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https://www.readbyqxmd.com/read/28818563/-lower-lymphocyte-response-in-severe-cases-of-acute-bronchiolitis-due-to-respiratory-syncytial-virus
#1
José Miguel Ramos-Fernández, David Moreno-Pérez, Cristina Antúnez-Fernández, Guillermo Milano-Manso, Ana María Cordón-Martínez, Antonio Urda-Cardona
INTRODUCTION: Acute bronchiolitis (AB) of the infant has a serious outcome in 6-16% of the hospital admitted cases. Its pathogenesis and evolution is related to the response of the T lymphocytes. The objective of the present study is to determine if the lower systemic lymphocytic response is related to a worse outcome of AB in hospitalised infants. PATIENTS AND METHOD: Retrospective observational-analytical study of cases-controls nested in a cohort of patients admitted due to RSV-AB between the period from October 2010 to March 2015...
August 14, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/28817113/clinical-and-histologic-mimickers-of-celiac-disease
#2
REVIEW
Amrit K Kamboj, Amy S Oxentenko
Celiac disease is an autoimmune disorder of the small bowel, classically associated with diarrhea, abdominal pain, and malabsorption. The diagnosis of celiac disease is made when there are compatible clinical features, supportive serologic markers, representative histology from the small bowel, and response to a gluten-free diet. Histologic findings associated with celiac disease include intraepithelial lymphocytosis, crypt hyperplasia, villous atrophy, and a chronic inflammatory cell infiltrate in the lamina propria...
August 17, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28795321/nkg2d-gene-polymorphisms-are-associated-with-disease-control-of-chronic-myeloid-leukemia-by-dasatinib
#3
Ryujiro Hara, Makoto Onizuka, Erika Matsusita, Eri Kikkawa, Yoshihiko Nakamura, Hiromichi Matsushita, Daisuke Ohgiya, Hiromichi Murayama, Shinichiro Machida, Ken Ohmachi, Yukari Shirasugi, Yoshiaki Ogawa, Hiroshi Kawada, Kiyoshi Ando
A recent study reported that treatment-free remission (TFR) of chronic myeloid leukemia (CML) after dasatinib (Das) treatment was significantly associated with natural killer (NK) cell proliferation in the peripheral blood. However, biomarkers to predict lymphocytosis or successful TFR are not well characterized. In order to clarify individual differences in NK cell responses among patients treated with Das, we retrospectively analyzed the association between polymorphisms in the natural killer group 2D receptor [NKG2D; also known as killer cell lectin like receptor K1 (KLRK1)] gene and clinical outcomes in 31 patients treated with Das as first-line treatment for CML...
August 9, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28794368/interstitial-lung-disease-induced-by-osimertinib-for-epidermal-growth-factor-receptor-egfr-t790m-positive-non-small-cell-lung-cancer
#4
Yoshiya Matsumoto, Tomoya Kawaguchi, Norio Yamamoto, Kenji Sawa, Naoki Yoshimoto, Tomohiro Suzumura, Tetsuya Watanabe, Shigeki Mitsuoka, Kazuhisa Asai, Tatsuo Kimura, Naruo Yoshimura, Yuko Kuwae, Kazuto Hirata
A 75-year-old man with stage IV lung adenocarcinoma was treated with osimertinib due to disease progression despite having been administered erlotinib. Both an epidermal growth factor receptor (EGFR) L858R mutation on exon 21 and a T790M mutation on exon 20 were detected in a specimen from a recurrent primary tumor. Five weeks after osimertinib initiation, he developed general fatigue and dyspnea. Chest computed tomography scan revealed diffuse ground glass opacities and consolidation on both lungs. An analysis of the bronchoalveolar lavage fluid revealed marked lymphocytosis, and a transbronchial lung biopsy specimen showed a thickened interstitium with fibrosis and prominent lymphocytic infiltration...
August 10, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28760303/analysis-of-efficacy-and-tolerability-of-bruton-tyrosine-kinase-inhibitor-ibrutinib-in-various-b-cell-malignancies-in-the-general-community-a%C3%A2-single-center-experience
#5
Naveed Ali, Faizan Malik, Syed Imran Mustafa Jafri, Mary Naglak, Mark Sundermeyer, Peter V Pickens
BACKGROUND: Ibrutinib, an irreversible inhibitor of Bruton tyrosine kinase (BTK), is a novel drug that has shown significant efficacy and survival benefit for treatment of various B-cell malignancies. The primary objective of the present study was to investigate the efficacy of ibrutinib therapy in various B-cell malignancies in the general community. The secondary objectives included studying the adverse effects, ibrutinib-induced peripheral lymphocytosis, and effect on immunoglobulin levels...
