Neoadjuvant Systemic Therapies,Neoadjuvant Systemic Treatments,Neoadjuvant Therapies,Neoadjuvant Treatments,Radiation Therapy, Neoadjuvant,Radiation Treatment, Neoadjuvant,Radiation, Neoadjuvant,Radiotherapy, Neoadjuvant,Systemic Therapy, Neoadjuvant,Systemic Treatment, Neoadjuvant,Therapy, Neoadjuvant,Therapy, Neoadjuvant Chemoradiation,Therapy, Neoadjuvant Radiation,Therapy, Neoadjuvant Systemic,Treatment, Neoadjuvant,Treatment, Neoadjuvant Chemoradiation,Treatment, Neoadjuvant Chemotherapy,Treatment, Neoadjuvant Radiation,Treatment, Neoadjuvant Systemic

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