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Atypical Leukemia

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https://www.readbyqxmd.com/read/28713070/the-role-of-cd200-and-cd43-expression-in-differential-diagnosis-between-chronic-lymphocytic-leukemia-and-mantle-cell-lymphoma
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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 >3--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...
June 28, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28656128/atypical-presentation-of-chronic-myelogenous-leukemia
#7
Katelyn Mariko Updyke, Joan Morales-Lappot, Theodore Lee
Chronic myelogenous leukemia (CML) is a clonal myeloproliferative disorder characterized by the presence of the Philadelphia chromosome, t(9;22), which is a constitutively active tyrosine kinase that causes excessive proliferation and differentiation of myeloid cells in the bone marrow. Most patients are either asymptomatic or present with fatigue, abdominal fullness, and splenomegaly. This is a case in which a 72-year-old Caucasian male's initial presentation of CML was new-onset atrial fibrillation, chronic obstructive pulmonary disease (COPD) exacerbation, and pneumonia...
May 26, 2017: Curēus
https://www.readbyqxmd.com/read/28620566/leukemia-cutis-associated-with-secondary-plasma-cell-leukemia
#8
Nicole C DeMartinis, Megan M Brown, Brian R Hinds, Philip R Cohen
Plasma cell leukemia is an uncommon, aggressive variant of leukemia that may occur de novo or in association with multiple myeloma. Leukemia cutis is the cutaneous manifestation of leukemia, and indicates an infiltration of the skin by malignant leukocytes or their precursors. Plasma cell leukemia cutis is a rare clinical presentation of leukemia. We present a man who developed plasma cell leukemia cutis in association with multiple myeloma. Cutaneous nodules developed on his arms and legs 50 days following an autologous stem cell transplant...
May 9, 2017: Curēus
https://www.readbyqxmd.com/read/28619754/antitumor-effect-of-the-atypical-retinoid-st1926-in-acute-myeloid-leukemia-and-nanoparticle-formulation-prolongs-lifespan-and-reduces-tumor-burden-of-xenograft-mice
#9
Leeanna El-Houjeiri, Walid Saad, Berthe Hayar, Patrick Aouad, Nadim Tawil, Rana Abdel-Samad, Rita Hleihel, Maguy Hamie, Angelo Mancinelli, Claudio Pisano, Hiba El Hajj, Nadine Darwiche
Acute myeloid leukemia (AML) is one of the most frequent types of blood malignancies. It is a complex disorder of undifferentiated hematopoietic progenitor cells. The majority of patients generally respond to intensive therapy. Nevertheless, relapse is the major cause of death in AML, warranting the need for novel treatment strategies. Retinoids have demonstrated potent differentiation and growth regulatory effects in normal, transformed and hematopoietic progenitor cells. All-trans retinoic acid (ATRA) is the paradigm of treatment in acute promyelocytic leukemia, an AML subtype...
June 15, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28589114/unexpected-findings-in-a-child-with-atypical-hemolytic-uremic-syndrome-an-example-of-how-genomics-is-changing-the-clinical-diagnostic-paradigm
#10
Eleanor G Seaby, Rodney D Gilbert, Gaia Andreoletti, Reuben J Pengelly, Catherine Mercer, David Hunt, Sarah Ennis
CBL is a tumor suppressor gene on chromosome 11 encoding a multivalent adaptor protein with E3 ubiquitin ligase activity. Germline CBL mutations are dominant. Pathogenic de novo mutations result in a phenotype that overlaps Noonan syndrome (1). Some patients with CBL mutations go on to develop juvenile myelomonocytic leukemia (JMML), an aggressive malignancy that usually necessitates bone marrow transplantation. Using whole exome sequencing methods, we identified a known mutation in CBL in a 4-year-old Caucasian boy with atypical hemolytic uremic syndrome, moyamoya phenomenon, and dysmorphology consistent with a mild Noonan-like phenotype...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28579854/acute-myeloid-leukemia-with-inv-16-p13q22-associated-with-hidden-systemic-mastocytosis-case-report-and-review-of-literature
#11
Feryal Abbas Ibrahim Hilmi, Ahmad Al-Sabbagh, Dina Sameh Soliman, Hesham Al Sabah, Omar Mohammad Ismail, Mohamed Yassin, Halima El-Omri
Systemic mastocytosis (SM) is a condition associated with clonal neoplastic proliferation of mast cells. In up to 40% of systemic mastocytosis cases, an associated clonal hematological disease of non-mast cell lineage, such as acute myeloid leukemia (AML), is diagnosed before, simultaneously with, or after the diagnosis of SM. Herein, we report a case of a 30-year-old man diagnosed with AML with inv(16) (p13;q22) CBFB:MYH11. Associated mastocytosis was not noted at diagnosis and was only detected in the bone marrow at time of remission after successful chemotherapy...
