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Atypical Leukemia

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https://www.readbyqxmd.com/read/29227326/sudden-intracranial-hemorrhage-in-a-patient-with-atypical-chronic-myeloid-leukemia-in-chronic-phase
#1
Kagehiro Kouzuki, Katsutsugu Umeda, Satoshi Saida, Itaru Kato, Hidefumi Hiramatsu, Takeshi Funaki, Kenji Kanda, Hideki Muramatsu, Kenichi Yoshida, Seishi Ogawa, Souichi Adachi
A 16-year-old boy was incidentally found to have hyperleukocytosis during a school physical examination. He was diagnosed with atypical chronic myeloid leukemia in chronic phase. Although treatment with hydoxyurea was started, his white blood cell count increased and he eventually developed lethal intracranial hemorrhage. Although very rare, intracranial hemorrhage should be considered as a possible complication in patients with atypical chronic myeloid leukemia, even in chronic phase, if they have hyperleukocytosis and thrombocytopenia...
December 8, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29226717/atypical-chronic-myeloid-leukemia-a-rare-entity-with-management-challenges
#2
Prajwal Dhakal, Krishna Gundabolu, Catalina Amador, Supratik Rayamajhi, Vijaya Raj Bhatt
The aim of our study was to review the clinicopathologic features and management of atypical chronic myeloid leukemia (aCML). Relevant manuscripts published in English were searched using PubMed. aCML is diagnosed as per WHO 2016 classification in the presence of leukocytosis ≥13 × 109/l with circulating neutrophil precursors ≥10%, monocytes less than 10%, minimal basophils, hypercellular bone marrow with granulocytic proliferation and dysplasia, bone marrow blast less than 20% and absence of BCR/ABL fusion gene...
December 11, 2017: Future Oncology
https://www.readbyqxmd.com/read/29225884/setbp1-mutations-as-a-biomarker-for-myelodysplasia-myeloproliferative-neoplasm-overlap-syndrome
#3
REVIEW
Katherine Linder, Chaitanya Iragavarapu, Delong Liu
Myelodysplasia (MDS) /myeloproliferative neoplasm (MPN) overlap syndrome has been described since the 2001 WHO classification as disorders that have both proliferative and dysplastic changes simultaneously. Specific disorders include chronic myelomonocytic leukemia (CMML), juvenile myelomonocytic leukemia (JMML), BCR-ABL negative atypical chronic myeloid leukemia (aCML) and unclassifiable MDS/MPN (MPN/MDS-U). Recurrent gene mutations in these conditions have been described. Among them, SETBP1 mutations have been identified in up to 32% of aCML, 24% of JMML, 18% of CMML and 10% of MDS/MPN-U patients...
2017: Biomarker Research
https://www.readbyqxmd.com/read/29208261/recurrent-malignancy-associated-atypical-neutrophilic-dermatosis-with-noninfectious-shock
#4
REVIEW
Kathryn Nicole Kinser, Kamaldeep Panach, Arturo Ricardo Dominguez
Sweet syndrome (SS) or acute febrile neutrophilic dermatosis presents with the sudden onset of fever, leukocytosis and tender, erythematous, edematous, well-demarcated papules and plaques that histopathologically demonstrate a dense neutrophilic infiltrate. A total of 20% of patients with SS have malignancy-associated disease that can present with bullous or atypical skin lesions that mimic pyoderma gangrenosum, another neutrophilic dermatosis. Both entities exist on a spectrum, and in the context of underlying malignancy, these neutrophilic diseases become less clinically distinct...
December 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/29203034/atypical-presentation-of-herpes-simplex-virus-type-2-infection-refractory-to-treatment-with-acyclovir-in-2-hematologic-patients
#5
D Nieto Rodríguez, E Sendagorta Cudós, J M Rueda Carnero, P Herranz Pinto
Herpesvirus infections are not uncommon in hematologic patients. Our first patient, diagnosed with chronic lymphatic leukemia, presented extensive genital herpes infection refractory to treatment with acyclovir and with a partial response to foscarnet, which had to be withdrawn due to systemic adverse effects. The second patient, diagnosed with follicular Hodgkin lymphoma, presented hypertrophic herpes infection refractory to treatment with acyclovir but that responded to intralesional cidofovir and topical imiquimod...
