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Hematology Reports is published by MDPI from Volume 14 Issue 1 (2022). Previous articles were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence, and they are hosted by MDPI on mdpi.com as a courtesy and upon agreement with PAGEPress.

Hematol. Rep., Volume 6, Issue 4 (November 2014) – 5 articles

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3 pages, 615 KiB  
Case Report
Enteropathy-Associated T Cell Lymphoma as a Complication of Silent Celiac Disease
by Margarida Dantas Brito, Ângelo Martins, Rui Henrique and José Mariz
Hematol. Rep. 2014, 6(4), 5612; https://doi.org/10.4081/hr.2014.5612 - 9 Dec 2014
Cited by 3 | Viewed by 323
Abstract
Celiac disease is an autoimmune disorder in which a genetic predisposition and the ingestion of wheat gluten triggers a deleterious immune response. This response is complex and may lead to manifestations other than enteropathyha: hepatitis, dermatitis and neuropathy. There is higher risk for [...] Read more.
Celiac disease is an autoimmune disorder in which a genetic predisposition and the ingestion of wheat gluten triggers a deleterious immune response. This response is complex and may lead to manifestations other than enteropathyha: hepatitis, dermatitis and neuropathy. There is higher risk for neoplasia. We observed an atypical case, corresponding to a 69-year old female presenting with complicated celiac disease. The patient was referred following the histological examination of an enterectomy specimen, which unexpectedly revealed an enteropathy-associated T cell lymphoma in a background of celiac disease. Patient’s previous medical history comprised several abdominal surgical procedures, without other prior symptoms suggestive of celiac disease. Indeed, the patient was obese and no signs of malabsortion were apparent. This case draws our attention to clinically silent celiac disease, which represents a diagnostic challenge. Thus, this should be kept in mind whenever a patient presents with abdominal relapsing complications, otherwise unexplained. Full article
2 pages, 534 KiB  
Brief Report
The Prevalence of Transfusion Transmitted Infections in ABO Blood Groups and Rh Type System
by Jitendra Singh Nigam, Savitri Singh, Viplesh Kaur, Sumit Giri and Ravi Prakash Kaushal
Hematol. Rep. 2014, 6(4), 5602; https://doi.org/10.4081/hr.2014.5602 - 4 Dec 2014
Cited by 14 | Viewed by 530
Abstract
Screening of blood and blood products is important to reduce the risk of transfusion transmitted infections (TTIs). The transfusion of unscreened or inadequately screened blood and blood products are the major source of TTIs. The aim of this paper is to find out [...] Read more.
Screening of blood and blood products is important to reduce the risk of transfusion transmitted infections (TTIs). The transfusion of unscreened or inadequately screened blood and blood products are the major source of TTIs. The aim of this paper is to find out the prevalence of TTIs in ABO blood groups and Rh type system. A total of 4128 blood donors were screened from January 2010 to April 2014. Serological tests were performed for hepatitis B surface antigen (HBsAg), anti hepatitis C virus (Anti-HCV), anti HIV-1 and 2, venereal disease research laboratory test (VDRL) and malaria parasite (MP) antigen. In seroreactive donors, HBsAg, Anti-HCV, VDRL, MP antigen and anti HIV were positive in 40 cases, 26 cases, 19 cases, 6 cases and 2 cases, respectively. Highest percentage of HBsAg, Anti HCV, VDRL, MP antigen and anti HIV was observed in blood group A negative (2/50), O negative (1/66), B negative (1/91), AB positive (2/377) blood group respectively. In the present study, the total number of Rh-negative donors is lower when compared to Rh-positive blood donors, but Rh-negative blood donors show higher percentages of seroreactivity for TTIs. Larger scale studies at molecular level are required to improve the knowledge of this aspect. Full article
2 pages, 526 KiB  
Case Report
Successful Treatment of Severe Anemia Using Erythropoietin in a Jehovah Witness with Non-Hodgkin Lymphoma
by Alexandra Agapidou, Sophia Vakalopoulou, Theodosia Papadopoulou, Cristina Chadjiaggelidou and Vasileia Garypidou
Hematol. Rep. 2014, 6(4), 5600; https://doi.org/10.4081/hr.2014.5600 - 4 Dec 2014
Cited by 6 | Viewed by 339
Abstract
Blood transfusion many times works in a life-saving way when a patient is facing a critical situation. However, some patients, such as Jehovah’s Witnesses, may refuse their administration because it opposes to their religion beliefs. Thus, clinicians are forced to respect patients’ preferences [...] Read more.