2017: Clinical Medicine Insights. Blood Disorders
https://www.readbyqxmd.com/read/28579851/transformation-of-follicular-lymphoma-to-a-high-grade-b-cell-lymphoma-with-myc-and-bcl2-translocations-and-overlapping-features-of-burkitt-lymphoma-and-acute-lymphoblastic-leukemia-a-case-report-and-literature-review
#12
Alina M Bischin, Russell Dorer, David M Aboulafia
Most commonly, histologic transformation (HT) from follicular lymphoma (FL) manifests as a diffuse large B-cell lymphoma, not otherwise specified (DLBCL, NOS). Less frequently, HT may result in a high-grade B-cell lymphoma (HGBL) with MYC and B-cell lymphoma protein 2 (BCL2) and/or BCL6 gene rearrangements, also known as "double-hit" or "triple-hit" lymphomas. In the 2016 revision of the World Health Organization (WHO) classification of lymphoid neoplasms, the category B-cell lymphoma, unclassifiable was eliminated due to its vague criteria and limiting diagnostic benefit...
2017: Clinical Medicine Insights. Blood Disorders
https://www.readbyqxmd.com/read/28569009/myeloid-sarcoma-identified-on-liquid-based-cervical-cytology-samples-a-report-of-two-cases
#13
Jessica S Snider, Yekaterina Eichel, Alisa M Caudell, Olga S Chajewski, Jack Yang, Kathryn G Lindsey
The purpose of the Papanicolaou (Pap) smear is to detect primary squamous lesions of the uterine cervix. Although most successful at detection of squamous lesions, the Pap may also detect metastatic carcinomas, sarcomas, and melanomas. We report two rare cases of myeloid sarcoma (MS) of the uterine cervix identified on screening Pap smears with concurrent confirmatory cervical biopsies. The purpose of our study is to identify and report cytologic features of MS on Pap smears utilizing a liquid-based ThinPrep method, which has not been previously documented in literature...
May 31, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28559645/comorbidity-between-htlv-1-associated-adult-t-cell-lymphoma-leukemia-and-verrucous-carcinoma-a-case-report
#14
Miller Valencia, Luis Moreno
BACKGROUND: Adult T-cell Leukemia/Lymphoma (ATLL) is classified as a peripheral CD4+ T-cell neoplasm caused by the human T-cell lymphotropic virus type 1 (HTLV-1). Typical symptoms are associated with leukemic infiltration; however, atypical and exaggerated manifestations of verrucous carcinoma have also been described. CASE REPORT: We present here the case of a patient with multiple skin lesions, ischemic necrosis in the hallux and lymphadenopathies. Biopsies were taken, which showed verrucous epidermal carcinoma and cutaneous lymphoma...
March 30, 2017: Colombia Médica: CM
https://www.readbyqxmd.com/read/28548121/ebv-negative-aggressive-nk-cell-leukemia-lymphoma-a-clinical-and-pathological-study-from-a-single-institution
#15
Juehua Gao, Amir Behdad, Peng Ji, Kristy L Wolniak, Olga Frankfurt, Yi-Hua Chen
Aggressive natural killer (NK)-cell leukemia/lymphoma is a systemic NK-cell neoplasm that preferentially affects Asians with a fulminant clinical course and is almost always associated with Epstein-Barr virus (EBV). The data on EBV-negative aggressive NK-cell leukemia/lymphoma are limited. Here we report a series of three patients (two Caucasians, one African-American) with EBV-negative aggressive NK-cell leukemia/lymphoma from a single institution, including a case diagnosed on post-mortem examination. Similar to EBV-positive aggressive NK-cell leukemia/lymphoma, our patients presented with constitutional symptoms and hepatosplenomegaly, and followed a highly aggressive clinical course...
