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Atypical Leukemia

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https://www.readbyqxmd.com/read/29043985/from-the-observation-of-atypical-cells-on-blood-smear-to-the-diagnosis-of-mast-cell-leukemia-a-case-report-in-a-79-year-old-woman-consulting-for-anemia
#1
Julien Decker, Sabine Meyer, Véronique Latger-Cannard, Sorin Visanica, Elena Loppinet, Jean-François Lesesve, Blandine Bénet
Mast cell leukemia is an extremely rare disease, which belongs to the systemic mastocytosis group (WHO 2016). We are reporting the case of a 79-year-old woman, without any hematological particular history consulting for hyperthermia, repeated malaise and subacute anemia. Her clinical examination was normal. Unusual cells were seen on blood and bone marrow smears. They represent more than 10% of blood nucleated cells end more than 20% of the bone marrow nucleated cells. Bone marrow immunophenotyping was performed to characterize these cells...
October 18, 2017: Annales de Biologie Clinique
https://www.readbyqxmd.com/read/29035453/immunophenotyping-of-chronic-lymphocytic-leukemia
#2
Mesude Falay And Gulsum Ozet
BACKGROUND: Chronic Lymphocytic Leukemia (CLL) is one of the most common diagnoses made by flow cytometry laboratories. There is no consensus on which markers need to be used in flow cytometry for accurate immunophenotyping. Herein, we investigated the role of markers used in flow cytometry in the distinction between CLL and MCL. METHODS: A total 339 recently diagnosed B lymphoproliferative patient cases were retrospectively studied for their immunophenotypical propoerties using flow cytometry...
October 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29033820/pachyderma-in-primary-cutaneous-nk-and-t-cell-lymphoma-and-leukemia-cutis
#3
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/29033451/dasatinib-and-azacitidine-followed-by-haploidentical-stem-cell-transplant-for-chronic-myeloid-leukemia-with-evolving-myelodysplasia-a-case-report-and-review-of-treatment-options
#4
Fabian Lang, Lydia Wunderle, Heike Pfeifer, Susanne Schnittger, Gesine Bug, Oliver G Ottmann
BACKGROUND CML presenting with a variant Philadelphia translocation, atypical BCR-ABL transcript, additional chromosomal aberrations, and evolving MDS is uncommon and therapeutically challenging. The prognostic significance of these genetic findings is uncertain, even as singular aberrations, with nearly no data on management and outcome when they coexist. MDS evolving during the course of CML may be either treatment-associated or an independently coexisting disease, and is generally considered to have an inferior prognosis...
October 16, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/29025591/identification-of-a-novel-csf3r-sptan1-fusion-gene-in-an-atypical-chronic-myeloid-leukemia-patient-with-t-1-9-p34-q34-by-rna-seq
#5
Guangying Sheng, Jian Zhang, Zhao Zeng, Jinlan Pan, Qinrong Wang, Lijun Wen, Yang Xu, Depei Wu, Suning Chen
Membrane-proximal and truncated mutations of colony-stimulating factor 3 receptor (CSF3R) are frequently found in chronic neutrophilic leukemia (CNL) and atypical chronic myeloid leukemia (aCML). However, rearrangement involving CSF3R in hematological neoplasms has not been reported. Here, we report a case of a 21-year-old female diagnosed as aCML with t(1;9)(p34;q34) who presented a CSF3R rearrangement. First, RNA sequencing identified a novel fusion transcript involving exon 17 of CSF3R and exon 50 of non-erythrocytic-1-spectrin-alpha (SPTAN1)...
October 2017: Cancer Genetics
https://www.readbyqxmd.com/read/29025582/a-novel-trip11-flt3-fusion-in-a-patient-with-a-myeloid-lymphoid-neoplasm-with-eosinophilia
#6
Alfred Chung, Yanli Hou, Robert S Ohgami, Ann Von Gehr, Dianna G Fisk, Krishna M Roskin, Xu Li, Linda Gojenola, Charles D Bangs, Daniel A Arber, Andrew Z Fire, Athena M Cherry, James L Zehnder, Jason Gotlib, Jason D Merker
FLT3 fusions are associated with myeloid and lymphoid neoplasms with eosinophilia. We describe a patient presenting with clinicopathologic features of both chronic eosinophilic leukemia, not otherwise specified (CEL, NOS) and systemic mastocytosis (SM). The bone marrow demonstrated a myeloproliferative neoplasm with eosinophilia and aggregates of atypical mast cells. Cytogenetic analysis revealed a t(13;14)(q12;q32), which was subsequently molecularly characterized as a novel TRIP11-FLT3 rearrangement. A KIT D816V mutation was also identified...
