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1.
Oncologist ; 21(5): 571-5, 2016 05.
Artigo em Inglês | MEDLINE | ID: mdl-27009935

RESUMO

BACKGROUND: Breast cancer incidence is rising in low- and middle-income countries. Understanding the distribution of breast disease seen in clinical practice in such settings can guide early detection efforts and clinical algorithms, as well as support future monitoring of cancer detection rates and stage. PATIENTS AND METHODS: We conducted a retrospective medical record review of 353 patients who presented to Butaro Cancer Center of Excellence in Rwanda with an undiagnosed breast concern during the first 18 months of the cancer program. RESULTS: Eighty-two percent of patients presented with a breast mass. Of these, 55% were diagnosed with breast cancer and 36% were diagnosed with benign disease. Cancer rates were highest among women 50 years and older. Among all patients diagnosed with breast cancer, 20% had stage I or II disease at diagnosis, 46% had locally advanced (stage III) disease, and 31% had metastatic disease. CONCLUSION: After the launch of Rwanda's first public cancer referral center and breast clinic, cancer detection rates were high among patients presenting with an undiagnosed breast concern. These findings will provide initial data to allow monitoring of changes in the distribution of benign and malignant disease and of cancer stage as cancer awareness and services expand nationally. IMPLICATIONS FOR PRACTICE: The numbers of cases and deaths from breast cancer are rising in low-income countries. In many of these settings, health care systems to address breast problems and efficiently refer patients with symptoms concerning for cancer are rudimentary. Understanding the distribution of breast disease seen in such settings can guide early detection efforts and clinical algorithms. This study describes the characteristics of patients who came with a breast concern to Rwanda's first public cancer referral center during its first 18 months. More than half of patients with a breast mass were diagnosed with cancer; most had late-stage disease. Monitoring changes in the types of breast disease and cancer stages seen in Rwanda will be critical as breast cancer awareness and services grow.


Assuntos
Neoplasias da Mama/epidemiologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Neoplasias da Mama/diagnóstico , Neoplasias da Mama/terapia , Feminino , Humanos , Pessoa de Meia-Idade , Encaminhamento e Consulta , Estudos Retrospectivos , Ruanda/epidemiologia
2.
Immunotherapy ; 4(9): 947-56, 2012 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-23046238

RESUMO

Thalassemia is an autosomal recessive disorder associated with defective synthesis of the α- or ß-chain of hemoglobin. For ß-thalassemia major patients, therapeutic options are either monthly red cell transfusions and chelation therapy or allogeneic stem cell transplant. Patients undergoing transfusion therapy remain at risk for transmitted infections and iron overload with associated tissue damage. Stem cell transplant is the only curative approach and success is inversely correlated with the degree of iron overload and hepatic damage. Overall outcomes following stem cell transplant with a matched sibling donor are excellent with over 90% of low-risk children becoming transfusion free. Hypertransfusion therapy and aggressive chelation in addition to hydroxyurea, azathioprine and fludarabine is a new approach for high-risk patients to decrease graft rejection by suppressing endogenous erythropoiesis pretransplant. The use of unrelated donors and novel approaches such as gene therapy are under current investigation.


Assuntos
Transplante de Células-Tronco Hematopoéticas , Talassemia/terapia , Transfusão de Sangue , Desferroxamina/uso terapêutico , Doença Enxerto-Hospedeiro/etiologia , Transplante de Células-Tronco Hematopoéticas/efeitos adversos , Humanos , Condicionamento Pré-Transplante
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