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https://www.readbyqxmd.com/read/29464716/richter-transformation-driven-by-epstein-barr-virus-reactivation-during-therapy-related-immunosuppression-in-chronic-lymphocytic-leukemia
#1
Maria J García-Barchino, Maria E Sarasquete, Carlos Panizo, Julie Morscio, Antonio Martinez, Miguel Alcoceba, Vicente Fresquet, Blanca Gonzalez-Farre, Bruno Paiva, Ken H Young, Eloy F Robles, Sergio Roa, Jon Celay, Marta Larrayoz, Davide Rossi, Gianluca Gaidano, Santiago Montes-Moreno, Miguel A Piris, Ana Balanzategui, Cristina Jimenez, Idoia Rodriguez, Maria J Calasanz, Maria J Larrayoz, Victor Segura, Ricardo Garcia-Muñoz, Maria P Rabasa, Shuhua Yi, Jianyong Li, Mingzhi Zhang, Zijun Y Xu-Monette, Noemi Puig-Moron, Alberto Orfao, Sebastian Böttcher, Jesus M Hernandez-Rivas, Jesus San Miguel, Felipe Prosper, Thomas Tousseyn, Xavier Sagaert, Marcos Gonzalez, Jose A Martinez-Climent
The increased risk of Richter transformation (RT) in patients with chronic lymphocytic leukemia (CLL) due to Epstein-Barr virus (EBV) reactivation during immunosuppressive therapy with fludarabine or other targeted agents remains controversial. Among 31 RT cases classified as diffuse large B-cell lymphoma (DLBCL), seven (23%) showed EBV expression. In comparison to EBV-negative tumors, EBV+ DLBCLs derived predominantly from IGVH-hypermutated CLL and exhibited CLL-unrelated IGVH sequences more frequently. Intriguingly, despite having different cellular origins, clonally related and unrelated EBV+ DLBCLs shared a previous history of immunosuppressive chemo-immunotherapy, a non-germinal center DLBCL phenotype, EBV latency programs type II/III, and a very short survival...
February 21, 2018: Journal of Pathology
https://www.readbyqxmd.com/read/29464143/erythrodermic-psoriasis-in-a-man-with-monoclonal-b-cell-lymphocytosis
#2
Stella X Chen, Brian R Hinds, Aaron M Goodman, Philip R Cohen
Erythroderma is characterized by erythema involving greater than 90% of the body surface area and may be caused by several etiologies, including erythrodermic psoriasis. Psoriasis is an autoimmune skin and systemic condition characterized by erythematous and scaly plaques. Monoclonal B-cell lymphocytosis is an asymptomatic hematological disorder diagnosed by elevated, small, clonal B-cell counts in the peripheral blood. The characteristics of a 71-year-old man with new onset of erythrodermic psoriasis and concurrent monoclonal B-cell lymphocytosis are presented...
December 11, 2017: Curēus
https://www.readbyqxmd.com/read/29462726/clinically-diagnosed-mediterranean-spotted-fever-in-malta
#3
Paul Torpiano, David Pace
BACKGROUND: Mediterranean Spotted Fever (MSF) is a tick-borne zoonosis caused by Rickettsia conorii which is endemic in Malta, an island in the South Mediterranean that is a popular tourist destination. Diagnosis is frequently based on clinical manifestations as laboratory results are often limited to a retrospective diagnosis. We describe the clinical presentation, diagnosis and treatment of children <16 years who presented with MSF from 2011 to 2016. METHOD: The demographics, clinical findings, laboratory results, management and outcome of all children hospitalised with suspected MSF based on the presence of fever and an eschar, were retrieved from their case notes...
February 17, 2018: Travel Medicine and Infectious Disease
https://www.readbyqxmd.com/read/29459527/-a-case-of-summer-type-hypersensitivity-pneumonitis-accompanied-by-the-syndrome-of-inappropriate-secretion-of-antidiuretic-hormone
#4
Yukiko Abe, Tsutomu Kawasaki, Kazuhiro Shimaya, Toshihisa Ishikawa, Yuki Kata, Kaori Okayasu, Koji Unoura, Yoichi Nakamura
A 47-year old man presented to our hospital with a 6-month history of malaise, cough and dyspnea on exertion. Laboratory testing revealed the severe hyponatremia. A chest X-ray showed bilateral diffuse micronodules. Anti-Trichosporon asahii antibody and environmental provocation test were positive. Bronchoalveolar lavage fluid showed lymphocytosis and low CD4/8 ratio. The specimens obtained by transbronchial lung biopsy revealed alveolitis. Based on these findings, the patient was diagnosed as having summer-type hypersensitivity pneumonitis (SHP)...
