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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Inc
    The @breast journal 10 (2004), S. 0 
    ISSN: 1524-4741
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract:  The immunohistochemical detection of epithelially derived cells in the bone marrow of patients with primary breast cancer has been shown to be associated with increased risk of distant relapse as well as higher rates of cancer-related death. Despite the correlation between bone marrow micrometastases and poor outcome in breast cancer patients, bone marrow status does not yet have an established role in patient management. In this prospective study, adjuvant therapy recommendations for 43 patients with stage I, II, or III breast cancer treated with lumpectomy or mastectomy, sentinel lymph node biopsy and/or axillary dissection, and intraoperative bone marrow aspiration were recorded. Recommendations were made by a multidisciplinary tumor board both blinded and unblinded to the results of the bone marrow aspiration. In our study, 10 of the 43 breast cancer patients were found to have bone marrow micrometastases. Four of these patients (40%) had axillary lymph node metastases. When blinded to the results of the bone marrow aspiration, the tumor board recommended adjuvant chemotherapy for these four node-positive patients, as well as two node-negative patients. When unblinded to the results of the bone marrow aspiration, the tumor board did not change its recommendations for any of these six patients. The remaining four node-negative, bone marrow-positive patients were not advised to have adjuvant chemotherapy by the tumor board when blinded to bone marrow status. However, once the tumor board was informed of the presence of bone marrow micrometastases, adjuvant chemotherapy was recommended for all of these patients. The results of this pilot study indicate that the presence of bone marrow micrometastases in breast cancer patients with stage I, II, or III disease does influence recommendations for adjuvant chemotherapy, particularly in patients with node-negative disease.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1546-170X
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] Viruses have long been suggested to be involved in the etiology of multiple sclerosis (MS)1. This suggestion is based on (1) epidemiological evidence of childhood exposure to infectious agents and increase in disease exacerbations with viral infection1,2; (2) geographic association of disease ...
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1534-4681
    Keywords: Breast cancer ; Conservative therapy ; Axillary drain ; Lymphadenectomy ; Seroma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: The routine use of drainage after axillary node dissection in patients undergoing breast-conserving therapy (BCT) is being questioned. To determine the value of routine drainage, we evaluated the postoperative course of patients with primary breast carcinoma who underwent axillary dissection with or without axillary drainage. Methods: A retrospective review of 69 patients prompted a prospective randomized trial of 46 patients undergoing BCT at our tertiary cancer center. Variables studied were age, treatment (drain or no drain), number and tumor status of excised lymph nodes, size of primary tumor, duration of drainage or aspiration, number and volume of aspirations, number of office visits, incidence of complications and degree of pain, change in arm or forearm circumference, and body mass index (BMI). Data from prospective and retrospective studies were pooled for analysis. Results: Of 115 patients, 72 were treated with a drain (Drain group) and 43 were not (No-drain group). Overall there was no difference in the number or tumor status of excised nodes, the size of the primary tumor, or the incidence of complications between the two groups. Aspiration was required in 50% of the No-drain patients and 8.3% of the Drain patients. The incidence of drain placement or replacement postoperatively was 9.3% for the No-drain patients and 4.2% for the Drain patients. The No-drain patients had more office visits (5.1±0.4 vs. 3.6±0.1;P=.0002) and a longer interval between operation and last aspiration or drain removal (16.2±1.4 days vs. 11.3±0.6 days;P=.0040). Findings were similar in the subgroup of 46 prospectively studied patients, who included 24 Drain patients and 22 No-drain patients. In this group, pain evaluation using a scale of 0 to 10 showed a mean rating of 4.2±2.6 in Drain patients and 2.7±0.4 in No-drain patients (P=.0062). Conclusions: Axillary node dissection can be managed with or without a drain. More office visits but less pain can be expected if a drain is not used.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1534-4681
