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https://www.readbyqxmd.com/read/29127946/seasonal-trends-of-diagnosis-of-childhood-malignant-diseases-and-viral-prevalence-in-south-korea
#1
Kyu Seok Shim, Min Hyung Kim, Choong Nam Shim, Minkyu Han, In Seok Lim, Soo Ahn Chae, Sin Weon Yun, Na Mi Lee, Dae Yong Yi, Hyery Kim
BACKGROUND: Several studies have reported a seasonal trend in the diagnosis of childhood cancer suggesting seasonal factors such as infection. The present study aimed to analyze the diagnosis pattern of childhood malignant diseases using public health data, and to compare this pattern with seasonal viral infection trends. METHOD: Using the open data source of the Health Insurance Review and Assessment Service, we extracted data regarding all patients under 21 years of age and who had any cancer, aplastic anemia or myelodysplastic syndrome between September 2009 and December 2013...
November 8, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/29126867/allogeneic-hematopoietic-cell-transplantation-for-richter-syndrome-a-single-center-experience
#2
Mohamed A Kharfan-Dabaja, Ambuj Kumar, Facundo E Stingo, Farhad Khimani, Mohammad Hussaini, Ernesto Ayala, Taiga Nishihori, Bijal Shah, Frederick L Locke, Javier Pinilla-Ibarz, Julio C Chavez
BACKGROUND: Recent studies have shown dismal outcomes when chronic lymphocytic leukemia progresses to Richter syndrome after patients receive ibrutinib, with a median overall survival ranging from 2.6 to 3.5 months. Published data on efficacy of allogeneic hematopoietic cell transplantation in Richter syndrome are limited to single-center case series and registry data. PATIENTS AND METHODS: We evaluated the efficacy of allogeneic transplantation in 10 patients, median age of 63 (range, 50-74) years, allografted at a median of 5 (range, 4-25) months from diagnosis of Richter syndrome...
October 12, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/29096655/complete-mimicry-a-case-of-alveolar-rhabdomyosarcoma-masquerading-as-acute-leukemia
#3
Osamu Imataki, Makiko Uemura, Shumpei Uchida, Shigeyuki Yokokura, Akihiro Takeuchi, Ryo Ishikawa, Akihiro Kondo, Kayoko Seo, Norimitsu Kadowaki
BACKGROUND: A small number of rhabdomyosarcoma (RMS) cases involve the bone marrow. A leukemic presentation of RMS has been reported in a few case series, although almost all cases of leukemic RMS are not completely mimicking leukemia. We encountered a case with RMS cell infiltration of the bone marrow that resembled floating hematological cells. CASE PRESENTATION: We encountered a rare case of a 15-year-old boy with a 2-week history of left femoral pain. Upon admission, he was afebrile with no other symptoms...
November 2, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/29079175/aberrant-expression-of-cd20-in-thyroid-cancer-and-its-clinicopathologic-significance
#4
Andrey Bychkov, Chan Kwon Jung
CD20 is the first line diagnostic marker of B-cells, which serves as the target of the therapeutic monoclonal antibodies in B-cell lymphomas and leukemias. Recently, aberrant CD20 expression has been described in a small series of papillary thyroid carcinomas (PTC). We aimed to evaluate CD20 immunoexpression and to perform clinicopathologic correlation in a large set of thyroid tumors, including a cohort of high-grade thyroid cancer. A total of 625 cases of thyroid tumor comprised tissue microarrays of 538 PTCs and 47 follicular adenomas, and whole-slide sections of 40 aggressive thyroid carcinomas (10 radioiodine-refractory PTCs, 8 poorly differentiated, 5 anaplastic and 17 medullary thyroid carcinomas) were immunostained with anti-CD20 monoclonal antibody...
October 24, 2017: Human Pathology
https://www.readbyqxmd.com/read/29035192/bacillus-cereus-bacteremia-with-central-nervous-system-involvement-a-neuropathological-study
#5
Jean Philippe Brouland, Nathalie Sala, Selin Tusgul, Caterina Rebecchini, Enikö Kovari
Bacillus cereus is a widely-distributed, gram-positive or variable, rod-shaped bacterium frequently considered a contaminant in clinical specimens. It is recognized as a potential pathogen inducing self-limiting emetic or diarrheal food poisoning or localized infection in immunocompetent patients. True B. cereus bacteremia is uncommon and mainly observed in fragile patients, notably in immunocompromised individuals. We report clinical, radiological, and pathological findings of a 64-year-old patient with a history of acute myeloid leukemia who initially presented a fever while neutropenic after the induction of a second cycle of chemotherapy...