December 1, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/29192651/myeloid-neoplasms-with-features-intermediate-between-primary-myelofibrosis-and-chronic-myelomonocytic-leukemia
#6
Jennifer Chapman, Julia T Geyer, Mahsa Khanlari, Adrienne Moul, Carmen Casas, Scot T Connor, Yao-Shan Fan, Justin M Watts, Ronan T Swords, Francisco Vega, Attilio Orazi
Monocytosis can develop during disease course in primary myelofibrosis simulating that seen in chronic myelomonocytic leukemia, and should not lead to disease reclassification. In contrast, at presentation, rare cases have clinical, morphologic, and molecular genetic features truly intermediate between primary myelofibrosis and chronic myelomonocytic leukemia. The taxonomy and natural history of these diseases are unclear. We identified cases which either: (1) fulfilled the 2008 World Health Organization criteria for primary myelofibrosis but had absolute monocytosis and, when available, chronic myelomonocytic leukemia-related mutations (ASXL1, SRSF2, TET2) or (2) fulfilled criteria of chronic myelomonocytic leukemia but had megakaryocytic proliferation and atypia, marrow fibrosis, and myeloproliferative-type driver mutations (JAK2, MPL, CALR)...
December 1, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29123930/chronic-myeloid-leukemia-with-an-e6a2-bcr-abl1-fusion-transcript-cooperating-mutations-at-blast-crisis-and-molecular-monitoring
#7
Mireille Crampe, Karl Haslam, Emma Groarke, Eileen Kelleher, Derville O'Shea, Eibhlin Conneally, Stephen E Langabeer
A minority of chronic myeloid leukemia patients (CML) express a variety of atypical BCR-ABL1 fusion variants and, of these, the e6a2 BCR-ABL1 fusion is generally associated with an aggressive disease course. Progression of CML to blast crisis is associated with acquisition of additional somatic mutations yet these events have not been elucidated in patients with the e6a2 BCR-ABL1 genotype. Moreover, molecular monitoring is only sporadically performed in CML patients with atypical BCR-ABL1 fusion transcripts due to lack of consensus approaches or standardization...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/29107664/eruption-of-lymphocyte-recovery-with-atypical-lymphocytes-mimicking-a-primary-cutaneous-t-cell-lymphoma-a-series-of-12-patients
#8
Charlotte Hurabielle, Emilie Sbidian, Helmut Beltraminelli, Brigitte Bouchindhomme, Catherine Chassagne-Clément, Brigitte Balme, Céline Bossard, Marie-Hélène Delfau-Larue, Pierre Wolkenstein, Olivier Chosidow, Catherine Cordonnier, Andrea Toma, Cécile Pautas, Nicolas Ortonne
Eruption of lymphocyte recovery (ELR) may occur during bone marrow aplasia after chemotherapies. We reviewed the clinical and pathologic features of 12 patients (male/female: 7/5, median age: 61years) with an atypical ELR histologically mimicking a primary cutaneous T-cell lymphoma (CTCL) such as Sézary Syndrome or CD30+ T-cell lymphoproliferative disorder (LPD). All the patients displayed an erythematous maculopapular eruption on the trunk and the limbs, associated with fever. All but one had received a polychemotherapy for an acute myeloid leukemia (n=10) or an urothelial carcinoma (n=1) before the occurrence of the skin eruption...