Blood transfusion many times works in a life-saving way when a patient is facing a critical situation. However, some patients, such as Jehovah’s Witnesses, may refuse their administration because it opposes to their religion beliefs. Thus, clinicians are forced to respect patients’ preferences and seek other treatments in order to overcome the obstacle of the transfusion. In 1989, recombinant human erythropoietin (rHuEPO) was approved by the United States Food and Drug Administration (FDA) for the treatment of anemia associated with chronic renal failure. This is an amino acid glycol-protein that stimulates red blood cell production in the same manner as endogenous erythropoietin. Other treatment indications approved by the FDA include anemia due to chronic kidney disease, anemia secondary to zidovudine therapy in patients with human immunodeficiency virus infection, and anemia secondary to cancer chemotherapy. The drug also has been used for many off-label indications. Many Jehovah’s Witnesses have accepted rHuEPO as a treatment option to maintain and enhance erythropoiesis. This paper reports the case of a 57-year-old Jehovah’s Witness man, who was diagnosed with severe anemia due to aggressive non Hodgkin lymphoma and refused transfusion of blood; thanks to the treatment with rHuEPO he has managed to complete chemotherapy and has survived a life threatening situation. Full article
5 pages, 604 KiB  
Article
Exertional Sickling: Questions and Controversy
by Morey A. Blinder and Sarah Russel
Hematol. Rep. 2014, 6(4), 5502; https://doi.org/10.4081/hr.2014.5502 - 3 Dec 2014
Cited by 11 | Viewed by 495
Abstract
Sickle cell trait (SCT) occurs in about 8% of African-Americans and is often described to be of little clinical consequence. Over time, a number of risks have emerged, and among these are rare but catastrophic episodes of sudden death in athletes and other [...] Read more.
Sickle cell trait (SCT) occurs in about 8% of African-Americans and is often described to be of little clinical consequence. Over time, a number of risks have emerged, and among these are rare but catastrophic episodes of sudden death in athletes and other individuals associated with physical activities which is often described as exercise collapse associated with sickle trait (ECAST). Despite an epidemiologic link between SCT and sudden death as well as numerous case reports in both medical literature and lay press, no clear understanding of the key pathophysiologic events has been identified. Strategies for identification of individuals at risk and prevention of ECAST have been both elusive and controversial. Stakeholders have advocated for different approaches to this issue particularly with regard to screening for hemoglobin S. Furthermore, the recommendations and guidelines that are in place for the early recognition of ECAST and the prevention and treatment of the illness are not well defined and remain fragmented. Among the cases identified, those in collegiate football players in the United States are often highlighted. This manuscript examines these case studies and the current recommendations to identify areas of consensus and controversy regarding recommendations for prevention, recognition and treatment of ECAST. Full article
3 pages, 540 KiB  
Case Report
Late Differentiation Syndrome in Acute Promyelocytic Leukemia: A Challenging Diagnosis
by Renata Cabral, Juan Carlos Caballero, Sara Alonso, Julio Dávila, Monica Cabrero, Dolores Caballero, Lourdes Vásquez, Fermin Sánchez-Guijo, Lucia López, Maria C. Cañizo, Maria V. Mateos and Marcos González
Hematol. Rep. 2014, 6(4), 5654; https://doi.org/10.4081/hr.2014.5654 - 19 Nov 2014
Cited by 3 | Viewed by 322
Abstract
Detailed knowledge about differentiation syndrome (DS) has remained limited. There are 2 large studies conducted by the Spanish workgroup PETHEMA (Programa Español de Tratamientos en Hematología; Spanish Program on Hematology Treatments) and the European group trial (LPA 96-99 and APL 93) in which [...] Read more.
Detailed knowledge about differentiation syndrome (DS) has remained limited. There are 2 large studies conducted by the Spanish workgroup PETHEMA (Programa Español de Tratamientos en Hematología; Spanish Program on Hematology Treatments) and the European group trial (LPA 96-99 and APL 93) in which the incidence, characteristics, prognostic factors and outcome of patients developing DS are evaluated. Both have described the median time of DS development between 10 and 12 days. The severity of the DS has been evaluated in the study conducted by PETHEMA, and severe DS usually occurs at the beginning of the treatment (median of 6 days), as compared with moderate DS (median of 15 days). We report here in two cases of late severe DS, with late diagnosis due to both time and form of presentation. We discuss the physiopathology, clinical presentation, prophylaxis and treatment of DS. Full article
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