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Acute myelogenous leukemia

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https://www.readbyqxmd.com/read/29309372/assessment-of-humoral-immunity-to-hepatitis-b-measles-rubella-and-mumps-in-children-after-chemotherapy
#1
Zuhal Keskin Yildirim, Mustafa Buyukavci
BACKGROUND: Cancer survival rates and longevity of patients after therapy have significantly improved during the last few decades. Therefore, lasting protection against infections should be provided. PROCEDURE: A total of 162 children diagnosed with acute lymphoblastic leukemia, acute myelogenous leukemia, solid tumors, non-Hodgkin lymphoma, and Hodgkin lymphoma were enrolled in the study. Antibody levels against hepatitis B virus was assessed both at the time of diagnosis and within 6 months after completion of chemotherapy...
January 5, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29289266/is-myc-an-important-biomarker-myc-expression-in-immune-disorders-and-cancer
#2
REVIEW
Shivtia Trop-Steinberg, Yehudit Azar
The proto-oncogene Myc serves as a paradigm for understanding the dynamics of transcriptional regulation. Myc protein has been linked to immune dysfunction, cancer development and neoplastic transformation. We review recent research regarding functions of Myc as an important modulator in immune disorders, postallogeneic hematopoietic stem cell transplantation (HSCT) and several cancers. Myc overexpression has been repeatedly linked to immune disorders and specific cancers, such as myasthenia gravis, psoriasis, pemphigus vulgaris, atherosclerosis, long-term allogeneic survival among HSCT patients, (primary) inflammatory breast cancer, (primary) ovarian carcinoma and hematological malignancies: acute myeloid leukemia, chronic myelogenous leukemia, Hodgkin's lymphoma and diffuse large B-cell lymphoma...
January 2018: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/29276026/dueling-for-dual-inhibition-means-to-enhance-effectiveness-of-pi3k-akt-mtor-inhibitors-in-aml
#3
REVIEW
Lauren Herschbein, Jane L Liesveld
The phosphatidylinositol 3-kinase/protein kinase B (Akt)/mechanistic target of rapamycin (PI3K/Akt/mTOR) pathway is amplified in 60-80% of patients with acute myelogenous leukemia (AML). Since this complex pathway is crucial to cell functions such as growth, proliferation, and survival, inhibition of this pathway would be postulated to inhibit leukemia initiation and propagation. Inhibition of the mTORC1 pathway has met with limited success in AML due to multiple resistance mechanisms including direct insensitivity of the mTORC1 complex, feedback activation of the PI3k/Akt signaling network, insulin growth factor-1 (IGF-1) activation of PI3K, and others...
December 2, 2017: Blood Reviews
https://www.readbyqxmd.com/read/29273895/smear-campaign-misattribution-of-pancytopenia-to-a-tick-borne-illness
#4
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/29260105/invasive-streptococcus-viridans-sphenoethmoiditis-leading-to-an-orbital-apex-syndrome
#5
Lance Bodily, Jenny Yu, Dante Sorrentino, Barton Branstetter
Purpose: Orbital apex syndrome due to spread of infectious sinusitis is a serious disease, often with an insidious presentation with few ophthalmic signs and symptoms. Failure to recognize and treat infectious orbital apex syndrome early portends a grave prognosis, including profound, permanent visual loss and potentially death. Herein we describe a representative case and discuss the relevant aspects of prompt diagnosis and treatment. Observations: An unusual case of infectious orbital apex syndrome due to contiguous spread of Streptococcus viridans sphenoethmoiditis in a hospitalized, immunosuppressed patient with acute myelogenous leukemia is presented...
December 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29243031/prospective-randomization-of-post-remission-therapy-comparing-autologous-peripheral-blood-stem-cell-transplantation-versus-high-dose-cytarabine-consolidation-for-acute-myelogenous-leukemia-in-first-remission
#6
Toshihiro Miyamoto, Koji Nagafuji, Tomoaki Fujisaki, Naoyuki Uchida, Kosei Matsue, Hideho Henzan, Ryosuke Ogawa, Ken Takase, Takatoshi Aoki, Michihiro Hidaka, Takanori Teshima, Shuichi Taniguchi, Koichi Akashi, Mine Harada
We prospectively compared outcomes of autologous stem cell transplantation (ASCT) versus high-dose cytarabine (HiDAC) consolidation as post-remission therapy for favorable- and intermediate-risk acute myelogenous leukemia (AML) in first complete remission (CR1). Two-hundred-forty patients under 65 years with AML-M1, M2, M4, or M5 subtypes were enrolled. After induction, 153 patients did not undergo randomization, while the remaining 87 who achieved CR1 were prospectively randomized to HiDAC (n = 45) or ASCT arm (n = 42)...
