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https://www.readbyqxmd.com/read/28212666/classical-hodgkin-lymphoma-masquerading-as-chronic-recurrent-multifocal-osteomyelitis-a-case-report
#1
Michael Pham, Steven Ressler, Allison Rosenthal, Katalin Kelemen
BACKGROUND: Hodgkin lymphoma is a hematologic malignancy usually confined to lymphatic structures and commonly associated with constitutional symptoms. Bony involvement and musculoskeletal symptoms are uncommon and typically seen in advanced disease. In this case, we report an unusual presentation of classical Hodgkin lymphoma and highlight diagnostic challenges leading to the misdiagnosis and treatment as chronic recurrent multifocal osteomyelitis. CASE PRESENTATION: A 38-year-old white man presented with lower extremity musculoskeletal pain...
February 18, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28212373/poly-adp-ribose-polymerase-1-mrna-levels-strongly-correlate-with-the-prognosis-of-myelodysplastic-syndromes
#2
P Diamantopoulos, K Zervakis, P Zervakis, M Sofotasiou, T Vassilakopoulos, I Kotsianidis, A Symeonidis, V Pappa, A Galanopoulos, E Solomou, E Kodandreopoulou, V Papadopoulou, P Korkolopoulou, M Mantzourani, G Kyriakakis, N-A Viniou
Poly (ADP-ribose) polymerase 1 (PARP-1) has a central role in the repair of DNA breaks and is a promising treatment target in malignancy. We measured PARP1 mRNA levels by a SYBR-green-based PCR in the bone marrow of 74 patients with myelodysplastic syndrome (MDS) and correlated them to their demographic, hematologic and prognostic characteristics. The median PARP1 mRNA levels were correlated to the type of MDS (2008/2016 WHO classification, P=0.005) and to the IPSS score (P=0.002). A correlation was also found with the IPSS-R score (P=0...
February 17, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28210842/uric-acid-as-a-novel-biomarker-for-bone-marrow-function-and-incipient-hematopoietic-reconstitution-after-aplasia-in-patients-with-hematologic-malignancies
#3
Sebastian P Haen, Vicky Eyb, Nora Mirza, Aline Naumann, Andreas Peter, Markus W Löffler, Christoph Faul, Wichard Vogel, Wolfgang A Bethge, Hans-Georg Rammensee, Lothar Kanz, Martin Heni
PURPOSE: Prolonged aplasia and graft failure (GF) represent life-threatening complications after hematopoietic cell transplantation (HCT) requiring suitable biomarkers for early detection and differentiation between GF and poor graft function (PGF). Uric acid (UA) is a strong immunological danger signal. METHODS: Laboratory results were analyzed from patients undergoing either allogeneic or autologous HCT or induction chemotherapy for acute leukemia (n = 50 per group, n = 150 total)...
February 16, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28210839/thrombotic-microangiopathy-caused-by-methionine-synthase-deficiency-diagnosis-and-treatment-pitfalls
#4
Maria Helena Vaisbich, Andressa Braga, Maria Gabrielle, Clarissa Bueno, Flávia Piazzon, Fernando Kok
BACKGROUND: Inborn errors of cobalamin (Cbl) metabolism form a large group of rare diseases. One of these, Cbl deficiency type C (CblC), is a well-known cause of thrombotic microangiopathy (TMA), especially in infants. However, there has only been a single published case of TMA associated to Cbl deficiency type G (CblG), also known as methionine synthase deficiency (MSD). CASE DIAGNOSIS/TREATMENT: A 21-month-old boy presented with pallor and oral ulcers during episodes of upper respiratory infection (URI)...
February 16, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28206683/a-perspective-on-malignancy-in-the-marrow
#5
Michaela R Reagan, Jane Lian, Clifford J Rosen, Gary Stein
Malignancies that grow in the bone marrow cause a cascade of devastating consequences and are almost always fatal. For researchers to make significant headway in finding cures and treatments for these tumors and the subsequent devastation of cancer-induced bone disease, novel strategies and creative solutions will have to be considered. Great progress has been made in treating hematologic and sold tumor malignancies that ultimately affect the bone marrow, although it is also obvious that multi-disciplinary teams are required to ultimately win the war on cancers that affect the bone...
