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https://www.readbyqxmd.com/read/29353154/cd41-immune-staining-of-micromegakaryocytes-improves-the-diagnosis-of-myelodysplastic-syndrome-and-differentiation-from-pancytopenia
#1
Jinjin Huang, Zhiqiong Wang, Lifang Huang, Miao Zheng
A morphometric analysis was performed on aspirated clots of bone marrow to identify the presence of micromegakaryocytes after immune staining with a monoclonal antibody raised against CD41. Quantitative and qualitative abnormalities of micromegakaryocytes were assessed based on both standard staining and CD41 immune staining. Micromegakaryocytes were largely detected in bone marrow from patients with myelodysplastic syndrome (MDS), while almost no micromegakaryocytes were present in aplastic anemia. CD41 immune staining clearly improved the efficiency of micromegakaryocyte detection under any conditions, showing strong potential as a tool for the auxiliary diagnosis of MDS and differentiation of MDS from pancytopenia, particularly aplastic anemia(AA)...
October 18, 2017: Leukemia Research
https://www.readbyqxmd.com/read/29350173/membranoproliferative-glomerulonephritis-and-interstitial-nephritis-in-the-setting-of-epstein-barr-virus-related-hemophagocytic-syndrome%C3%A2
#2
Iolanda Godinho, Estela Nogueira, Sofia Jorge, António Teixeira Alves, António Gomes da Costa
BACKGROUND: Hemophagocytic syndrome (HPS) is a rare, aggressive disorder characterized by dysregulation of lymphocyte and macrophage activity, which culminates in tissue infiltration with hemophagocytosis and ultimately organ failure. Renal involvement frequently ensues and usually results in acute tubular necrosis with associated interstitial inflammation. Less frequently, glomerulopathy can also be found. CASE: We report a case of a 24-year-old Caucasian woman with previous asymptomatic hematuria, mild proteinuria, and normal renal function who presented to us with fever...
January 19, 2018: Clinical Nephrology
https://www.readbyqxmd.com/read/29348388/disseminated-histoplasmosis-in-an-indonesian-hiv-positive-patient-a-case-diagnosed-by-fine-needle-aspiration-cytology
#3
Nungki Anggorowati, Rita C Sulistyaningsih, Ahmad Ghozali, Yanri W Subronto
A 30-year-old Javanese-Indonesian man was admitted with complaints of 3 months persistent fever, weight loss, and fatigue. He had never known his past history of unprotected HIV until the admission. His only risk factor is unsafe sex. The patient seemed well nourished. Physical examination revealed blood pressure 100/60 mmHg, pulse 100 beats per minute, respiratory rate 20 times per minute, and temperature 38.8°C. Multiple cervical and inguinal lymphadenopathies were also found. Electrocardiogram showed anterolateral ischemic finding, whereas chest X-ray were normal...
October 2017: Acta Medica Indonesiana
https://www.readbyqxmd.com/read/29344912/capillary-leak-syndrome-as-a-complication-of-antibody-mediated-rejection-treatment-a-case-report
#4
Juan C Ramirez-Sandoval, Ricardo Varela-Jimenez, Luis E Morales-Buenrostro
We report a case of capillary leak that developed during treatment of antibody-mediated rejection in a kidney transplant recipient. A 53-year-old female transplant recipient experienced an increase in serum creatinine from 1.1 to 1.8 mg/dL. Antibody-mediated rejection was diagnosed by graft biopsy. She was treated with five plasmapheresis sessions (on alternate days with albumin replacement), five doses of immunoglobulin (5 g/dose at 100 mg/kg), a single dose of rituximab (500 mg), and four doses of bortezomib on days 1, 4, 7, and 10 (1...
January 17, 2018: CEN Case Reports
https://www.readbyqxmd.com/read/29344089/bone-marrow-failure-may-be-caused-by-chromosome-anomalies-exerting-effects-on-runx1t1-gene
#5
R Valli, L Vinti, A Frattini, M Fabbri, G Montalbano, C Olivieri, A Minelli, F Locatelli, F Pasquali, E Maserati
Background: The majority of the cases of bone marrow failure syndromes/aplastic anaemias (BMFS/AA) are non-hereditary and considered idiopathic (80-85%). The peripheral blood picture is variable, with anaemia, neutropenia and/or thrombocytopenia, and the patients with idiopathic BMFS/AA may have a risk of transformation into a myelodysplastic syndrome (MDS) and/or an acute myeloid leukaemia (AML), as ascertained for all inherited BMFS. We already reported four patients with different forms of BMFS/AA with chromosome anomalies as primary etiologic event: the chromosome changes exerted an effect on specific genes, namely RUNX1, MPL, and FLI1, leading to the disease...