October 16, 2017: Clinical Neuropathology
https://www.readbyqxmd.com/read/29033820/pachyderma-in-primary-cutaneous-nk-and-t-cell-lymphoma-and-leukemia-cutis
#6
Eve Lebas, Cesar Chian, Nazli Nikkels-Tassoudji, Jorge E Arrese, Arjen F Nikkels
BACKGROUND: Pachyderma is defined as severely thickened skin with deep folds and is occasionally observed with primary cutaneous NK and T-cell lymphoma (pCNKTCL), primary cutaneous B-cell lymphoma (pCBCL), and leukemia cutis (LC). AIM: To describe the clinical, histological, and therapeutic particularities of a series of pCNKTCL, pCBCL, and LC patients with pachyderma. RESULTS: In a series of pCNKTCL (n = 70), pCBCL (n = 12), and LC (n = 2) patients followed up during 9 years, 6 cases of pachyderma were observed...
September 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/29032616/a-survey-on-hematology-oncology-pediatric-aieop-centres-the-challenge-of-posterior-reversible-encephalopathy-syndrome
#7
Daniele Zama, Pietro Gasperini, Massimo Berger, Mariagrazia Petris, Maria D De Pasquale, Simone Cesaro, Maria E Guerzoni, Elena Mastrodicasa, Francesca Savina, Ottavio Ziino, Valentina Kiren, Paola Muggeo, Rosa M Mura, Fraia Melchionda, Giulio A Zanazzo
Posterior reversible encephalopathy syndrome (PRES) is one of the most common neurological complications in hematology-oncology pediatric patients. Despite an increasingly recognized occurrence, no clear consensus exists regarding how best to manage the syndrome, because most cases of PRES have reported in single case reports or small series. Aim of this paper is to identify incidence, clinical features, management and outcome of PRES in a large series of hematology-oncology pediatric patients METHODS: The cases of PRES occurred in twelve centres of the Italian Association of Pediatric Haematology and Oncology were reported RESULTS: 124 cases of PRES in 112 pediatric patients were recorded with an incidence of 2...
October 15, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28991134/isolated-testicular-recurrence-of-aml-in-patients-with-chronic-gvhd-1-year-following-allogeneic-stem-cell-transplant
#8
Brian N Dang, Satiro De Oliveira, LaVette Bowles, Theodore B Moore
BACKGROUND: Patients with chronic graft-versus-host disease (cGVHD) following allogeneic transplant for myeloid leukemias seem to experience a reduced risk of relapse than comparable patients without cGVHD. It is unclear to what extent extramedullary sites are impacted by a graft-versus-leukemia effect. DESIGN/METHOD: Case Series and review of the literature. RESULTS: We present 2 cases of pediatric patients with Acute Myelogenous Leukemia who developed isolated testicular relapse more than a year following hematopoietic stem cell transplantation despite having had extensive cGVHD...
November 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28989588/cytogenetic-abnormalities-with-interphase-fish-method-and-clinical-manifestation-in-chronic-lymphocytic-leukemia-patients-in-north-east-of-iran
#9
Hossein Rahimi, Mohammad Hadi Sadeghian, Mohammad Reza Keramati, Amir Hossein Jafarian, Sepideh Shakeri, Seyyede Fatemeh Shams, Neda Motamedi, Maryam Sheikhi, Hossein Ayatollahi
Background: Chronic lymphocytic leukemia (CLL) is one of the most prevalent adult leukemias. This malignancy is known by lymphocytosis for a duration of more than 3 months. In fact, it is a heterogeneous clinical disease with changeable progression. Chromosomal aberrations are significant parameters to predict result and survival rate and find treatment strategies for each patient. Cytogenetic methods are known as sensitive and relatively new procedures to detect abnormalities in genome. Materials and Methods: In order to identify CLL-related chromosomal abnormalities, 48 CLL patients included 38 Men and 10 Women with mean age of 58...