February 16, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28205462/atypical-chronic-myeloid-leukemia-in-a-german-shepherd-dog
#6
Christina L Marino, Jimmy N S N Tran, Tracy Stokol
A 4-y-old neutered male German Shepherd Dog was presented with a 3-d duration of lethargy, restlessness, and vomiting. Physical examination revealed generalized lymphadenopathy, pale mucous membranes, systolic heart murmur, dehydration, and fever. Hematologic abnormalities included moderate-to-marked leukocytosis, characterized by neutrophilia with a left shift to progranulocytes and 2% presumptive myeloid blasts, marked anemia that was nonregenerative, and marked thrombocytopenia. Dysplasia was evident in neutrophils and platelets...
February 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28203345/sweet-s-syndrome-associated-with-clonal-hematopoiesis-of-indeterminate-potential-responsive-to-5-azacitidine
#7
REVIEW
George Yaghmour, Eric Wiedower, Bassam Yaghmour, Sara Nunnery, Eric Duncavage, Mike G Martin
Sweet's syndrome (SS) is a rare condition characterized by the abrupt appearance of painful skin lesions due to neutrophilic dermal infiltration. Hematologic neoplasms, particularly acute myeloid leukemia (AML) and myelodysplastic syndromes (MDSs), have been commonly reported in association with SS. Clonal hematopoiesis of indeterminate potential (CHIP) is an emerging entity that is a precursor state to myeloid neoplasms. CHIP has not been previously associated with SS. We report the case of a 71-year-old man who presented with recurrent, painful edematous and erythematous papules and nodules for 18 months despite treatment with corticosteroids...
February 2017: Therapeutic Advances in Hematology
https://www.readbyqxmd.com/read/28203342/optimizing-current-and-emerging-therapies-in-multiple-myeloma-a-guide-for-the-hematologist
#8
REVIEW
Shahzad Raza, Rachael A Safyan, Evan Rosenbaum, Alex S Bowman, Suzanne Lentzsch
Multiple myeloma (MM) is the second most common hematologic malignancy. The diagnosis of MM requires ⩾10% clonal plasma cells in the bone marrow or biopsy-proven plasmacytoma, plus evidence of end-organ damage (hypercalcemia, renal failure, anemia, and lytic bone lesions). The definition of MM has recently been expanded to include a ⩾60% clonal plasma cell burden in the bone marrow, serum involved/uninvolved light chain ratio of ⩾100, or more than one focal lesion on magnetic resonance imaging ⩾5 mm in the absence of end-organ damage...
February 2017: Therapeutic Advances in Hematology
https://www.readbyqxmd.com/read/28203307/epigenetic-strategies-to-reverse-drug-resistance-in-heterogeneous-multiple-myeloma
#9
REVIEW
Mark E Issa, Farnaz Sedigheh Takhsha, Chandra Sekhar Chirumamilla, Claudina Perez-Novo, Wim Vanden Berghe, Muriel Cuendet
Multiple myeloma (MM) is a hematological malignancy, which remains incurable because most patients eventually relapse or become refractory to current treatments. Due to heterogeneity within the cancer cell microenvironment, cancer cell populations employ a dynamic survival strategy to chemotherapeutic treatments, which frequently results in a rapid acquisition of therapy resistance. Besides resistance-conferring genetic alterations within a tumor cell population selected during drug treatment, recent findings also reveal non-mutational mechanisms of drug resistance, involving a small population of "cancer stem cells" (CSCs) which are intrinsically more refractory to the effects of a variety of anticancer drugs...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28202022/hematologic-manifestations-of-babesiosis
#10
REVIEW
Tamer Akel, Neville Mobarakai
BACKGROUND: Babesiosis, a zoonotic parasitic infection transmitted by the Ixodes tick, has become an emerging health problem in humans that is attracting attention worldwide. Most cases of human babesiosis are reported in the United States and Europe. The disease is caused by the protozoa of the genus Babesia, which invade human erythrocytes and lyse them causing a febrile hemolytic anemia. The infection is usually asymptomatic or self-limited in the immunocompetent host, or follows a persistent, relapsing, and/or life threatening course with multi-organ failure, mainly in the splenectomized or immunosuppressed patients...