July 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28758791/celiac-disease-and-other-causes-of-duodenitis
#6
Daniel R Owen, David A Owen
CONTEXT: - Patients who receive an upper gastrointestinal endoscopic examination frequently have biopsies taken from the duodenum. Accurate interpretation of duodenal biopsies is essential for patient care. Celiac disease is a common clinical concern, but pathologists need to be aware of other conditions of the duodenum that mimic celiac disease. OBJECTIVE: - To review the normal histologic features of duodenal mucosa and describe the clinical and histologic findings in celiac disease and its mimics, listing the differentiating features of biopsies with villous atrophy and epithelial lymphocytosis...
July 31, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28753440/cis-drivers-and-trans-drivers-of-bovine-leukemia-virus-oncogenesis
#7
REVIEW
Roghaiyeh Safari, Malik Hamaidia, Alix de Brogniez, Nicolas Gillet, Luc Willems
The bovine leukemia virus (BLV) is a retrovirus inducing an asymptomatic and persistent infection in ruminants and leading in a minority of cases to the accumulation of B-lymphocytes (lymphocytosis, leukemia or lymphoma). Although the mechanisms of oncogenesis are still largely unknown, there is clear experimental evidence showing that BLV infection drastically modifies the pattern of gene expression of the host cell. This alteration of the transcriptome in infected B-lymphocytes results first, from a direct activity of viral proteins (i...
July 25, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28752538/clinicopathologic-features-of-lingual-canine-t-zone-lymphoma
#8
L J Harris, E D Rout, K L Hughes, J D Labadie, B Boostrom, J A Yoshimoto, C M Cannon, P R Avery, E J Ehrhart, A C Avery
Canine T-zone lymphoma (TZL) is a subtype of T-cell lymphoma characterized by unique histologic pattern and cytomorphology, immunophenotypic loss of CD45 expression, and an indolent clinical behaviour. Dogs with TZL typically present with 1 or more enlarged lymph nodes and/or lymphocytosis. We describe a novel extranodal presentation of TZL involving the tongue. Twelve dogs with tongue masses were diagnosed with lingual TZL based on a variable combination of immunophenotyping via flow cytometry, cytology, histopathology, immunohistochemistry and/or PCR for antigen receptor rearrangement (PARR) assay...
July 27, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/28751932/does-regular-exercise-counter-t-cell-immunosenescence-reducing-the-risk-of-developing-cancer-and-promoting-successful-treatment-of-malignancies
#9
REVIEW
James E Turner, Patricia C Brum
Moderate intensity aerobic exercise training or regular physical activity is beneficial for immune function. For example, some evidence shows that individuals with an active lifestyle exhibit stronger immune responses to vaccination compared to those who are inactive. Encouragingly, poor vaccine responses, which are characteristic of an ageing immune system, can be improved by single or repeated bouts of exercise. In addition, exercise-induced lymphocytosis, and the subsequent lymphocytopenia, is thought to facilitate immune surveillance, whereby lymphocytes search tissues for antigens derived from viruses, bacteria, or malignant transformation...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28747414/muscular-sarcocystosis-an-index-case-in-a-native-malaysian
#10
Nurashikin Mohammad, Alwi Muhd Besari, Pradeep Kumar Nair, Wan Syamimee Wan Ghazali
A previously healthy 20-year-old man presented with prolonged intermittent low grade fever and cough for 6months. He had bilateral calf pain and lower limb weakness 2days prior to admission. Physical examination revealed multiple enlarged lymph nodes with hepatomegaly. There was bilateral calf tenderness with evidence of proximal myopathy. Full blood picture showed lymphocytosis with reactive lymphocytes and eosinophilia. Creatine kinase and lactate dehydrogenase were markedly elevated. Over 2 weeks of admission, patient was treated symptomatically until the muscle biopsy of right calf revealed eosinophilic myositis with muscular sarcocystosis...