2018: Molecular Cytogenetics
https://www.readbyqxmd.com/read/29340761/long-term-efficacy-and-toxicity-of-rituximab-plus-fludarabine-and-mitoxantrone-r-fm-for-gastric-marginal-zone-lymphoma-a-single-center-experience-and-literature-review
#6
Emanuele Cencini, Alberto Fabbri, Francesco Lauria, Monica Bocchia
There is no consensus about the best treatment option for patients with HP-negative gastric MALT lymphomas or persistent disease after HP eradication.We have investigated fludarabine and mitoxantrone with rituximab (R-FM) as first-line treatment. A cohort of 13 patients was analyzed. Induction treatment consisted of fludarabine (25 mg/m2 i.v. on days 2 to 4), mitoxantrone (10 mg/m2 i.v. on day 2), and rituximab (375 mg/m2 i.v. on day 1), for up to six cycles every 28 days. All patients achieved a complete remission, a median of four cycles was given...
January 16, 2018: Annals of Hematology
https://www.readbyqxmd.com/read/29340257/symmetrical-drug-related-intertriginous-and-flexural-exanthema-induced-by-doxycycline
#7
David G Li, Cristina Thomas, Gil S Weintraub, Arash Mostaghimi
Symmetrical drug-related intertriginous and flexural exanthema (SDRIFE) is a cutaneous drug reaction characterized by erythema over the buttocks, thighs, groin, and flexural regions most commonly associated with the use of beta-lactam antibiotics. Although the exact pathophysiology of this disease remains unknown, it is theorized to be the result of a delayed hypersensitivity response presenting as a cutaneous eruption days to weeks after exposure to the drug. The treatment involves discontinuation of the suspected medication, symptomatic control of pruritus, and topical steroid therapy...
November 10, 2017: Curēus
https://www.readbyqxmd.com/read/29330964/spectrum-of-bone-marrow-pathology-and-hematological-abnormalities-in-methylmalonic-acidemia
#8
Nasir A Bakshi, Talal Al-Anzi, Said Y Mohamed, Zuhair Rahbeeni, Moeen AlSayed, Mohammed Al-Owain, Raashda A Sulaiman
Patients with isolated methylmalonic acidemia (MMA) may present with a wide range of hematological complications including anemia, leukopenia, thrombocytopenia, and pancytopenia. However, there are very limited data on the development of hemophagocytosis or myelodysplasia in these patients. We report three patients with isolated MUT related MMA who presented with severe refractory pancytopenia during acute illness. Their bone marrow examination revealed a wide spectrum of pathology varying from bone marrow hypoplasia, hemophagocytosis to myelodysplasia with ring sideroblasts...
January 13, 2018: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29330757/-myelodysplastic-syndrome-acute-leukemia-and-stem-cell-transplantation
#9
REVIEW
M Schmalzing, M Aringer, M Bornhäuser, J Atta
Myelodysplastic syndromes (MDS) represent a heterogeneous group of clonal hematopoietic stem cell disorders. They are characterized by inefficient hematopoiesis leading to peripheral cytopenia of one or more lineages and a variable risk of transformation into acute myeloid leukemia. They may either arise de novo as well as following exposition to environmental toxins, previous radiotherapy or chemotherapy or in the context of autoinflammatory diseases and related therapy. Characteristic cytogenetic abnormalities, along with the numbers of hematopoietic lineages affected and bone marrow blasts, enable an assessment of the risk of leukemic transformation...
October 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/29329166/hematologic-manifestations-of-brucellosis-in-children
#10
Naphtali Justman, Yariv Fruchtman, David Greenberg, Ben-Shimol Shalom
BACKGROUND: Brucellosis is a common zoonosis in the Bedouin population of southern Israel. Limited data exist for the rate and risk factors of hematologic complication of brucellosis in children. We assessed anemia, leukopenia, thrombocytopenia and pancytopenia in childhood brucellosis in southern Israel. METHODS: Our medical center is the sole hospital in southern-Israel. All medical files of brucellosis, 2005-2014, identified through positive blood cultures or International Classification of Diseases 9 revision (ICD9) coding with positive serology, were reviewed retrospectively...
