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  • Title: [Risk factors for lymphedema of the arm after mastectomy for breast cancer].
    Author: Kasse AA, Diop M, Dieng M, Deme A, Ndaw D, Fall MG, Diop PS, Betel E, Dembele B, Drabo B, Timbely G, Toure P.
    Journal: Dakar Med; 1999; 44(1):32-5. PubMed ID: 10797983.
    Abstract:
    Postmastectomy lymphedema of the arm is frequently associated to different factors including axillary node involvement and local and regional treatment of breast cancer. Our aims was to identify risk factors of postmastectomy lymphedema. From a retrospective analysis of 735 breast cancers treated in our institute, we found 61 lymphedema of the arm. We then describe our study population and identify by univariate et multivariate analysis the factors significantly associated to the disease. The majority of the patients were young black African female found to have locally advanced breast cancers (88% of T3 et T4 UICC 1988), inflammatory diseases (46% of PEV 2 and 3 of Gustave ROUSSY Institute classification of inflammatory breast cancers). Ulceration is found in half of the patients, metastasis in 20%. The patients first underwent chemotherapy mainly with cyclophosphamide alone (56%). Only 59 patients (8%) had preoperative radiation. Surgery consisted mainly in modified radical mastectomy and lymph node dissection (95%). Residual disease is left in 50% of the cases. Only 35% had post-operative chemotherapy and 9% postoperative external beam radiation therapy. From that population, during the follow up, 61 patients were found to have postmastectomy lymphedema. The disease was asymptomatic in 60% of the cases and painful in 26%. 30% of all the patients spontaneously partially regressed. From univariate analysis we found 7 factors associated with lymphedema: The big size of the tumor (p = 0.005), clinically involved axillary lymph nodes (p = 0.001), metastatic disease (p = 0.0046), traditional or inadequate surgery out of the Institute (p = 0.001), lack of post-operative chemotherapy (p = 0.002), postoperative external beam radiations (p = 0.005), relapse (p = 0.002). From logistic regression analysis three independent factors were found: clinically involved axillary lymph nodes (p = 0.0267), metastasis (p = 0.0002) and local or regional relapse (p = 0.0405). In our practice we found that advanced disease, treated by traditional healers or surgery nurses who had relapsed after mastectomy and external beam radiations without chemotherapy have higher risks of lymphedema.
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