October 2017: Cancer Genetics
https://www.readbyqxmd.com/read/29021476/a-rare-monocytic-crisis-of-chronic-myelogenous-leukemia-presenting-with-unusual-extramedullary-manifestations-and-an-atypical-14-22-q24-q11-2-translocation-in-the-bone-marrow
#7
Morihiro Inoue, Masao Hagihara, Tomoyuki Uchida, Jian Hua, Takeshi Nakajima, Shogo Tajima, Yasunori Ota
A 48-year-old man was admitted due to marked leukocytosis. Bone marrow examinations resulted in a diagnosis of Philadelphia (Ph) chromosome-positive chronic myeloid leukemia. One month later, massive muscle and bone invasion by leukemic cells was detected. After induction chemotherapy, he complained of a headache and visual loss, which was caused by a leukemic infiltration in the central nervous system. After temporary remission in response to chemotherapy, the disease relapsed in the form of an intracranial tumor...
October 11, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28991131/recurrent-atypical-hemolytic-uremic-syndrome-in-children-with-acute-lymphoblastic-leukemia-undergoing-maintenance-chemotherapy
#8
Geoffrey Cheng, Bulent Ozgonenel, Kanta Bhambhani, Gaurav Kapur, Richard J Smith, Süreyya Savaşan
Chemotherapy-associated myelosuppression and renal dysfunction is not uncommon during childhood acute lymphoblastic leukemia (ALL) therapy. Here we report 2 cases of atypical hemolytic uremic syndrome (aHUS) presenting with pancytopenia and renal dysfunction that developed during maintenance chemotherapy characterized by hypocomplementemia. Both cases experienced recurrence after resolution of the initial aHUS episode upon resumption of chemotherapy, raising a possible contributory role for chemotherapy in the disease pathogenesis...
October 4, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28983816/recent-progress-in-chronic-neutrophilic-leukemia-and-atypical-chronic-myeloid-leukemia
#9
REVIEW
Kim-Hien T Dao, Jeffrey W Tyner, Jason Gotlib
PURPOSE OF REVIEW: We reviewed recent diagnostic and therapeutic progress in chronic neutrophilic leukemia (CNL) and atypical chronic myeloid leukemia (aCML). We summarized recent genetic data that may guide future efforts towards implementing risk-adapted therapy based on mutational profile and improving disease control and survival of affected patients. RECENT FINDINGS: Recent genetic data in CNL and aCML prompted modifications to the World Health Organization (WHO) diagnostic criteria, which have improved our understanding of how CNL and aCML are different diseases despite sharing common findings of peripheral granulocytosis and marrow myeloid hyperplasia...
October 6, 2017: Current Hematologic Malignancy Reports
https://www.readbyqxmd.com/read/28927137/atypical-chronic-myeloid-leukemia-with-isochromosome-x-p10-a-case-report
#10
Masahide Yamamoto, Sayaka Suzuki, Jun-Ichi Mukae, Keisuke Tanaka, Ken Watanabe, Gaku Oshikawa, Tetsuya Fukuda, Naomi Murakami, Osamu Miura
Atypical chronic myeloid leukemia (aCML) is a rare subtype of myelodysplastic/myeloproliferative neoplasm (MDS/MPN). Although recurrent chromosomal and genetic abnormalities are frequently observed in aCML, none are specific to this type of leukemia. The present study reported a case of aCML associated with i(X)(p10), a rare recurrent chromosomal abnormality of hematological malignancy. A 40-year-old female was referred to the Tokyo Medical and Dental University Hospital (Tokyo, Japan) due to slight leukocytosis and anemia...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28871936/xanthoma-like-skin-changes-in-an-elderly-woman-with-a-normal-lipid-profile
#11
Piotr Nockowski, Zdzisław Woźniak, Adam Reich, Joanna Maj
Dear Editor, An 83-year-old woman developed yellow-brownish infiltrates, nodules, and tumors mimicking xanthomas, mostly involving the periorbital and chest area within three months (Figure 1). She had no abnormalities in serum cholesterol or triglycerides levels. A detailed laboratory analysis revealed the presence of mild monoclonal gammopathy with a presence of immunoglobulin G (IgG) kappa light chains; however, according to hematologist consultation, it did not require medical intervention. Imaging assessment and ultrasound examination did not show any specific involvement of internal organs...