December 14, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/29228125/myeloid-neoplasms-following-solid-organ-transplantation-clinicopathologic-studies-of-23-cases
#7
Bin Wu, Kimberly Ingersoll, Rachel Jug, Lian-He Yang, Catherine Luedke, Amanda Lo, Pu Su, Xin Liu, Catherine Rehder, Jerald Gong, Chuanyi Mark Lu, Endi Wang
Objectives: Myeloid neoplasms (MNs) after solid organ transplant are rare, and their clinicopathologic features have not been well characterized. Methods: We retrospectively analyzed 23 such cases. Results: The ages ranged from 2 to 76 years, with a median of 59 years at the diagnosis. The median interval between the transplant and diagnosis was 56 months (range, 8-384 months). The transplanted organs included liver in five, kidney in six, lung in five, heart in six, and heart/lung in one case(s)...
December 7, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29221753/pura-the-gene-encoding-pur-alpha-member-of-an-ancient-nucleic-acid-binding-protein-family-with-mammalian-neurological-functions
#8
REVIEW
Dianne C Daniel, Edward M Johnson
The PURA gene encodes Pur-alpha, a 322 amino acid protein with repeated nucleic acid binding domains that are highly conserved from bacteria through humans. PUR genes with a single copy of this domain have been detected so far in spirochetes and bacteroides. Lower eukaryotes possess one copy of the PUR gene, whereas chordates possess 1-4 PUR family members. Human PUR genes encode Pur-alpha (Pura), Pur-beta (Purb) and two forms of Pur-gamma (Purg). Pur-alpha is a protein that binds specific DNA and RNA sequence elements...
December 5, 2017: Gene
https://www.readbyqxmd.com/read/29214694/myelodysplastic-syndromes-2018-update-on-diagnosis-risk-stratification-and-management
#9
Guillermo Montalban-Bravo, Guillermo Garcia-Manero
DISEASE OVERVIEW: The myelodysplastic syndromes (MDS) are a very heterogeneous group of myeloid disorders characterized by peripheral blood cytopenias and increased risk of transformation to acute myelogenous leukemia (AML). MDS occurs more frequently in older males and in individuals with prior exposure to cytotoxic therapy. DIAGNOSIS: Diagnosis of MDS is based on morphological evidence of dysplasia upon visual examination of a bone marrow aspirate and biopsy. Information obtained from additional studies such as karyotype, flow cytometry or molecular genetics is usually complementary and may help refine diagnosis...
January 2018: American Journal of Hematology
https://www.readbyqxmd.com/read/29212421/antineoplastic-chemotherapy-in-jehovah-s-witness-patients-with-acute-myelogenous-leukemia-refusing-blood-products-a-matched-pair-analysis
#10
Stefan Wilop, Rainhardt Osieka
BACKGROUND: Acute myelogenous leukemia (AML) may be cured in a substantial number of patients using intensive chemotherapeutic regimens leading to temporary severe myelosuppression. Patients belonging to the denomination of Jehovah's Witnesses (JW), however, are bound by their religious convictions not to accept blood products and are therefore at higher risk for life-threatening events. Reports how to handle this challenge are mainly anecdotal. MATERIAL AND METHODS: We here report in much more detail about our experience with nine patients belonging to the denomination of JW who were treated for AML in our department from 1998 to 2007 and who explicitly wished to receive chemotherapy without blood transfusions...
December 7, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/29212418/clinical-characteristics-and-outcome-of-childhood-acute-promyelocitic-leukemia-apl-in-saudi-arabia-a-multicenter-saphos-leukemia-group-study
#11
Wasil Jastaniah, Abdulrahman Alsultan, Saad Al Daama, Walid Ballourah, Mohamed Bayoumy, Faisal Al-Anzi, Omar Al Shareef, Mohammed Burhan Abrar, Reem Al Sudairy, Ibrahim Al Ghemlas
BACKGROUND: Acute promyelocytic leukemia (APL) is a rare form of acute myelogenous leukemia (AML). Survival rates exceed 80% in developed countries. Successful treatments rely on all-trans retinoic acid with anthracycline-based chemotherapy. Availability of modern care and public knowledge play important roles in pediatric APL survival. METHOD: A cytogenetic diagnosis of APL was confirmed in 30 (14.5%) out of 207 children consecutively diagnosed with de novo AML between January 2005 and December 2012 at nine cancer care centers in Saudi Arabia...