February 15, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28201978/multiple-myeloma-and-the-immune-microenvironment
#11
Yawara Kawano, Aldo M Roccaro, Jamil Azzi, Irene M Ghobrial
One of the great advances in the field of cancer therapy in recent years is the emergence of immune therapies. Immune therapies, especially immune checkpoint inhibitors, have shown promising results in pre-clinical models and clinical trials of solid tumors, such as melanoma, breast cancer and lung cancer. Therapeutic strategies targeting the immune microenvironment have also been applied to hematological malignancies such as multiple myeloma (MM), a plasma cell neoplasia characterized by clonal expansion of malignant plasma cells mainly in the bone marrow (BM)...
February 13, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28199990/activation-of-nk-cells-and-disruption-of-pd-l1-pd-1-axis-two-different-ways-for-lenalidomide-to-block-myeloma-progression
#12
REVIEW
Massimo Giuliani, Bassam Janji, Guy Berchem
Natural Killer (NK) cells play a critical role against tumor cells in hematological malignancies. Their activating receptors are essential in tumor cell killing. In Multiple Myeloma (MM) patients, NK cell differentiation, activation and cytotoxic potential are strongly impaired leading to MM escape from immune surveillance in tissues and bone marrow. Mechanisms used by MM to affect NK cell functions are mediated by the release of soluble factors, the expression of activating and inhibitory NK cell ligands, and the expression of immune check-point inhibitors...
February 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28196338/telomerase-and-telomere-biology-in-hematological-diseases-a-new-therapeutic-target
#13
REVIEW
Alessandro Allegra, Vanessa Innao, Giuseppa Penna, Demetrio Gerace, Andrea G Allegra, Caterina Musolino
Telomeres are structures confined at the ends of eukaryotic chromosomes. With each cell division, telomeric repeats are lost because DNA polymerases are incapable to fully duplicate the very ends of linear chromosomes. Loss of repeats causes cell senescence, and apoptosis. Telomerase neutralizes loss of telomeric sequences by adding telomere repeats at the 3' telomeric overhang. Telomere biology is frequently associated with human cancer and dysfunctional telomeres have been proved to participate to genetic instability...
February 7, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28192253/hematopoietic-stem-cell-transplantation-using-preimplantation-genetic-diagnosis-and-hla-typing-for-hla-matched-sibling-donor-a-turkish-multicenter-study
#14
Emin Kurekci, Alphan Küpesiz, Sema Anak, Gülyüz Öztürk, Orhan Gürsel, Serap Aksoylar, Talia Ileri, Barış Kuşkonmaz, Ibrahim Eker, Mualla Cetin, Gülsün Tezcan Karasu, Zühre Kaya, Tunç Fışgın, Mehmet Ertem, Savaş Kansoy, Mehmet Akif Yeşilipek
Preimplantation genetic diagnosis involves the diagnosis of a genetic disorder in embryos obtained through in vitro fertilization, selection of healthy embryos, and transferring them to the mother's uterus. Preimplantation genetic diagnosis has been used not only to avoid the risk of having an affected child, but also by using HLA matching together, it offers preselection of potential HLA-genoidentical healthy donor progeny for an affected sibling, who requires bone marrow transplantation. Here, we share the hematopoietic stem cell transplantation results of 52 patients with different benign and malign hematological or metabolic diseases or immunodeficiencies, whose donors were their siblings borned with this technique in Turkey since 2008...
February 10, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28191813/acute-lymphoblastic-leukemia-mimicking-wilms-tumor-at-presentation
#15
Amitabh Singh, Anirban Mandal, Vijay Guru, Rachna Seth
BACKGROUND: Acute lymphoblastic leukemia (ALL), the commonest malignancy of childhood, is known to manifest with a myriad of atypical presentations. Nephromegaly is a rare presentation of childhood ALL with hepatic mass being even rarer. CASE PRESENTATION: We present a 3 year-old child with unilateral renal mass and hepatic mass lesion with normal blood counts, initially suspected to have metastatic Wilms tumor based on clinical, radiological and WT1 positivity on immunocytochemistry of renal mass...