January 11, 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29324572/epstein-barr-virus-ebv-induced-b-cell-lymphoproliferative-disorder-mimicking-the-recurrence-of-ebv-associated-hemophagocytic-lymphohistiocytosis
#11
Yuki Yatsushiro, Takuro Nishikawa, Aki Saito, Yozo Nakazawa, Ken-Ichi Imadome, Shunsuke Nakagawa, Yuichi Kodama, Yasuhiro Okamoto, Hirokazu Kanegane, Yoshifumi Kawano
We describe the case of a 23-month-old male infant with Epstein-Barr virus (EBV)-associated lymphoproliferative disorder, which mimicked the recurrence of EBV-associated hemophagocytic lymphohistiocytosis. Chemotherapy with dexamethasone, etoposide, and cyclosporine resolved fever, hepatosplenomegaly, and pancytopenia. However, on day 81 of illness, the patient developed similar symptoms. Plasma EBV-DNA levels markedly increased again, but no T-cell clonality was observed. B cells were identified to be infected with EBV...
January 10, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29323266/aif-loss-deregulates-hematopoiesis-and-reveals-different-adaptive-metabolic-responses-in-bone-marrow-cells-and-thymocytes
#12
Lauriane Cabon, Audrey Bertaux, Marie-Noëlle Brunelle-Navas, Ivan Nemazanyy, Laurianne Scourzic, Laure Delavallée, Laura Vela, Mathieu Baritaud, Sandrine Bouchet, Cécile Lopez, Vu Quang Van, Kevin Garbin, Danielle Chateau, Françoise Gilard, Marika Sarfati, Thomas Mercher, Olivier A Bernard, Santos A Susin
Mitochondrial metabolism is a tightly regulated process that plays a central role throughout the lifespan of hematopoietic cells. Herein, we analyze the consequences of the mitochondrial oxidative phosphorylation (OXPHOS)/metabolism disorder associated with the cell-specific hematopoietic ablation of apoptosis-inducing factor (AIF). AIF-null (AIF-/Y ) mice developed pancytopenia that was associated with hypocellular bone marrow (BM) and thymus atrophy. Although myeloid cells were relatively spared, the B-cell and erythroid lineages were altered with increased frequencies of precursor B cells, pro-erythroblasts I, and basophilic erythroblasts II...
January 11, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29306310/-delayed-pancytopenia-due-to-treatment-with-levofloxacin-a-case-report
#13
Diana González-Vaquero, Juan Enrique Juan Enrique Martínez-de la Plata, Alba Martos-Rosa, Pedro José Acosta-Robles, José Antonio Morales-Molina
No abstract text is available yet for this article.
January 1, 2018: Farmacia Hospitalaria
https://www.readbyqxmd.com/read/29302933/assessing-the-effect-of-piperacillin-tazobactam-on-hematological-parameters-in-patients-admitted-with-moderate-or-severe-foot-infections
#14
Will Fry, Sean McCafferty, Catherine Gooday, Ian Nunney, Ketan K Dhatariya
INTRODUCTION: Piperacillin/tazobactam is a commonly used antibiotic for the empirical treatment of severe diabetic foot infections. One of the most feared complications of this drug is the development of pancytopenia. The aim of this study was to determine whether the use of piperacillin/tazobactam caused any hematological changes in patients admitted with severe diabetes-related foot infections from a specialist multidisciplinary foot clinic. Specifically, looking at whether it caused anemia, leukopenia, neutropenia, or thrombocytopenia...
January 4, 2018: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://www.readbyqxmd.com/read/29296828/gene-editing-rescue-of-a-novel-mpl-mutant-associated-with-congenital-amegakaryocytic-thrombocytopenia
#15
Cédric Cleyrat, Romain Girard, Eun H Choi, Éric Jeziorski, Thierry Lavabre-Bertrand, Sylvie Hermouet, Serge Carillo, Bridget S Wilson
Thrombopoietin (Tpo) and its receptor (Mpl) are the principal regulators of early and late thrombopoiesis and hematopoietic stem cell maintenance. Mutations in MPL can drastically impair its function and be a contributing factor in multiple hematologic malignancies, including congenital amegakaryocytic thrombocytopenia (CAMT). CAMT is characterized by severe thrombocytopenia at birth, which progresses to bone marrow failure and pancytopenia. Here we report unique familial cases of CAMT that presented with a previously unreported MPL mutation: T814C (W272R) in the background of the activating MPL G117T (K39N or Baltimore) mutation...