December 7, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/29193597/mycotic-pseudoaneurysm-of-a-pulmonary-artery-branch-caused-by-cladosporium
#12
Keishin Sunagawa, Yoshihito Uchino, Shinichirou Ishimoto, Shigeki Nakamura, Taku Honma, Yoko Nakanishi, Yoshihiro Hatta, Yoshitsugu Miyazaki, Hiroyuki Sakurai, Hiroyuki Hao, Masahiko Sugitani
We report the case of a 53-year-old male with a history of acute myelogenous leukemia, who suffered the rupturing of a right-sided pulmonary artery pseudoaneurysm combined with pneumonia. He underwent a right-sided lower lobectomy. The resected lung tissue demonstrated a mycotic pseudoaneurysm of a pulmonary artery branch together with a filamentous fungal infection. Pseudoaneurysms are caused by the breaching of all layers of a blood vessel wall. The extravasated blood is trapped by the surrounding extravascular tissue or clots...
November 28, 2017: Pathology International
https://www.readbyqxmd.com/read/29179634/azacytidine-in-combination-with-tyrosine-kinase-inhibitors-induced-durable-responses-in-patients-with-advanced-phase-chronic-myelogenous-leukemia
#13
Mathilde Ruggiu, Florence Oberkampf, David Ghez, Pascale Cony-Makhoul, Florence Beckeriche, Isabelle Cano, Anne L Taksin, Omar Benbrahim, Stéphanie Ghez, Hassan Farhat, Sophie Rigaudeau, Noémie de Gunzburg, Diane Lara, Christine Terre, Victoria Raggueneau, Isabel Garcia, Marc Spentchian, Stéphane De Botton, Philippe Rousselot
Although the tyrosine kinase inhibitor (TKI) era has brought great improvement in outcome in chronic myelogenous leukemia (CML), prognosis of accelerated phase or myeloid blast crisis patients or of de novo Philadelphia chromosome-positive acute myeloid leukemia remains poor. We conducted a retrospective study on patients with advanced phase disease treated with a TKI and azacytidine. Sixteen patients were eligible. Median age was 64.9 years, the median number of previous therapies was 2.5 lines, and median follow-up was 23...
November 28, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29159035/tumor-lysis-syndrome-tls-following-intrathecal-chemotherapy-in-a-child-with-acute-myelogenous-leukemia-aml
#14
Chana L Glasser
Tumor Lysis Syndrome (TLS) is a well-known complication of induction therapy for hematologic malignancies. It is characterized by rapid breakdown of malignant white blood cells (WBCs) leading to metabolic derangements and serious morbidity if left untreated. Most commonly, TLS is triggered by systemic chemotherapy, however, there have been case reports of TLS following intrathecal (IT) chemotherapy, all in patients with acute lymphoblastic leukemia (ALL)/lymphoma. Here, we report the first case of a patient with acute myelogenous leukemia (AML) who developed TLS following a single dose of IT cytosine arabinoside (Ara-C)...
2017: Leukemia Research Reports
https://www.readbyqxmd.com/read/29157092/single-agent-and-synergistic-combinatorial-efficacy-of-first-in-class-small-molecule-imipridone-onc201-in-hematological-malignancies
#15
Varun V Prabhu, Mala K Talekar, Amriti R Lulla, C Leah B Kline, Lanlan Zhou, Junior Hall, A Pieter J Van den Heuvel, David T Dicker, Jawad Babar, Stephan A Grupp, Mathew J Garnett, Ultan McDermott, Cyril H Benes, Jeffrey J Pu, David F Claxton, Nadia Khan, Wolfgang Oster, Joshua E Allen, Wafik S El-Deiry
ONC201, founding member of the imipridone class of small molecules, is currently being evaluated in advancer cancer clinical trials. We explored single agent and combinatorial efficacy of ONC201 in preclinical models of hematological malignancies. ONC201 demonstrated (GI50 1-8 µM) dose- and time-dependent efficacy in acute myeloid leukemia (AML), acute lymphoblastic leukemia (ALL), chronic myelogenous leukemia (CML), chronic lymphocytic leukemia (CLL), diffuse large B-cell lymphoma (DLBCL), mantle cell lymphoma (MCL), Burkitt's lymphoma, anaplastic large cell lymphoma (ALCL), cutaneous T-cell lymphoma (CTCL), Hodgkin's lymphoma (nodular sclerosis) and multiple myeloma (MM) cell lines including cells resistant to standard of care (dexamethasone in MM) and primary samples...