October 28, 2017: Human Pathology
https://www.readbyqxmd.com/read/29091516/bosutinib-versus-imatinib-for-newly-diagnosed-chronic-myeloid-leukemia-results-from-the-randomized-bfore-trial
#9
Jorge E Cortes, Carlo Gambacorti-Passerini, Michael W Deininger, Michael J Mauro, Charles Chuah, Dong-Wook Kim, Irina Dyagil, Nataliia Glushko, Dragana Milojkovic, Philipp le Coutre, Valentin Garcia-Gutierrez, Laurence Reilly, Allison Jeynes-Ellis, Eric Leip, Nathalie Bardy-Bouxin, Andreas Hochhaus, Tim H Brümmendorf
Purpose Bosutinib is a potent dual SRC/ABL kinase inhibitor approved for adults with Philadelphia chromosome-positive chronic myeloid leukemia (CML) resistant and /or intolerant to prior therapy. We assessed the efficacy and safety of bosutinib versus imatinib for first-line treatment of chronic-phase CML. Methods In this ongoing, multinational, phase III study, 536 patients with newly diagnosed chronic-phase CML were randomly assigned 1:1 to receive 400 mg of bosutinib once daily (n = 268) or imatinib (n = 268)...
November 1, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29089646/automated-database-guided-expert-supervised-orientation-for-immunophenotypic-diagnosis-and-classification-of-acute-leukemia
#10
L Lhermitte, E Mejstrikova, A J van der Sluijs-Gelling, G E Grigore, L Sedek, A E Bras, G Gaipa, E S da Costa, M Novakova, E Sonneveld, C Buracchi, T de Sá Bacelar, J G Te Marvelde, A Trinquand, V Asnafi, T Szczepanski, S Matarraz, A Lopez, B Vidriales, J Bulsa, O Hrusak, T Kalina, Q Lecrevisse, M M Ayuso, M Brüggemann, J Verde, P Fernandez, L Burgos, B Paiva, C E Pedreira, J J M van Dongen, A Orfao, V H J van der Velden
Precise classification of acute leukemia (AL) is crucial for adequate treatment. EuroFlow has previously designed an AL orientation tube (ALOT) to guide towards the relevant classification panel (T-cell acute lymphoblastic leukemia (T-ALL), B-cell precursor (BCP)-ALL, and/or acute myeloid leukemia (AML)) and final diagnosis. Now we built a reference database with 656 typical AL samples (145 T-ALL, 377 BCP-ALL, 134 AML), processed and analyzed via standardized protocols. Using principal component analysis (PCA)-based plots and automated classification algorithms for direct comparison of single-cells from individual patients against the database, another 783 cases were subsequently evaluated...
November 1, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/29075489/intravascular-large-b-cell-lymphoma-associated-with-myelofibrosis-a-case-report
#11
Jong Gwon Choi, Hwan Hwi Cho, Sang Rok Kang, Se Min Jang, Eun Hyung Yoo, Hyun Jung Cho, Sun Moon Kim, Do Yeun Cho
Myelofibrosis (MF) is often accompanied by chronic myeloid leukemia, hairy cell leukemia, or certain primary myeloproliferative neoplasms, but is rarely associated with lymphoid neoplasms. We herein describe a case of intravascular large B-cell lymphoma (IVLBCL) with MF. IVLBCL is a rare, aggressive type of extranodal B-cell lymphoma, defined by proliferation of lymphomatous cells within small-to medium-sized vessels. A 60-year-old woman was admitted to the hospital with anemia, thrombocytopenia and fever. Bone marrow biopsy findings included trilineage hematopoiesis, increased numbers of immature cells, markedly abnormal and enlarged megakaryocytes, and diffuse fibrosis in multiple focal areas throughout the entire bone marrow space...
November 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29061005/-clinical-application-value-of-peripheral-blood-diagnostic-report
#12
Y Xing, J Z Wang, C W Pu, C X Qu, K Shang, N Dong, P Wu, H F Wang
Objective: To explore the clinical application value of peripheral blood diagnostic report. Methods: 557 peripheral blood diagnostic reports were collected from Peking University First Hospital, YANDA LU DAOPEI Hospital and Beijing United Family Hospital. The results were analyzed and summarized according to different blood cell morphology character for the first time and review cases, respectively. Results: Two hundred and one samples from first time patients were found abnormal complete blood count or leukocyte differential count, they were summarized as anemia, anemia accompanied with leukopenia or thrombopenia, abnormal white blood cell count or leukocyte differential count and abnormal platelet count...
October 17, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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