September 26, 2017: Blood Advances
https://www.readbyqxmd.com/read/29290359/nutritional-support-contributes-to-recuperation-in-a-rat-model-of-aplastic-anemia-by-enhancing-mitochondrial-function
#16
Guang Yang, Lifen Zhao, Bing Liu, Yujia Shan, Yang Li, Huimin Zhou, Li Jia
OBJECTIVES: Acquired aplastic anemia (AA) is a hematopoietic stem cell disease that leads to hematopoietic disorder and peripheral blood pancytopenia. We investigated whether nutritional support is helpful to AA recovery. METHODS: We established a rat model with AA. A nutrient mixture was administered to rats with AA through different dose gavage once per day for 55 d. Animals in this study were assigned to one of five groups: normal control (NC; group includes normal rats); AA (rats with AA); high dose (AA + nutritional mixture, 2266...
February 2018: Nutrition
https://www.readbyqxmd.com/read/29279551/unilateral-conjunctival-infiltration-of-adult-t-cell-leukemia-lymphoma-case-report-and-literature-review
#17
Joji Shimono, Shigeki Kaino, Kohei Okada, Kazuo Oshimi, Yusuke Ishida, Tatsuro Takahashi, Takuto Miyagishima, Takanori Teshima
Adult T-cell leukemia/lymphoma (ATLL) is a peripheral T-cell lymphoma caused by human T-cell leukemia virus type 1 infection. Although conjunctival lymphoma is commonly reported with B-cell lymphoma, it rarely occurs in cases of ATLL. A 73-year-old Japanese female patient was admitted to our institution with evidence of abnormal lymphocytes, lymphadenopathy, and lung nodular lesions. Acute type ATLL was diagnosed, and therapy following the mLSG15 protocol was initiated. At the end of the second course, new bone lesions were detected...
2017: Journal of Clinical and Experimental Hematopathology: JCEH
https://www.readbyqxmd.com/read/29273895/smear-campaign-misattribution-of-pancytopenia-to-a-tick-borne-illness
#18
Jessica Lee, Soraya Azzawi, Michael J Peluso, Aaron Richterman, Haiyan Ramirez Batlle, Maria A Yialamas
We report the case of a 51-year-old woman presenting with a targetoid rash and pancytopenia after a tick bite. Initial evaluation was notable for severe neutropenia on the complete blood cell count differential, a positive Lyme IgM antibody, and a peripheral blood smear demonstrating atypical lymphocytes. While her pancytopenia was initially attributed to tick-borne illness, peripheral flow cytometry showed 7% myeloblasts, and a bone marrow biopsy confirmed 60% blasts. The patient was ultimately diagnosed with acute myelogenous leukemia, in addition to early, localized Lyme disease...
December 22, 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/29260002/profile-of-extrahepatic-portal-venous-obstruction-among-children-in-central-india
#19
Mayank Jain, Jenisha Jain, Gauri Rao Passi, Kamna Jain, Shikhar Jain
Introduction: There is a paucity of data regarding the clinical profile of children with extrahepatic portal venous obstruction (EHPVO) from Central India. Material and methods: Retrospective analysis of 30 children with EHPVO treated between 2002 and 2012. Results: The median age of presentation was 12.5 years (range 5-14 years) and median duration of symptoms was 3.2 years (range 0.3-10 years). Home delivery was noted in 30 cases (100%), umbilical sepsis in 8 (27%) and history of cow dung application over the umbilical cord in 2 cases (6...
December 2017: Clinical and Experimental Hepatology
https://www.readbyqxmd.com/read/29259862/disseminated-mucormycosis-a-sinister-cause-of-neutropenic-fever-syndrome
#20
Ghazal Tansir, Neha Rastogi, Prashant Ramteke, Prabhat Kumar, Manish Soneja, Ashutosh Biswas, Sanchit Kumar, Pankaj Jorwal, Upendra Baitha
A 15 year old girl presented with complaints of prolonged fever and recurrent episodes of hemoptysis. Initial investigation showed pancytopenia and radiological imaging was suggestive of necrotizing pneumonia. Subsequently, mucor was isolated from bronchoalveolar lavage fluid, but even on appropriate medications her condition kept deteriorating. She had multiple bouts of hemoptysis and a repeat imaging of chest showed dissemination of mucormycosis to pulmonary vein and heart. Bone marrow biopsy identified acute lymphoblastic leukemia (ALL) as the cause of pancytopenia...
November 2017: Intractable & Rare Diseases Research
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