2018: Arerugī, [Allergy]
https://www.readbyqxmd.com/read/29452215/lymphocytic-colitis-pathologic-predictors-of-response-to-therapy
#5
Namrata Setia, Lindsay Alpert, Kimberley Wj van der Sloot, Dora Colussi, Kathleen O Stewart, Joseph Misdraji, Hamed Khalili, Gregory Y Lauwers
While the presence of intraepithelial lymphocytosis with surface epithelial damage is a unifying feature of lymphocytic colitis, there are non-classical features that create morphologic heterogeneity between cases. Limited data are available on the significance of these secondary histologic features. Cases of lymphocytic colitis diagnosed between 2002 and 2013 were identified using the Research Patient Data Registry of a tertiary referral center. Diagnostic biopsy slides were reviewed and evaluated for histologic features of lymphocytic colitis...
February 13, 2018: Human Pathology
https://www.readbyqxmd.com/read/29449433/highly-similar-genomic-landscapes-in-monoclonal-b-cell-lymphocytosis-and-ultra-stable-chronic-lymphocytic-leukemia-with-low-frequency-of-driver-mutations
#6
Andreas Agathangelidis, Viktor Ljungström, Lydia Scarfò, Claudia Fazi, Maria Gounari, Tatjana Pandzic, Lesley-Ann Sutton, Kostas Stamatopoulos, Giovanni Tonon, Richard Rosenquist, Paolo Ghia
Despite the recent discovery of recurrent driver mutations in chronic lymphocytic leukemia, the genetic factors involved in disease onset remain largely unknown. To address this issue, we performed whole-genome sequencing in 11 individuals with monoclonal B-cell lymphocytosis, both of the low-count and high-count subtypes, and 5 patients with ultra-stable chronic lymphocytic leukemia (>10 years without progression from initial diagnosis). All three entities were indistiguishable at the genomic level exhibiting low genomic complexity and similar types of somatic mutations...
February 15, 2018: Haematologica
https://www.readbyqxmd.com/read/29429204/-small-vessel-childhood-primary-angiitis-of-the-central-nervous-system-a-case-report-and-literature-review
#7
J Deng, F Fang, X H Wang, M Ge, L J He, N Zhang
Objective: To summarize the clinical and pathological features of small vessel-childhood primary angiitis of the central nervous system (SV-cPACNS), discuss the immune therapy and increase the attention to brain biopsy in SV-cPACNS. Methods: The clinical data, pathology of brain biopsy, treatment and outcome of an SV-cPACNS patient hospitalized in Beijing Children's Hospital in February 2016 were analyzed retrospectively. The cases reported at Pubmed, CNKI and Wanfang databases from 2007 to 2017 were searched, the clinical and pathological features, immunotherapy and prognosis of the disease were summarized according to the literature review...
February 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29420111/increased-aqueous-humor-cd4-cd8-lymphocyte-ratio-in-sarcoid-uveitis
#8
Namita Dave, Priyanka Chevour, Padmamalini Mahendradas, Anitha Venkatesh, Ankush Kawali, Rohit Shetty, Arkasubhra Ghosh, Swaminathan Sethu
PURPOSE: To determine aqueous humor CD4+/CD8+ T-lymphocyte ratio changes in sarcoid and non-sarcoid uveitis with anterior chamber involvement. METHODS: The case-control study includes 61 patients with either anterior uveitis, intermediate uveitis with anterior spill, or panuveitis. A total of 21 of them were categorized as sarcoid uveitis and 40 as non-sarcoid uveitis according to diagnostic criteria. CD4+/CD8+ ratio in the aqueous humor was determined using flow cytometry...
February 8, 2018: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/29419435/outcomes-of-a-large-cohort-of-individuals-with-clinically-ascertained-high-count-monoclonal-b-cell-lymphocytosis
#9
Sameer A Parikh, Kari G Chaffee, Melissa C Larson, Paul J Hampel, Timothy G Call, Wei Ding, Saad S Kenderian, Jose F Leis, Asher A Chanan-Khan, Michael J Conte, Deborah Bowen, Susan M Schwager, Susan L Slager, Curtis A Hanson, Neil E Kay, Tait D Shanafelt
none.