    Keywords: Breast cancer ; Sentinel node ; Elderly
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Routine axillary lymph node dissection (ALND) for elderly women with invasive breast cancer has been questioned because it rarely alters therapy yet carries a significant morbidity rate. Sentinel lymphadenectomy (SLND) improves axillary staging and alters therapy in women with T1 breast cancer, but it is not clear whether SLND alters therapy in elderly women with breast cancer. Methods: A prospective breast cancer data base was used to identify women 70 years old and older who underwent SLND for axillary staging of invasive breast cancer between 1991 and 1998. Results: There were 75 invasive breast cancers in 73 women. The mean patient age was 74.5 years (range, 70–90 years). Median tumor size was 1.4 cm (range, 0.1– 6.2 cm). Of the 75 tumors, 42 (56%) had favorable primary characteristics; the remaining tumors had unfavorable characteristics. SLND was performed alone in 17 cases (23%) and was followed by completion ALND in 58 cases (77%). Positive lymph nodes were identified in 32 cases (43%); 26 (81.3%) were detected by hematoxylin and eosin stains, and 6 (18.7%) were detected by immunohistochemistry alone. Five patients (6.9%) received adjuvant chemotherapy. Seven patients (9.6%) received axillary/supraclavicular radiation for positive nodes. Ten (13.7%) of 73 patients had obvious alterations in therapy because of axillary nodal status. As a result of SLND, 3 (13.6%) of 22 patients with tumors 1.0 cm or smaller received tamoxifen, and 7 (15%) of 46 patients with tumors between 1.0 and 3.0 cm in size had changes in therapy. When patient and tumor characteristics were analyzed to determine relationships to therapeutic decision-making, nodal status was the variable most significantly associated with changes in therapy (P 5 .0001). Conclusions: SLND improves axillary staging in elderly women with invasive breast cancer. Results of immunohistochemistry do not alter therapy in this group of individuals (P 5 .6367). In patients with small primary tumors, SLND alters therapy by increasing the number of patients receiving tamoxifen. In addition, SLND affects adjuvant systemic chemotherapy and regional radiotherapy in a significant number of patients with larger tumors, particularly tumors between 1.0 and 3.0 cm.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1534-4681
    Keywords: Breast carcinoma ; Sentinel node ; Axillary lymphadenectomy ; Immunohistochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Sentinel lymphadenectomy is highly accurate for identifying axillary metastasis from a primary breast carcinoma. Nonsentinel axillary lymph nodes (NSNs) are unlikely to contain tumor cells if the axillary sentinel node (SN) is tumor free. We previously showed that the size of the primary tumor and the size of its SN metastasis predict the risk of NSN tumor involvement detected by hematoxylin and eosin staining. This study used immunohistochemical staining (IHC) to determine the likelihood of NSN axillary metastasis in the presence of SN metastasis. Methods: Between 1991 and 1997, axillary lymphadenectomy was performed in 156 women (157 axillary basins) who had primary breast carcinoma with SN metastasis. By hematoxylin and eosin staining, we identified NSN metastasis in 55 axillae (35%). IHC was then used to re-examine all NSNs (1827 lymph nodes) from the remaining 102 axillae. The incidence of IHC-detected NSN involvement was analyzed with respect to clinical and tumor characteristics. Results: By using IHC, we identified NSN metastasis in 15 (14.7%) of the 102 axillae. By multivariate analysis, the size of the SN metastasis (P = .0001) and the size of the primary tumor (P = .038) were the only independent variables predicting NSN metastasis determined by using either hematoxylin and eosin staining or IHC. Only the number of SN metastases (1 vs. 〉1) was a significant (P = .04) predictor of IHC-detected NSN metastasis. Conclusions: Use of IHC increases the likelihood of detection of NSN metastasis, and the risk of IHC-detected metastasis increases with the size of the SN metastasis and the size of the primary tumor. If SN involvement is micrometastatic (≤2 mm) or detected by using IHC, tumor cells are unlikely to be found in other axillary lymph nodes in patients with a small primary tumor. The clinical significance of micrometastatic disease in lymph nodes is controversial, and a prospective randomized study is necessary to resolve this important issue.
    Type of Medium: Electronic Resource
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