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https://www.readbyqxmd.com/read/28548121/ebv-negative-aggressive-nk-cell-leukemia-lymphoma-a-clinical-and-pathological-study-from-a-single-institution
#1
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/28531342/prognostic-significance-of-preoperative-neutrophilia-on-recurrence-free-survival-in-meningioma
#2
Shirin Karimi, Mana V Vyas, Lior Gonen, Raha Tabasinejad, Quinn Ostrom, Jill Barnholtz-Sloan, Suganth Suppiah, Gelareh Zadeh, Kenneth Aldape
Background: Meningioma is the most common primary intracranial tumor and recurrence is one of the important challenges in patient management. Prognostic factors for tumor recurrences in these patients especially before surgical resection are not fully characterized. Several studies have indicated an association between changes in hematologic laboratory parameters with patient outcomes in solid malignancies. We aimed to assess the association between hematological parameters and tumor recurrence in patients with meningioma...
May 20, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28523329/respiratory-bronchiolitis-associated-interstitial-lung-disease-an-unexpected-form-of-idiopathic-interstitial-pneumonia-in-a-young-male
#3
Claudia Lucia Toma, Elena Danteş, Diana Gabriela Leonte, Ariadna Petronela Fildan
Cigarette smoking is the most frequently encountered risk factor for chronic obstructive pulmonary disease and lung cancer. The latest American Thoracic Society÷European Respiratory Society classification of idiopathic interstitial pneumonia includes two entities related to smoking habits: respiratory bronchiolitis-associated interstitial lung disease and desquamative interstitial pneumonia. The new approach to diagnosis is to combine pathological pattern with clinical and radiological data. Lung biopsy is no longer considered the "gold standard" for diagnosis, but as a part of the diagnosis, which shall be set only after the pulmonologist, radiologist and pathologist reviewed all clinical, imaging and pathological aspects...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28512562/morphologic-confounders-and-cd19-negativity-in-a-case-of-hairy-cell-leukemia
#4
Pulkit Rastogi, Sreejesh Sreedharanunni, Uday Yanamandra, Man Updesh Singh Sachdeva, Neelam Varma
OBJECTIVES: We report a case of hairy cell leukemia (HCL) initially misdiagnosed as plasma cell dyscrasia due to various clinical, morphological and immunophenotypic confounders. METHODS AND RESULTS: In a patient diagnosed of marrow plasmacytosis and serum monoclonal protein elsewhere and referred to our hospital, morphological evaluation of bone marrow aspirate smears and trephine biopsy, immunophenotyping, and molecular testing (BRAFV600E mutation) were done. Clinically, the patient was asymptomatic; bone marrow revealed plasmacytosis, mastocytosis, and lymphocytosis with a few "hairy" cells...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28462218/syndrome-of-transient-headache-and-neurologic-deficits-with-cerebrospinal-fluid-lymphocytosis-masquerading-as-meningitis-in-hiv-patient
#5
Moayad Al Hadidi, William D Meng, Khalid Jumean, Amer Hawatmeh
Syndrome of transient headache and neurologic deficits with cerebrospinal fluid lymphocytosis (HaNDL syndrome) is described as "headache attributed to noninfectious inflammatory disease" featuring, as its name suggests, headache that mimics migraine in addition to neurologic symptoms such as hemiparesis, hemiparesthesia and dysphagia. We report a case of a 50-year-old African-American female who presented with headache, malaise and subsequent hemiparesis. Despite bearing a close resemblance to an acute episode of meningitis clinically, cerebrospinal fluid (CSF) analysis of the patient was only positive for isolated elevation in white cell count...
March 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28451478/t-cell-histiocyte-rich-large-b-cell-lymphoma-presented-as-t-lymphoid-hyperplasia-involving-the-central-nervous-system
#6
Mayumi Kubota, Makoto Taniguchi, Shinsuke Tobisawa, Yasuhiro Nakata, Muneo Nakaya, Hiroyuki Tamogami, Manabu Matsunawa, Takashi Komori
We herein report a case of T-cell/histiocyte-rich large B-cell lymphoma which initially presented as a self-limiting T-lymphoproliferative disorder involving multiple extranodal and extrapulmonary organs, such as the salivary gland, the liver, and the central nervous system. Repeated biopsies only revealed polyclonal T-lymphocytosis without the presence of atypical B-cells. Angiocentric cellular infiltration was absent, thus ruling out lymphomatoid granulomatosis. A recurrence in the lymphatic system finally revealed a small population of pathognomonic atypical B-cells, which led to the diagnosis...