February 1, 2018: Haematologica
https://www.readbyqxmd.com/read/29415595/reasons-for-initiation-of-treatment-and-predictors-of-response-for-patients-with-rai-stage-0-1-chronic-lymphocytic-leukemia-cll-receiving-first-line-therapy-an-analysis-of-the-connect%C3%A2-cll-cohort-study
#10
Christopher R Flowers, Chadi Nabhan, Neil E Kay, Anthony Mato, Nicole Lamanna, Charles M Farber, Matthew S Davids, Pavel Kiselev, Arlene S Swern, Kristen Sullivan, E Dawn Flick, Jeff P Sharman
A 'watch-and-wait' strategy is recommended for most patients with early-stage chronic lymphocytic leukemia (CLL) prior to treatment initiation. In the Connect® CLL registry, a prospective observational cohort study of 1494 patients treated in 199 US centers, median time to first-line treatment initiation was 3.8, 1.5, and 0.6 years for patients with Rai stage 0, 1, and ≥2, respectively. Only 60% of patients with Rai stage 0/1 underwent FISH/cytogenetic testing prior to initiation of a new line of therapy...
February 7, 2018: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29367368/lamotrigine-induced-drug-reaction-with-eosinophilia-and-systemic-symptoms-dress-during-primary-epstein-barr-virus-ebv-infection
#11
Ibrahim Tawhari, Fawaz Tawhari, Mossab Aljuaid
Drug reaction with eosinophilia and systemic symptoms (DRESS) is a severe, potentially life-threatening idiosyncratic drug reaction that may result in skin eruption, mucous membrane involvement, eosinophilia, atypical lymphocytosis and lymphadenopathy, with wide-ranging internal organ involvement. The authors report the case of a 21-year-old man who was prescribed lamotrigine for anxiety disorder. After 2 weeks of treatment, he developed a pruritic morbilliform rash on his trunk and upper extremities that was associated with fever, sore throat, bilateral scleral injection, nausea, vomiting and abdominal pain...
January 23, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29365279/hiv-gp120-in-lungs-of-art-treated-individuals-impairs-alveolar-macrophage-responses-to-pneumococci
#12
Paul J Collini, Martin A Bewley, Mohamed Mohasin, Helen M Marriott, Robert F Miller, Anna-Maria Geretti, Apostolos Beloukas, Athanasios Papadimitropoulos, Robert C Read, Mahdad Noursadeghi, David H Dockrell
Rationale People living with HIV (PLWH) are at significantly increased risk of invasive pneumococcal disease, despite long-term antiretroviral therapy (ART). The mechanism explaining this observation remains undefined. Objectives We hypothesized apoptosis-associated microbicidal mechanisms, required to clear intracellular pneumococci that survive initial phagolysosomal killing, are perturbed. Methods Alveolar macrophages (AM) were obtained by bronchoalveolar lavage (BAL) from healthy donors or HIV-1-seropositive donors on long-term ART with undetectable plasma viral load...
January 24, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29363279/an-egyptian-hpai-h5n1-isolate-from-clade-2-2-1-2-is-highly-pathogenic-in-an-experimentally-infected-domestic-duck-breed-sudani-duck
#13
M Samir, M Hamed, F Abdallah, V Kinh Nguyen, E A Hernandez-Vargas, F Seehusen, W Baumgärtner, A Hussein, A A H Ali, F Pessler
The highly pathogenic avian influenza (HPAI) H5N1 viruses continue to cause major problems in poultry and can, although rarely, cause human infection. Being enzootic in domestic poultry, Egyptian isolates are continuously evolving, and novel clades vary in their pathogenicity in avian hosts. Considering the importance of domestic ducks as natural hosts of HPAI H5N1 viruses and their likelihood of physical contact with other avian hosts and humans, it is of utmost importance to characterize the pathogenicity of newly emerged HPAI strains in the domestic duck...
January 24, 2018: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29330273/rheumatoid-disease-an-unusual-cause-of-relapsing-meningoencephalitis
#14
Sian K Alexander, Maria Di Cicco, Ute Pohl, Alberto Cifelli
A 73-year-old man presented with three episodes of dysphasia and disinhibited behaviour, a single seizure and transient ischaemic attack-like events characterised by right arm and/or leg weakness. These episodes were separated by month-long asymptomatic intervals. Medical history included rheumatoid arthritis, which was clinically quiescent on leflunomide.Repeated cerebrospinal fluid examination showed a persistent lymphocytosis with mildly reduced glucose and elevated protein; oligoclonal bands and viral PCR were negative...
January 12, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29326353/when-a-marginal-zone-type-lymphocytosis-mimics-large-granular-lymphocytes
#15
Coralie Derrieux, Emilie Klein
No abstract text is available yet for this article.