May 26, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28544819/dual-malignancy-in-a-thyroid-papillary-thyroid-carcinoma-and-small-lymphocytic-lymphoma-a-report-of-a-case-with-a-cyto-histologic-correlation
#16
Omar I Ahmed, Ziyan T Salih
Papillary thyroid carcinoma (PTC) is the most common thyroid malignancy. Simultaneous involvement of the thyroid gland by multiple malignancies, is a rare occurrence. Similarly, primary thyroid lymphomas are also rare. We are reporting a rare case of a dual thyroid malignancy; PTC with secondary thyroid involvement by chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL), diagnosed on cytology and confirmed with flow cytometry, histology and immunohistochemistry. Imaging showed two hypermetabolic nodules, one in left parotid gland, and the other in the thyroid isthmus...
May 22, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28540857/an-unusual-case-of-acute-leukemia
#17
Carole Fleury, Marie Passet, Catherine Settegrana, Laurence Simon, Elise Chapiro, Amélie Trinquand, Ines Safra Zaghouani, Madalina Uzunov, Magali Le Garff-Tavernier, Marine Armand, Myrto Costopoulos
We report the case of a 31 year-old man diagnosed with an atypical acute leukemia difficult to characterize cytologically. The immunophenotyping identified a blastic population co-expressing myeloid, lymphoid B and lymphoid T markers suggesting the diagnosis of either a mixed phenotype acute leukemia (MPAL) or an early T-cell precursor acute lymphoblastic leukemia (ETP-ALL). Because of the poor prognosis linked to these leukemias, the patient benefited from chemotherapy targeting both myeloid and lymphoid components, followed by allogeneic hematopoietic stem cell transplantation...
June 1, 2017: Annales de Biologie Clinique
https://www.readbyqxmd.com/read/28527402/a-rare-e13a3-b2a3-bcr-abl1-fusion-transcript-with-normal-karyotype-in-chronic-myeloid-leukemia-the-challenges-in-diagnosis-and-monitoring-minimal-residual-disease-mrd
#18
M-H Duan, H Li, H Cai
Patients with chronic myeloid leukemia (CML) have a t (9;22)(q34;q11.2) or variant translocation that results in a BCR-ABL1 fusion gene. For many years, conventional karyotyping has been used as the standard diagnostic tool for t (9;22) (q34;q11.2). However, it has several limitations that may lead to failure for detecting BCR-ABL1 gene rearrangements in around 5% of all CML patients. Although reverse transcription polymerase chain reaction (RT-PCR) has evolved as a sensitive method for detecting BCR-ABL1 translocation, this method fail to detect certain BCR-ABL1 fusion transcript type, such as e13a3 (also known as b2a3), as a result of many commercially available and laboratory-developed primer sets...
May 12, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28523957/clinical-case-idelalisib-induced-immunoglobulin-flare
#19
Jan Novak, Martin Havrda, Lubica Gaherova, Jan Spicka, Tomas Kozak
IgM flare is a transient, treatment-induced, increase of monoclonal IgM levels in lymphoplasmacytic lymphoma/Waldenström macroglobulinemia (LPL/WM) patients. Until recently this phenomenon was observed in patients treated with Cladribine and Rituximab. Here we report a case of a heavily pretreated chronic lymphocytic leukemia patient with an atypically high immunoglobulin production who developed clinically significant immunoglobulin flare following Idelalisib treatment.
May 19, 2017: Immunopharmacology and Immunotoxicology
https://www.readbyqxmd.com/read/28523571/congenital-immature-pure-erythroid-leukemia-with-e-cadherin-expression
#20
Akihiro Tamura, Suguru Uemura, Atsuro Saito, Saki Okubo, Nanako Nino, Teppei Tahara, Takehito Yokoi, Kenji Kishimoto, Toshiaki Ishida, Daiichiro Hasegawa, Keiichiro Kawasaki, Seiji Yoshimoto, Hideto Nakao, Makiko Yoshida, Yoshiyuki Kosaka
Congenital pure erythroid leukemia is exceedingly rare and poses a diagnostic challenge. We report an atypical case of congenital pure erythroid leukemia that did not express typical erythroid markers. The patient presented with a high white blood cell count with blastic cells at birth. Although flow cytometric analyses of peripheral blood and bone marrow showed a large CD45-negative cell population, we did not identify any evidence of monoclonality. While the circulating blasts decreased with only supportive care, hepatomegaly with multiple nodules was accompanied by liver failure, disseminated intravascular coagulation, and development of hemophagocytic lymphohistiocytosis...
May 18, 2017: International Journal of Hematology
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