September 2016: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28191766/concise-review-mesenchymal-stem-cell-therapy-for-pediatric-disease-perspectives-on-success-and-potential-improvements
#16
Christopher R Nitkin, Tracey L Bonfield
Mesenchymal stem cells (MSCs) represent a potentially revolutionary therapy for a wide variety of pediatric diseases, but the optimal cell-based therapeutics for such diversity have not yet been specified. The published clinical trials for pediatric pulmonary, cardiac, orthopedic, endocrine, neurologic, and hematologic diseases provide evidence that MSCs are indeed efficacious, but the significant heterogeneity in therapeutic approaches between studies raises new questions. The purpose of this review is to stimulate new preclinical and clinical trials to investigate these factors...
February 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28185119/biallelic-brca2-mutations-in-two-black-south-african-children-with-fanconi-anaemia
#17
Candice Feben, Careni Spencer, Anneline Lochan, Nakita Laing, Karen Fieggen, Engela Honey, Tasha Wainstein, Amanda Krause
Fanconi anaemia (FA) is a genotypically and phenotypically heterogeneous genetic condition, characterized cytogenetically by chromosomal instability and breakage secondary to impaired DNA repair mechanisms. Affected individuals typically manifest growth restriction and congenital physical abnormalities and most progress to hematological disease including bone marrow aplasia. A rare genetic subtype of FA (FA-D1) is caused by biallelic mutations in the BRCA2 gene. Affected individuals manifest severe congenital anomalies and significant pigmentary changes and are additionally at risk for early onset leukemia and certain solid organ malignancies, including Wilms tumors and brain tumors...
February 9, 2017: Familial Cancer
https://www.readbyqxmd.com/read/28183684/prognosis-biomarkers-evaluation-in-chronic-lymphocytic-leukemia
#18
Lorena Caixeta Gomes, Fernanda Cristina Gontijo Evangelista, Lirlândia Pires de Sousa, Sergio Schusterschitz da Silva Araujo, Maria das Graças Carvalho, Adriano de Paula Sabino
OBJECTIVE/BACKGROUND: From clinical and biological points of view, chronic lymphocytic leukemia (CLL) is a heterogeneous disease characterized by a progressive accumulation of lymphocytes in the peripheral blood, bone marrow, and lymphoid organs. New prognostic markers in CLL may be useful to clinicians for predicting outcome and in clinical decision-making. The aim of this study was to evaluate the potential prognostic value of the apoptotic/survival-controlling proteins and protein tyrosine kinase ZAP-70 gene expression in CLL patients and control individuals, correlating such findings with patients' clinical data...
February 1, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28182021/procedural-moderate-sedation-with-ketamine-in-pediatric-critical-care-unit
#19
Tarek R Hazwani, Hala Al-Alem
OBJECTIVE: To evaluate the safety and efficacy of moderate sedation in the Pediatric Intensive Care Unit (PICU) settings according to moderate sedation protocol using ketamine and midazolam and to determine areas for the improvement in our clinical practice. SETTINGS AND DESIGN: A retrospective study was conducted in the PICU. MATERIALS AND METHODS: Retrospective chart review was performed for patients who had received moderate sedation between January and the end of December 2011 and who are eligible to inclusion criteria...
January 2017: Avicenna Journal of Medicine
https://www.readbyqxmd.com/read/28176796/depurinized-milk-downregulates-rat-thymus-myd88-akt-p38-function-nf-%C3%AE%C2%BAb-mediated-inflammation-caspase-1-activity-but-not-the-endonuclease-pathway-in-vitro-in-vivo-study
#20
Gordana Kocic, Andrej Veljkovic, Hristina Kocic, Miodrag Colic, Dusan Mihajlovic, Katarina Tomovic, Svetlana Stojanovic, Andrija Smelcerovic
The aim of this study was the evaluation of 15 days dietary regimen of depurinized (DP) milk (obtained using our patented technological procedures) or 1.5% fat UHT milk instead of standard chow diet, on rat thymus and bone marrow MyD88/Akt/p38, NF-κB, caspase-1 and endonuclease pathways, in relation to peripheral blood cell composition. To determine whether the reduced mass of the thymus is a consequence of the direct effect of DP/UHT milk on apoptosis of thymocytes, in vitro Annexin-V-FITC/PI assay was performed...
February 8, 2017: Scientific Reports
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