July 1, 2017: International Journal of Hematology-oncology and Stem Cell Research
https://www.readbyqxmd.com/read/28977911/stat3-mutation-impacts-biological-and-clinical-features-of-t-lgl-leukemia
#10
Antonella Teramo, Gregorio Barilà, Giulia Calabretto, Chiara Ercolin, Thierry Lamy, Aline Moignet, Mikael Roussel, Cédric Pastoret, Matteo Leoncin, Cristina Gattazzo, Anna Cabrelle, Elisa Boscaro, Sara Teolato, Elisa Pagnin, Tamara Berno, Elena De March, Monica Facco, Francesco Piazza, Livio Trentin, Gianpietro Semenzato, Renato Zambello
STAT3 mutations have been described in 30-40% of T-large granular lymphocyte (T-LGL) leukemia patients, leading to STAT3 pathway activation. Considering the heterogeneity of the disease and the several immunophenotypes that LGL clone may express, the aim of this work was to evaluate whether STAT3 mutations might be associated with a distinctive LGL immunophenotype and/or might be indicative for specific clinical features. Our series of cases included a pilot cohort of 101 T-LGL leukemia patients (68 CD8+/CD4- and 33 CD4+/CD8±) from Padua Hematology Unit (Italy) and a validation cohort of additional 20 patients from Rennes Hematology Unit (France)...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28971265/pleural-effusion-and-molecular-response-in-dasatinib-treated-chronic-myeloid-leukemia-patients-in-a-real-life-italian-multicenter-series
#11
Alessandra Iurlo, Sara Galimberti, Elisabetta Abruzzese, Mario Annunziata, Massimiliano Bonifacio, Roberto Latagliata, Patrizia Pregno, Dario Ferrero, Federica Sorà, Ester Maria Orlandi, Carmen Fava, Daniele Cattaneo, Cristina Bucelli, Gianni Binotto, Ester Pungolino, Mario Tiribelli, Antonella Gozzini, Gabriele Gugliotta, Fausto Castagnetti, Fabio Stagno, Giovanna Rege-Cambrin, Bruno Martino, Luigiana Luciano, Massimo Breccia, Simona Sica, Monica Bocchia, Fabrizio Pane, Giuseppe Saglio, Gianantonio Rosti, Giorgina Specchia, Agostino Cortelezzi, Michele Baccarani
Pleural effusion (PE) represents the leading cause of dasatinib (DAS) discontinuation. However, the pathogenic mechanism of this adverse event (AE) is unknown and its management unclear. We investigated if a DAS dose reduction after the first PE would prevent the recurrence of this AE. We retrospectively collected data on all the cases of PE in CML-chronic phase (CP) DAS-treated patients from November 2005 to February 2017 in 21 Italian hematological centers. We identified 196 cases of PE in a series of 853 CML-CP DAS-treated patients (incidence 23...
October 2, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28970685/therapeutic-leukocyte-reduction-for-acute-and-chronic-myeloid-leukemias-a-4-year-experience-from-an-oncology-center-in-india
#12
Anita A Tendulkar, Puneet A Jain, Abhaykumar Gupta, Nidhi Sharma, Anisha Navkudkar, Vijaya Patle
INTRODUCTION: Hyperleukocytosis (HL) and leukostasis seen in myeloid leukemias are a medical emergency. We present a case series of ten such patients in a 4-year period. Sixteen therapeutic leukocyte reduction (TLR) were done in ten cases along with other supportive measures. The American Society for Apheresis supports the routine implementation of TLR in cases of HL secondary to myeloid leukemias with signs of leukostasis. MATERIALS AND METHODS: The procedures were performed on the intermittent flow cell separator after discussion with the treating physician about patient's condition...
July 2017: Asian Journal of Transfusion Science
https://www.readbyqxmd.com/read/28967092/dicentric-translocation-9-12-in-acute-lymphoblastic-leukemia-a-chromosomal-abnormality-with-an-excellent-prognosis
#13
Laura Illade, Victoria Fioravantti, Maitane Andion, Carmen Hernandez-Marques, Luis Madero, Alvaro Lassaletta
PURPOSE: Recurrent chromosomal abnormalities present in the leukemic cells of pediatric patients with acute lymphoblastic leukemia (ALL) often allow us to classify patients according to their prognosis, in order to establish further treatment. The dicentric translocation (9;12) consists of the rearrangement of the short arms of chromosomes 9 and 12 generating a dicentric chromosome (9;12). Patients with this alteration present a very good response to treatment and an excellent prognosis...
September 19, 2017: Tumori
https://www.readbyqxmd.com/read/28954118/case-for-diagnosis-infective-dermatitis-associated-with-htlv-1-differential-diagnosis-of-atopic-dermatitis
#14
Lorena Maria Lima de Oliveira, Marcos Vilela de Souza, Antonio Carlos Martins Guedes, Marcelo Grossi Araújo
Infective dermatitis associated with HTLV-1 (IDH) is the main cutaneous marker of HTLV-1 infection. This disease occurs primarily in children and should be differentiated from other eczemas, especially from atopic dermatitis. The largest series of IDH are from Jamaica and Brazil. There are an estimated 15 to 20 million infected people in the world, and Brazil is one of the endemic regions. Studies suggest that IDH in children may be a marker for the development of T-cell leukemia/lymphoma (ATL) or myelopathy associated with HTLV-1/tropical spastic paraparesis (HAM / TSP) in adulthood...