January 11, 2018: Blood
https://www.readbyqxmd.com/read/29316113/drug-induced-liver-injury-is-frequently-associated-with-severe-cutaneous-adverse-drug-reactions-experience-from-two-australian-tertiary-hospitals
#16
Wendy C Fang, Nikki R Adler, Linda V Graudins, Caitlin Goldblatt, Michelle Sy Goh, Stuart K Roberts, Jason A Trubiano, Ar Kar Aung
BACKGROUND: Drug-induced liver injury can be associated with certain cutaneous adverse drug reactions. AIMS: We aim to demonstrate the prevalence of drug-induced liver injury in patients with cutaneous adverse drug reactions. Severity and patterns of liver injury, risk factors, causal medications and outcomes are also examined. METHODS: A retrospective cohort study of patients with cutaneous adverse drug reactions was conducted across two hospitals in Australia...
January 8, 2018: Internal Medicine Journal
https://www.readbyqxmd.com/read/29302559/peripheral-t-cell-lymphoma-not-otherwise-specified
#17
Kunal Kishor Jha, Suresh K Gupta, Harpreet Saluja, Nuwadatta Subedi
The peripheral T-cell lymphoma, not otherwise specified (PTCL, NOS) belongs to a heterogeneous class of aggressive neoplasms. Although several morphologic subtypes of this tumor have been described, no particular genetic, immunological, or distinct clinical features define this disease. Patients can experience night sweats, fever, lymphadenopathy, weight loss, splenomegaly, and/or skin changes. Common laboratory tests reveal that patients have anemia, thrombocytosis, lymphocytosis, eosinophilia, hypergammaglobulinemia, or increased lactate dehydrogenase...
April 2017: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/29301866/functional-and-clinical-relevance-of-vla-4-cd49d-cd29-in-ibrutinib-treated-chronic-lymphocytic-leukemia
#18
Erika Tissino, Dania Benedetti, Sarah E M Herman, Elisa Ten Hacken, Inhye E Ahn, Kari G Chaffee, Francesca Maria Rossi, Michele Dal Bo, Pietro Bulian, Riccardo Bomben, Elisabeth Bayer, Andrea Härzschel, Julia Christine Gutjahr, Massimiliano Postorino, Enrico Santinelli, Ayed Ayed, Francesco Zaja, Annalisa Chiarenza, Gabriele Pozzato, Alexandre Chigaev, Larry A Sklar, Jan A Burger, Alessandra Ferrajoli, Tait D Shanafelt, Adrian Wiestner, Giovanni Del Poeta, Tanja Nicole Hartmann, Valter Gattei, Antonella Zucchetto
The Bruton's tyrosine kinase (BTK) inhibitor ibrutinib, which antagonizes B cell receptor (BCR) signals, demonstrates remarkable clinical activity in chronic lymphocytic leukemia (CLL). The lymphocytosis experienced by most patients under ibrutinib has previously been attributed to inhibition of BTK-dependent integrin and chemokine cues operating to retain the tumor cells in nodal compartments. Here, we show that the VLA-4 integrin, as expressed by CD49d-positive CLL, can be inside-out activated upon BCR triggering, thus reinforcing the adhesive capacities of CLL cells...
January 4, 2018: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29282627/association-between-splenic-contraction-and-the-systemic-inflammatory-response-after-acute-ischemic-stroke-varies-with-age-and-race
#19
Alicia Zha, Farhaan Vahidy, Jaskaren Randhawa, Kaushik Parsha, Thanh Bui, Jaroslaw Aronowski, Sean I Savitz
Animal models have demonstrated the deleterious contribution of splenic immunocytes on secondary brain injury after stroke. While previous work has demonstrated splenic contraction (SC) in patients with acute ischemic stroke (AIS) and intracranial hemorrhage (ICH), no clinical studies have examined the relationship between the systemic inflammatory response syndrome (SIRS) with SC in stroke patients. This is a retrospective analysis of a previous prospective observational study where daily spleen sizes were evaluated in 178 acute stroke patients...
December 27, 2017: Translational Stroke Research
https://www.readbyqxmd.com/read/29246179/smoldering-mantle-cell-lymphoma
#20
REVIEW
Haige Ye, Aakash Desai, Dongfeng Zeng, Krystle Nomie, Jorge Romaguera, Makhdum Ahmed, Michael L Wang
BACKGROUND: Mantle cell lymphoma (MCL) is an aggressive disease, with poor prognosis and a limited survival. However, some patients with indolent MCL can survive beyond 7~10 years. These patients remain largely asymptomatic and can be in observation for a long time without any treatment. The process of "wait and watch" leaves these patients with the potential risk of evolution to classic, aggressive MCL. On the other hand, early treatment for these patients may not impact overall survival but rather affects the quality of life...
December 15, 2017: Journal of Experimental & Clinical Cancer Research: CR
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