November 20, 2017: Cell Cycle
https://www.readbyqxmd.com/read/29156756/mir-221-regulated-kit-level-by-wild-type-or-leukemia-mutant-runx1-a-determinant-of-single-myeloblast-fate-decisions-that-collectively-drives-or-hinders-granulopoiesis
#16
Stefano Rossetti, Michael J Anauo, Nicoletta Sacchi
RUNX1, a master transcription factor of hematopoiesis, was shown to orchestrate both cell proliferation and differentiation during granulopoiesis by regulating microRNAs (miRs). In this study, taking advantage of the miR-ON reporter system, we monitored first, how the granulocyte colony stimulation factor (GCSF) temporally modulates the concomitant level variation of miR-221 and one of its prototypic targets, the stem cell factor receptor KIT, in single 32D(miR-ON-221) myeloblasts expressing wild type RUNX1...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29144072/relapse-and-cytogenetic-evolution-in-myeloid-neoplasms
#17
Natalie Ertz-Archambault, Katalin Kelemen
Based on the current WHO Classification of Myeloid Neoplasms, cytogenetic findings play a central role in the diagnostic classification of the myeloid malignancies. Cytogenetic abnormalities detected at primary diagnosis may change over time. Karyotype changes can be characterized as cytogenetic evolution, cytogenetic regression or a combination of both. While the exact mechanism of cytogenetic evolution is not completely understood, the process of cytogenetic evolution is not random, but follows different, and often disease-specific patterns during progression and relapse of myeloid neoplasms...
December 2017: Panminerva Medica
https://www.readbyqxmd.com/read/29119937/use-of-human-dihydroorotate-dehydrogenase-hdhodh-inhibitors-in-autoimmune-diseases-and-new-perspectives-in-cancer-therapy
#18
Marco L Lolli, Stefano Sainas, Agnese C Pippione, Marta Giorgis, Donatella Boschi, Franco Dosio
BACKGROUND: Human dihydroorotate dehydrogenase (hDHODH, EC 1.3.5.2), a flavin-dependent mitochondrial enzyme involved in de novo pyrimidine biosynthesis, is a validated therapeutic target for the treatment of autoimmune diseases, such as rheumatoid arthritis and multiple sclerosis. However, human DHODH inhibitors have also been investigated as treatment for cancer, parasite infections (i.e. malaria) and viruses as well as in the agrochemicals industry. OBJECTIVE: An overview of current knowledge of hDHODH inhibitors and their potential uses in diseases where hDHODH is involved...
November 8, 2017: Recent Patents on Anti-cancer Drug Discovery
https://www.readbyqxmd.com/read/29067276/characteristics-of-clostridium-difficile-infection-in-patients-hospitalized-with-myelodysplastic-syndrome-or-acute-myelogenous-leukemia
#19
Kamini Shah, Bryan F Curtin, Christopher Chu, Daniel Hwang, Mark H Flasar, Erik von Rosenvinge
AIM: To evaluate factors associated with Clostridium difficile infection (CDI) and outcomes of CDI in the myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML) population. METHODS: After IRB approval, all MDS/AML patients hospitalized at the University of Maryland Greenebaum Comprehensive Cancer Center between August 2011 and December 2013 were identified. Medical charts were reviewed for demographics, clinical information, development of CDI, complications of CDI, and mortality...
October 10, 2017: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29049187/a-myeloid-sarcoma-involving-the-small-intestine-kidneys-mesentery-and-mesenteric-lymph-nodes-a-case-report-and-literature-review
#20
REVIEW
Ping Wang, Quan Li, Li Zhang, Hong Ji, Cheng-Zhou Zhang, Bin Wang
RATIONALE: Myeloid sarcomas (MSs) are rare malignant hematological tumors. They most commonly occur in patients with acute or chronic myeloid leukemia. A de novo MS with no evidence of blood system disease is rare, but may represent the first sign of a systemic illness that precedes a full-blown disease. Herein, we report the computed tomography (CT) findings of an extremely rare case of a nonleukemic MS that progressed to acute myelogenous leukemia (AML) and simultaneously involved the small intestine, kidneys, mesentery, and mesenteric lymph nodes...
October 2017: Medicine (Baltimore)
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