July 26, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28737623/an-observational-study-of-severe-pertussis-in-100-infants-%C3%A2-120-days-of-age
#11
James D Cherry, Kristen Wendorf, Brooke Bregman, Deborah Lehman, Delma Nieves, John S Bradley, Wilbert H Mason, Linette Sande-Lopez, Merrick Lopez, Myke Federman, Tempe Chen, Dean Blumberg, Samantha Johnston, Hayden T Schwenk, Peggy Weintrub, Kevin K Quinn, Kathleen Winter, Kathleen Harriman
BACKGROUND: Pertussis in young infants is a unique, severe, afebrile, cough illness that is frequently fatal. METHODS: All pertussis cases ≤ 120 days of age admitted to a pediatric intensive care unit (PICU) in California between October 1, 2013 and April 25, 2015 were evaluated. RESULTS: Of 100 pertussis patients ≤ 120 days of age admitted to PICU's, there were 5 deaths. The white blood cell (WBC) counts in the fatal cases were significantly higher than in the non-fatal cases...
July 20, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28731904/monoclonal-gammopathy-of-undetermined-significance-after-kidney-transplantation-single-center-experience
#12
Gaetano Alfano, Francesco Fontana, Elisabetta Colaci, Andrea Messerotti, Francesca Bettelli, Leonardo Potenza, Mario Luppi, Gianni Cappelli
BACKGROUND: Monoclonal gammopathy of undetermined significance (MGUS) is an asymptomatic premalignant plasma cell disorder. Prevalence and clinical outcomes of MGUS in kidney transplant (KT) recipients have been previously reported in few studies with conflicting results. METHODS: We conducted a retrospective study in a population of 548 KT recipients transplanted between 1998 and 2015. RESULTS: Thirty-nine subjects (8.1%) developed MGUS after KT...
July 21, 2017: Transplantation
https://www.readbyqxmd.com/read/28730260/longer-survival-of-a-patient-with-glioblastoma-resected-with-5-aminolevulinic-acid-5-ala-guided-surgery-and-foreign-body-reaction-to-polyglycolic-acid-pga-suture
#13
Raluca Maria Munteanu, Lucian Eva, Bogdan IonuŢ DobrovăŢ, Alin Constantin Iordache, Liviu Pendefunda, Nicoleta Dumitrescu, Doina Mihăilă, Cristina Maria Gavrilescu, Elena Şapte, Ion Poeată
In recent years, there is a growing evidence that using 5-aminolevulinic acid (5-ALA)-guided resection of a cerebral glioblastoma, associated with chemoradiotherapy determine a prolonged survival of these patients, even though this period do not exceed 15 months. 5-ALA is a natural biochemical precursor of heme that is metabolized to fluorescent porphyrins, particularly protoporphyrin IX (PPIX) and no foreign reaction were noted until now. However, foreign body reaction developing in neurosurgery is documented in a few number of cases to suture material, surgical hemostatic material, or surgical glove starch, but up to now we could not find any article about granulomatous inflammation to polyglycolic acid (PGA) suture after brain tumor resection...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28717086/therapy-related-acute-myeloid-leukemia-after-the-long-term-administration-of-low-dose-etoposide-for-chronic-type-adult-t-cell-leukemia-lymphoma-a-case-report-and-literature-review
#14
Naoki Shimada, Nobuhiro Ohno, Ryuji Tanosaki, Shigeo Fuji, Yuhko Suzuki, Koichiro Yuji, Kaoru Uchimaru, Arinobu Tojo
A 61-year-old woman with chronic-type adult T-cell leukemia-lymphoma (ATL) had been taking low-dose oral etoposide for progressive lymphocytosis. After taking this for 3.5 years, she was diagnosed with therapy-related acute myeloid leukemia (t-AML), with a chromosomal translocation of t (6:11) (q27; q23). She thus received remission induction therapy, consolidation therapy, and allogeneic hematopoietic stem cell transplantation. Although both t-AML and ATL were in remissive states, she died of a therapy-related infection within 1 year...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28710302/a-rare-case-of-atypical-chronic-lymphocytic-leukaemia-presenting-as-nephrotic-syndrome
#15
Martina Soldarini, Lucia Farina, Augusto Genderini, Niccolo Bolli
Chronic lymphocytic leukaemia (CLL) is characterised by a lymphocytosis of mature-appearing clonal CD5+, CD23+ B lymphocytes. CLL cells arise from the bone marrow and infiltrate lymphoid tissues such as lymph nodes and spleen. Presentation is usually through discovery of lymphocytosis or lymphadenopathy. Unusual presentations, especially paraneoplastic syndromes are rare. Here, we describe a rare case presenting with severe nephrotic syndrome associated with the presence of a monoclonal protein in serum. Workup for suspected plasma cell dyscrasia led instead to the diagnosis of bone marrow infiltration by atypical CLL without lymphocytosis...