March 26, 2017: Curēus
https://www.readbyqxmd.com/read/28449187/distinctive-clinical-characteristics-and-favorable-outcomes-in-patients-with-large-granular-lymphocytosis-after-allo-hct-12-years-follow-up-data
#7
Marc Poch Martell, Nada Hamad, Elizabeth Shin, Joon Ho Moon, Sang Kyun Sohn, Jieun Uhm, Fotios V Michelis, Auro Viswabandya, Jeffrey H Lipton, Hans A Messner, Dennis Dong Hwan Kim
An increase in large granular lymphocytes (LGL) is frequently seen in patients following allogeneic hematopoietic cell transplantation (allo-HCT) and it has been associated with better outcomes in some reports. We assessed 826 consecutive patients at our institution with over 12 years of follow-up for the occurrence of LGL lymphocytosis after allo-HCT. The 3 year cumulative incidence of LGL lymphocytosis was 14.5% with a median duration of over 3.5 years. The developmnet of LGL lymphocytosis was strongly correlated with CMV viremia and GVHD...
April 27, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28447427/the-utility-of-peripheral-blood-smear-review-for-identifying-specimens-for-flow-cytometric-immunophenotyping
#8
REVIEW
F E Craig
Laboratory professionals are in an ideal situation to identify CBC and peripheral blood smear findings that raise the possibility of a hematolymphoid neoplasm, and based on this information make recommendations for additional studies, such as flow cytometric immunophenotyping. In some circumstances a definitive diagnosis can be established from the combined peripheral blood morphologic and immunophenotypic findings obviating the need for bone marrow evaluation, such as for chronic lymphocytic leukemia. Occasionally flow cytometric studies are superior to morphologic assessment, such as in screening for hairy cell leukemia or identifying lymphocytic-variant hypereosinophilia...
May 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28446319/-progress-on-treatment-of-splenic-marginal-zone-lymphoma-review
#9
Ling Wu, Chen Tian, Yi-Zhuo Zhang
Splenic marginal zone lymphoma (SMZL) is an uncommon indolent B-cell non-Hodgkin's lymphoma. The clinical features of SMZL are splenomegaly, lymphocytosis and cytopenia in peripheral blood. Immunopheno-typically, the neoplastic cells are typically positive for CD45, CD20, CD79a, PAX5, IgD, BCL-2. The previous common used treatment is splenectomy and chemotherapy. Nowadays, rituximab-based chemotherapy regimens has improved the curative effect dramaticlly. IFN-α with or without ribavirin can be used to treat the patients with HCV infection...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28444873/hematologic-hepatic-and-renal-function-changes-in-hospitalized-patients-with-middle-east-respiratory-syndrome-coronavirus
#10
J A Al-Tawfiq, K Hinedi, S Abbasi, M Babiker, A Sunji, M Eltigani
BACKGROUND: There are no longitudinal data on the changes in hematologic, hepatic, and renal function findings in patients with Middle East respiratory syndrome coronavirus (MERS-CoV) infection. METHODS: This is a retrospective cohort study of 16 MERS-CoV patients, to describe the hematological, hepatic, and renal findings of patients with MERS-CoV. RESULTS: During the 21 days of observation, there was no significant change in the hepatic panel or creatinine tests...
April 26, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28441377/cd4-positive-t-cell-large-granular-lymphocytosis-mimicking-sezary-syndrome-in-a-patient-with-mycosis-fungoides
#11
Ling Zhang, Magali Van den Bergh, Lubomir Sokol
A white woman aged 65 years presented with a macular, nonscaly, nonpruritic, erythematous lesion on her right breast. Test results revealed histological features similar to lichenoid dermatitis and early-phase primary cutaneous T-cell lymphoma with a subtype of mycosis fungoides (MF). Despite topical therapy with steroids, her skin disease continued to progress, so she underwent polymerase chain reaction and gene mutation testing. Two missense mutations were detected. The overall findings supported a diagnosis of co-occurring, CD4-positive large granular lymphocytosis and stage IA MF...