July 2017: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/28830605/quantitative-flow-cytometric-evaluation-of-cd200-cd123-cd43-and-cd52-as-a-tool-for-the-differential-diagnosis-of-mature-b-cell-neoplasms
#12
Elissandra Machado Arlindo, Natália Aydos Marcondes, Flavo Beno Fernandes, Gustavo Adolpho Moreira Faulhaber
BACKGROUND: Distinction between mature B-cell neoplasms can be difficult due to overlapping of immunologic features and clinical manifestations. This study investigated whether quantifying mean fluorescence intensity of four monoclonal antibodies in a flow cytometry panel is useful for the differential diagnosis and characterization of these disorders. METHODS: The expressions of CD52, CD200, CD123 and CD43 were analyzed in samples from 124 patients with mature B-cell neoplasms...
July 2017: Revista Brasileira de Hematologia e Hemoterapia
https://www.readbyqxmd.com/read/28760296/analysis-of-survival-of-patients-with-chronic-myeloid-leukemia-treated-with-imatinib-in-the-last-15-years-in-lebanon
#13
Marcel Massoud, Riwa Sakr, Fouad Kerbage, Joseph Makdissi, Jenny Hawi, Layale Rached, Fady Nasr, Georges Chahine
BACKGROUND: In the 2000s, the introduction of the tyrosine kinase inhibitor (TKI), imatinib, improved the survival outcomes of patients with chronic myeloid leukemia (CML). In Lebanon, we rapidly adopted this treatment strategy. To the best of our knowledge, this is the first study reporting the survival rates of Lebanese CML patients. We examined the rates of major molecular response (MMR) and complete cytogenetic response (CCyR) and analyzed the overall survival, progression-free survival, and event-free survival of CML patients treated with front-line imatinib in 3 university hospitals in Lebanon...
July 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28746448/fatal-toxoplasmosis-in-an-immunosuppressed-domestic-cat-from-brazil-caused-by-toxoplasma-gondii-clonal-type-i
#14
Hilda Fátima de Jesus Pena, Camila Mariellen Evangelista, Renata Assis Casagrande, Giovana Biezus, Claudia Salete Wisser, Paulo Eduardo Ferian, Anderson Barbosa de Moura, Veronica Machado Rolim, David Driemeier, Solange Oliveira, Bruna Farias Alves, Solange Maria Gennari, Sandra Davi Traverso
The objective of the study was to report on a fatal case of feline toxoplasmosis with coinfection with the feline leukemia virus (FeLV). A domestic cat (Felis silvestris catus) presented intense dyspnea and died three days later. In the necropsy, the lungs were firm, without collapse and with many white areas; moderate lymphadenomegaly and splenomegaly were also observed. The histopathological examination showed severe necrotic interstitial bronchopneumonia and mild necrotic hepatitis, associated with intralesional cysts and tachyzoites of Toxoplasma gondii that were positive by anti-T...
April 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/28713070/the-role-of-cd200-and-cd43-expression-in-differential-diagnosis-between-chronic-lymphocytic-leukemia-and-mantle-cell-lymphoma
#15
Mesude Falay, Berna Afacan Öztürk, Kürşad Güneş, Yasin Kalpakçı, Simten Dağdaş, Funda Ceran, Gülsüm Özet
OBJECTIVE: Atypical CLL is most frequently confused with mantle cell lymphoma (MCL). Several markers may contribute to the diagnosis of CLL. However, there is no consensus on which markers are needed to be used in the flowcytometry for the diagnosis of CLL. The aim of the present study was to investigate the role of CD43 and CD200 markers in the differential diagnosis between CLL and MCL. MATERIALS AND METHODS: To address this issue, 339 consecutive patients with CLL and MCL evaluation of CD43, and CD200 expressions were included in the flowcytometry LPD panel but not in the Matutes scoring system...