July 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28710237/focal-neurological-presentation-in-hashimoto-s-encephalopathy-mimicking-a-vascular-occlusion-of-the-middle-cerebral-artery
#16
Ahmad Alazzeh, Sarah Jaroudi, Matthew Gooch, Alan N Peiris
Hashimoto's encephalopathy is a rare form of autoimmune encephalopathy. It is likely an underdiagnosed entity especially in the setting of focal neurological defects. We report a case of a 49-year-old man who presented with "strange behavior"of a day's duration. Examination was significant only for lethargy, poor attention span and agitation. Routine labs revealed leucocytosis. Head CT scan was unremarkable. Lumbar puncture showed high white blood cells with lymphocytosis and elevated protein level. The patient was empirically treated for meningitis without improvement...
July 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28708231/ibrutinib-treatment-of-a-patient-with-relapsing-chronic-lymphocytic-leukemia-and-sustained-remission-of-richter-syndrome
#17
Elisa Albi, Stefano Baldoni, Patrizia Aureli, Erica Dorillo, Beatrice Del Papa, Stefano Ascani, Mauro Di Ianni, Franca Falzetti, Paolo Sportoletti
PURPOSE: Richter syndrome (RS) is a rare event in chronic lymphocytic leukemia (CLL) that is influenced by biological factors and prior CLL treatments. Ibrutinib is a Bruton tyrosine kinase inhibitor that has shown remarkable efficacy in CLL; however, little is known about its relationship to RS. We report a case of ibrutinib efficacy against CLL in a patient with prolonged remission of RS. METHODS: The patient was diagnosed with CLL in 2003. Biological findings at onset included absent ZAP70 expression, mutated IGVH, and NOTCH1 mutation...
July 5, 2017: Tumori
https://www.readbyqxmd.com/read/28705467/sarcoidosis-with-fever-and-a-splenic-infarct-due-to-cmv-or-lymphoma
#18
REVIEW
Burke A Cunha, Thulashie Sivarajah, Ismail Jimada
We present a case of an adult female with a past history of pulmonary sarcoidosis who presented with fever, night sweats, profound fatigue, and LUQ abdominal pain. Sarcoidosis is an afebrile disorder (excluding Lofgren's syndrome, Heerfordt's syndrome or neurosarcoidosis). Therefore, the presence of fever with sarcoidosis should suggest infection, usually viral, or lymphoma. Sarcoidosis-lymphoma syndrome describes the evolution of a lymphoma in long standing sarcoidosis. Fever aside, possible lymphoma is suggested by otherwise unexplained fever, pleural unilateral effusion, highly elevated ESR or ferritin levels...
July 10, 2017: Heart & Lung: the Journal of Critical Care
https://www.readbyqxmd.com/read/28679739/absence-of-driver-mutations-in-persistent-polyclonal-b-cell-lymphocytosis-with-binucleated-lymphocytes
#19
Bruno Tesson, Sarah Huet, Béatrice Grange, Laurent Jallades, Lucile Baseggio, Pascale Felman, Alexandra Traverse-Glehen, Jean-Pierre Magaud, Jean-Christophe Lega, Christine Bole-Feysot, Gilles Salles, Evelyne Callet-Bauchu, Pierre Sujobert
No abstract text is available yet for this article.
July 5, 2017: Blood
https://www.readbyqxmd.com/read/28668191/monoclonal-b-cell-lymphocytosis-in-a-hospital-based-uk-population-and-a-rural-ugandan-population-a-cross-sectional-study
#20
Andy C Rawstron, Aloysius Ssemaganda, Ruth de Tute, Chi Doughty, Darren Newton, Anna Vardi, Paul A S Evans, Kostas Stamatopoulos, Roger G Owen, Tracy Lightfoot, Katie Wakeham, Alex Karabarinde, Gershim Asiki, Robert Newton
BACKGROUND: Reported incidence of B-cell malignancies shows substantial geographical variation, being more common in the Americas and Europe than in Africa. This variation might reflect differences in diagnostic capability, inherited susceptibility, and infectious exposures. Monoclonal B-cell lymphocytosis (MBL) is a precursor lesion that can be screened for in apparently healthy people, allowing comparison of prevalence across different populations independently of health-care provision...
July 2017: Lancet Haematology
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