April 2017: Cancer Control: Journal of the Moffitt Cancer Center
https://www.readbyqxmd.com/read/28436273/proteome-analysis-of-sheep-b-lymphocytes-in-the-course-of-bovine-leukemia-virus-induced-leukemia
#12
Michal Reichert
Presented are the results of a study of the expression pattern of different proteins in the course of bovine leukemia virus-induced leukemia in experimental sheep and I discuss how the obtained data may be useful in gaining a better understanding of the pathogenesis of the disease, diagnosis, and for the selection of possible therapeutic targets. In cattle, the disease is characterized by life-long persistent lymphocytosis leading to leukemia/lymphoma in about 5% of infected animals. In sheep, as opposed to cattle, the course of the disease is always fatal and clinical symptoms usually occur within a three-year period after infection...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28431200/the-utility-of-flow-cytometry-in-differentiating-nk-t-cell-lymphoma-from-indolent-and-reactive-nk-cell-proliferations
#13
Sanjay de Mel, Jenny Bei Li, Muhammad Bilal Abid, Tiffany Pooi Ling Tang, Hui Ming Tay, Wen Chang Ting, Li Mei Poon, Tae Hoon Chung, Benjamin Mow, Allison Tso, Kiat Hoe Ong, Wee Joo Chng, Te Chih Liu
BACKGROUND: The WHO defines three categories of NK cell malignancies; extra nodal NK/T cell lymphoma (NKTCL), aggressive NK cell leukemia, and the provisional entity chronic lymphoproliferative disorder of NK cells (CLPD-NK). Although the flow cytometric (FC) phenotype of CLPD-NK has been described, studies on FC phenotype of NKTCL are limited. To the best of our knowledge ours is the first study to compare the phenotype of NKTCL, CLPD-NK, reactive NK lymphocytosis (RNKL), and normal NK cells using eight color (8C) FC...
April 21, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28427768/syndrome-of-transient-headache-and-neurological-deficits-with-cerebrospinal-fluid-lymphocytosis-handl-in-a-patient-with-confusional-symptoms-diffuse-eeg-abnormalities-and-bilateral-vasospasm-in-transcranial-doppler-ultrasound-a-case-report-and-literature-review
#14
M Hidalgo de la Cruz, R Domínguez Rubio, E Luque Buzo, F Díaz Otero, P Vázquez Alén, J Orcajo Rincón, J Prieto Montalvo, A Contreras Chicote, F Grandas Pérez
INTRODUCTION: HaNDL syndrome (transient headache and neurological deficits with cerebrospinal fluid lymphocytosis) is characterised by one or more episodes of headache and transient neurological deficits associated with cerebrospinal fluid lymphocytosis. To date, few cases of HaNDL manifesting with confusional symptoms have been described. Likewise, very few patients with HaNDL and confusional symptoms have been evaluated with transcranial Doppler ultrasound (TCD). TCD data from patients with focal involvement reveal changes consistent with vasomotor alterations...
April 17, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/28423121/telomere-length-analysis-in-monoclonal-b-cell-lymphocytosis-and-chronic-lymphocytic-leukemia-binet-a
#15
F M Furtado, P S Scheucher, B A Santana, N F Scatena, R T Calado, E M Rego, D M Matos, R P Falcão
Monoclonal B-cell lymphocytosis (MBL) is an asymptomatic clinical entity characterized by the proliferation of monoclonal B cells not meeting the diagnosis criteria for chronic lymphocytic leukemia (CLL). MBL may precede the development of CLL, but the molecular mechanisms responsible for disease progression and evolution are not completely known. Telomeres are usually short in CLL and their attrition may contribute to disease evolution. Here, we determined the telomere lengths of CD5+CD19+ cells in MBL, CLL, and healthy volunteers...