July 17, 2017: Turkish Journal of Haematology: Official Journal of Turkish Society of Haematology
https://www.readbyqxmd.com/read/28698853/hairy-cell-leukemia-a-case-report-of-atypical-presentation-without-splenomegaly
#16
Mona Alfaraj, Hussain Alsaeed
No abstract text is available yet for this article.
June 2017: Blood Research
https://www.readbyqxmd.com/read/28680340/successful-treatment-of-pulmonary-candidiasis-and-aspergillosis-in-patient-with-refractory-hodgkin-lymphoma-using-micafungin-case-study-and-brief-literature-review
#17
Marta Barańska, Renata Kroll-Balcerzak, Lidia Gil, Joanna Rupa-Matysek, Mieczysław Komarnicki
The number of patients with hematological malignancies who develop invasive fungal disease (IFD) has increased dramatically in recent decades. This increase is attributed to impairment of the host immune system due to intensive cytotoxic chemotherapies, use of corticosteroids and profound immunosuppression after hematopoietic stem cell transplantation (HSCT). Additionally, the increasing prevalence of fungal infections caused by emerging and rare pathogens, IFD of mixed etiology or of atypical localization is observed...
2017: Central-European Journal of Immunology
https://www.readbyqxmd.com/read/28670458/the-work-relatedness-at-a-case-of-acute-lymphoblastic-leukemia-in-a-radiation-oncologist
#18
Bong Hyun Kim, Young-Jun Kwon, Young-Su Ju, Bong Kyu Kim, Hyun Seok Lee, Sang-Gil Lee, Yun Kyung Chung
BACKGROUND: Clinicians who perform radiation therapy (RT) are exposed to radiation, which may negatively affect their health. The present study reports a case of acute lymphoblastic leukemia in a healthcare provider who was exposed to radiation at work; we also present a literature review of this topic. CASE PRESENTATION: A 45-year-old patient, who had been a radiation oncologist and had been exposed to radiation while performing brachytherapy 10 years ago, complained of chest pain and was suspected of having leukemia based on the results of a blood test in an outpatient clinic...
2017: Annals of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28666496/atypical-chronic-myeloid-leukemia-bcr-abl1-negative-in-a-5-month-baby-arare-presentation
#19
Nazish Saqlain, Nisar Ahmed
Atypical chronic myeloid leukemia (aCML) is a neoplasm with poor prognosis, characterized by myeloid hyperplasia, dysmyelopoiesis and absence of BCR-ABL1 gene. Clinically, the disease course may be similar to chronic myeloid leukemia (CML), BCR-ABL1 positive. It presents in seventh to eighth decade of life with few cases of paediatric aCML being reported. Here, we report a case of aCMLin a 5-month baby who presented with massive splenomegaly. The diagnosis was in accordance with the WHO criteria established in 2008...
November 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28659325/identification-of-an-atypical-enzootic-bovine-leukosis-in-japan-by-using-a-novel-classification-of-bovine-leukemia-based-on-immunophenotypic-analysis
#20
Asami Nishimori, Satoru Konnai, Tomohiro Okagawa, Naoya Maekawa, Shinya Goto, Ryoyo Ikebuchi, Ayako Nakahara, Yuzumi Chiba, Masaho Ikeda, Shiro Murata, Kazuhiko Ohashi
Bovine leukemia is classified into two types: enzootic bovine leukosis (EBL) and sporadic bovine leukosis (SBL). EBL is caused by infection with bovine leukemia virus (BLV), which induces persistent lymphocytosis and B-cell lymphoma in cattle after a long latent period. Although it has been demonstrated that BLV-associated lymphoma occurs predominantly in adult cattle of >3 to 5 years, suspicious cases of EBL onset in juvenile cattle were recently reported in Japan. To investigate the current status of bovine leukemia in Japan, we performed immunophenotypic analysis of samples from 50 cattle that were clinically diagnosed as having bovine leukemia...
September 2017: Clinical and Vaccine Immunology: CVI
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