July 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28939453/bone-marrow-wt1-levels-in-allogeneic-hematopoietic-stem-cell-transplantation-for-acute-myelogenous-leukemia-and-myelodysplasia-clinically-relevant-time-points-and-100-copies-threshold-value
#15
Josep F Nomdedéu, Albert Esquirol, Maite Carricondo, Marta Pratcorona, Montserrat Hoyos, Ana Garrido, Miguel Rubio, Elena Bussaglia, Irene García-Cadenas, Camino Estivill, Salut Brunet, Rodrigo Martino, Jorge Sierra
The outcome of allogeneic hematopoietic stem cell transplantation (HCT) in patients with myeloid malignancies is better in those without minimal residual disease (MRD) than in those with MRD+, as assessed by multiparametric flow cytometry (MPFC). WT1 quantitation also has been used to assess the probability of relapse in acute myelogenous leukemia (AML) treated with chemotherapy. We analyzed the clinical value of normalized bone marrow WT1 levels as a measure of the expanded myeloid progenitor compartment in a consecutive series of 193 adult patients with myeloid malignancies who underwent HCT...
September 20, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28926803/distribution-of-chromosome-breakpoints-in-benzene-exposed-and-unexposed-aml-patients
#16
Patrick J Kerzic, Richard D Irons
Results of laboratory studies and investigations of occupationally exposed healthy individuals have been used to develop a mode of action for benzene-induced leukemia that mirrors disease following treatment with chemotherapeutic agents. Recently we have described series of AML and MDS cases with benzene exposure history, and have provided cytogenetic, molecular, and pathologic evidence that these cases differ significantly in many features from therapy-related disease. Here we have extended this work, and describe chromosome breakpoints across 441 identifiable regions, in terms of gains or losses, in 710 AML cases collected during the Shanghai Health Study, which include 75 with a history of benzene exposure...
September 1, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28925330/preoperative-positron-emission-tomography-for-node-positive-head-and-neck-cutaneous-squamous-cell-carcinoma
#17
Nir Hirshoren, Elizabeth Olayos, Alan Herschtal, Aravind S Ravi Kumar, David E Gyorki
Objectives Surgery is the primary treatment modality for node-positive cutaneous squamous cell carcinoma of the head and neck with no distant disease (HNcSCC-M0). The role of preoperative positron emission tomography/computed tomography (PET/CT) scan for these patients is unclear. We compared preoperative PET/CT with final histopathology among patients undergoing lymphadenectomy and/or parotidectomy for HNcSCC-M0. Study Design Case series with chart review. Setting Single Australian center. Subjects and Methods Investigation included disease parameters and preoperative CT and PET/CT findings of 64 patients with node-positive HNcSCC without distant metastatic disease...
September 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28923296/malignant-transformation-of-oral-leukoplakia-in-a-patient-with-dyskeratosis-congenita
#18
Michelle Bongiorno, Shayna Rivard, Daniel Hammer, Joshua Kentosh
Dyskeratosis congenita (DC) is a rare, inherited, bone marrow failure syndrome caused by premature telomere shortening. The classic mucocutaneous triad of clinical features comprises reticulated skin pigmentation, nail dysplasia, and oral leukoplakia. Multiple somatic features, including bone marrow failure, pulmonary fibrosis, and liver disease, are also common. DC significantly increases the risk for malignant transformation, including myelodysplastic syndrome, acute myeloid leukemia, head and neck squamous cell carcinoma, and anogenital cancer...
August 12, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28910610/platelet-transfusion-refractoriness-in-patients-with-acute-myeloid-leukemia-treated-by-intensive-chemotherapy
#19
Thibault Comont, Suzanne Tavitian, Laurent Bardiaux, Marylise Fort, Bénédicte Debiol, Danièle Morère, Emilie Bérard, Eric Delabesse, Isabelle Luquet, Salima Martinez, Françoise Huguet, Christian Récher, Sarah Bertoli
Platelet transfusion refractoriness (PTR) is a major adverse event in the management of acute myeloid leukemia (AML). In a series of 897 adult patients with AML receiving intensive chemotherapy, we identified 41 patients (4.8%) with PTR. PTR was more frequently observed in parous women, patients with extra-medullary disease, a low white blood cell count, an infection, or hemophagocytic syndrome. Among the 31 patients with anti-human leucocyte antigen (HLA) antibodies, an HLA-matched donor was identified for 18 patients (58...
October 2017: Leukemia Research
https://www.readbyqxmd.com/read/28805986/histiocytic-sarcoma-new-insights-into-fna-cytomorphology-and-molecular-characteristics
#20
Yin P Hung, Scott B Lovitch, Xiaohua Qian
BACKGROUND: Histiocytic sarcoma (HS) is a rare malignant neoplasm showing morphologic and immunophenotypic features of histiocytes. Molecular characteristics of HS and fine-needle aspiration (FNA) criteria for its diagnosis have not been established. METHODS: A case series of HS in 8 FNA samples from 6 patients was reviewed along with histopathologic and clinical data. Immunohistochemistry was performed on cell blocks (3 cases), core biopsies (5 cases), and surgical specimens (4 cases)...
August 2017: Cancer
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