April 13, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28396813/chronic-lymphocytic-leukemia-as-an-unusual-cause-of-rapid-airway-compromise
#16
Adrian R Bersabe, Joshua T Romain, Erin E Ezzell, John S Renshaw
Chronic Lymphocytic Leukemia (CLL) is the most prevalent form of non-Hodgkin's lymphoma (NHL) in Western countries predominantly affecting adults over the age of 65. CLL is commonly indolent in nature but can present locally and aggressively at extranodal sites. Although CLL may commonly present with cervical lymphadenopathy, manifestation in nonlymphoid regions of the head and neck is not well described. CLL causing upper airway obstruction is even more uncommon. We describe a case of a patient with known history of CLL and stable lymphocytosis that developed an enlarging lymphoid base of tongue (BOT) mass resulting in rapid airway compromise...
2017: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/28395688/cross-sectional-evaluation-of-the-bronchitis-severity-score-in-egyptian-children-a-move-to-reduce-antibiotics
#17
E M I Moawad, M A E Haron, R M A Maher, E A A Abdallah, H Hussein, N M Badawy, M E A El-Rheem
BACKGROUND: Despite evidence of limited benefit of antibiotics in acute bronchitis, most paediatric patients are prescribed them. OBJECTIVES: To assess the validity of the Bronchitis Severity Score (BSS) in assessing the clinical response to treatment of acute bronchitis, and determine whether clinical data and basic laboratory measurements can be used to guide antibiotic prescription. METHODS: We enrolled 200 patients (age range 6 months - 12 years) with clinically diagnosed acute bronchitis...
March 29, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28387454/coeliac-disease-and-gastrointestinal-symptom-screening-in-adult-first-degree-relatives
#18
Luis Vaquero, Laura Rodríguez-Martín, Begoña Alvarez-Cuenllas, Mercedes Hernando, Cristina Iglesias-Blazquez, Cristina Menéndez-Arias, Santiago Vivas
BACKGROUND AND AIM: The first-degree relatives (FDRs) of patients with coeliac disease are the main risk group for disease development. To evaluate the screening strategy in FDRs with negative coeliac serology based on human leukocyte antigen (HLA) genotyping, followed by duodenal biopsy, and to analyze the prevalence of gastrointestinal symptoms and the influence of gluten intake. METHODS: Adult FDRs with negative coeliac serology were invited to participate (n = 205), and a total of 139 completed the study protocol...
April 7, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28385786/host-virus-and-pneumococcus-specific-immune-responses-in-high-count-monoclonal-b-cell-lymphocytosis-and-chronic-lymphocytic-leukemia-implications-for-disease-progression
#19
Ignacio Criado, Santiago Muñoz-Criado, Arancha Rodríguez-Caballero, Wendy G Nieto, Alfonso Romero, Paulino Fernández-Navarro, Miguel Alcoceba, Teresa Contreras, Marcos González, Alberto Orfao, Julia Almeida
Patients diagnosed with chronic lymphocytic leukemia display a high incidence of infections due to an associated immunodeficiency that includes hypogammaglobulinemia. A higher risk of infections has also been recently reported for high-count monoclonal B-cell lymphocytosis, while no information is available in low-count monoclonal B-cell lymphocytosis. Here, we evaluated the status of the humoral immune system in patients with chronic lymphocytic leukemia (n=58), as well as in low- (n=71) and high-count (n=29) monoclonal B-cell lymphocytosis vs...
April 6, 2017: Haematologica
https://www.readbyqxmd.com/read/28385288/increased-naive-cd4-and-b-lymphocyte-subsets-are-associated-with-body-mass-loss-and-drive-relative-lymphocytosis-in-anorexia-nervosa-patients
#20
Ana Elegido, Montserrat Graell, Patricia Andrés, Alina Gheorghe, Ascensión Marcos, Esther Nova
Anorexia nervosa (AN) is an atypical form of malnutrition with peculiar changes in the immune system. We hypothesized that different lymphocyte subsets are differentially affected by malnutrition in AN, and thus, our aim was to investigate the influence of body mass loss on the variability of lymphocyte subsets in AN patients. A group of 66 adolescent female patients, aged 12-17 years, referred for their first episode of either AN or feeding or eating disorders not elsewhere classified were studied upon admission (46 AN-restricting subtype, 11 AN-binge/purging subtype, and 9 feeding or eating disorders not elsewhere classified)...
March 2017: Nutrition Research
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