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https://www.readbyqxmd.com/read/30516680/richter-syndrome-presenting-with-colon-localization
#1
Mariadea Lavalle, Laura Maria Minordi, Stefan Hohaus, Riccardo Manfredi, Vittoria Rufini
A 75-year-old man, who had been diagnosed with small lymphocytic lymphoma with cervical localization, underwent F-FDG PET/CT with iodinated contrast medium due to the appearance of cervical swelling suspected of illness relapse. PET/CT revealed intense F-FDG uptake in multiple cervical and subdiaphragmatic lymph nodes and in the left parotid. Moreover, diffuse uptake and wall thickening of the colon were evident; endoscopy with biopsy revealed a diffuse large B-cell lymphoma. Transformation into a more aggressive lymphoma occurs in 2% to 8% of small lymphocytic lymphoma, the so-called Richter syndrome...
December 3, 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/30516619/malignant-lymphoma-of-the-ovary-a-diagnostic-pitfall-of-intraoperative-consultation
#2
Noriaki Iizuka, Yoshihiro Ikura, Yasunori Fukuoka, Takashi Shibata, Masashi Okamoto, Akio Kamiya, Tetsuya Oishi, Fumikazu Kotsuji, Yasuhiro Iwai
Primary ovarian lymphomas are rare, but can potentially evoke diagnostic problems. We present a case of ovarian lymphoma, in which an ambiguous intraoperative pathologic report led to overtreatment (unnecessary surgery). A 73-yr-old woman with fatigue and low-grade fever was diagnosed as having a left ovarian tumor by imaging modalities. Exploratory laparotomy was carried out to confirm the diagnosis. The frozen tissue sections of the ovarian tumor showed condensed proliferation of atypical round cells accompanied with a few small lymphocytes...
December 3, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/30514314/clinical-response-to-isotretinoin-and-interferon-%C3%AE-of-two-dogs-with-cutaneous-epitheliotropic-t-cell-lymphoma-a-case-report
#3
Ga-Won Lee, Su-Bin Song, Min-Hee Kang, Hee-Myung Park
BACKGROUND: There is no specific therapy for cutaneous epitheliotropic T-cell lymphoma (CETL). The administration of retinoids in conjunction with interferon-α (IFN-α) in CETL has not been reported in dogs. CASE PRESENTATION: Two dogs (Shih tzu and Miniature pinscher) presented with multiple nodular skin lesions. Histopathological examination revealed diffuse infiltrations of lymphocytes in the epidermis and dermis, with a CD3-positive immunophenotypic profile...
December 4, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/30514251/expression-of-the-immune-checkpoint-receptor-tigit-in-hodgkin-s-lymphoma
#4
Wenchao Li, Niclas C Blessin, Ronald Simon, Martina Kluth, Kristine Fischer, Claudia Hube-Magg, Georgia Makrypidi-Fraune, Björn Wellge, Tim Mandelkow, Nicolaus F Debatin, Laura Pott, Doris Höflmayer, Maximilian Lennartz, Guido Sauter, Jakob R Izbicki, Sarah Minner, Franziska Büscheck, Ria Uhlig, David Dum, Till Krech, Andreas M Luebke, Corinna Wittmer, Frank Jacobsen, Eike Burandt, Stefan Steurer, Waldemar Wilczak, Andrea Hinsch
Hodgkin's lymphoma (HL) is characterized by a high background of inflammatory cells which play an important role for the pathogenesis of the disease. T cell immunoreceptor with Ig and ITIM domains (TIGIT) is an inhibitory immune checkpoint receptor and a putative target for novel immunotherapies. To study patterns of TIGIT expression in the T cell background surrounding malignant cells including Hodgkin cells, Reed-Sternberg cells and histiocytic cells, a microenvironment (ME) tissue microarray (TMA) was constructed from tissue punches measuring 2 mm in diameter obtained from formalin-fixed tissue samples of Hodgkin's lymphoma lymph nodes (n = 40) and normal human tonsil (n = 2)...
December 4, 2018: BMC Cancer
https://www.readbyqxmd.com/read/30510816/solitary-lytic-bone-metastasis-a-rare-presentation-of-small-lymphocytic-leukemia
#5
Heather Katz, Steven Sagun, Doreen Griswold, Mohamed Alsharedi
Chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma (SLL) is a hematologic malignancy characterized by an over accumulation of incompetent neoplastic lymphocytes. Bone metastasis in CLL/SLL is very rare. We report a case of a 76-year-old Caucasian female presented with an unresolving pulmonary infiltrate with mediastinal lymphadenopathy concerning for malignancy. Positron emission tomography (PET)/computed tomography (CT) showed an infiltrative mass in the mediastinum with diffuse uptake and a hypermetabolic mass within the left iliac bone...
2018: Case Reports in Hematology
https://www.readbyqxmd.com/read/30510251/wiskott-aldrich-syndrome-protein-wasp-is-a-tumor-suppressor-in-t-cell-lymphoma
#6
Matteo Menotti, Chiara Ambrogio, Taek-Chin Cheong, Chiara Pighi, Ines Mota, Seth H Cassel, Mara Compagno, Qi Wang, Riccardo Dall'Olio, Valerio G Minero, Teresa Poggio, Geeta Geeta Sharma, Enrico Patrucco, Cristina Mastini, Ramesh Choudhari, Achille Pich, Alberto Zamo, Roberto Piva, Silvia Giliani, Luca Mologni, Clayton K Collings, Cigall Kadoch, Carlo Gambacorti-Passerini, Luigi D Notarangelo, Ines M Anton, Claudia Voena, Roberto Chiarle
In T lymphocytes, the Wiskott-Aldrich Syndrome protein (WASP) and WASP-interacting-protein (WIP) regulate T cell antigen receptor (TCR) signaling, but their role in lymphoma is largely unknown. Here we show that the expression of WASP and WIP is frequently low or absent in anaplastic large cell lymphoma (ALCL) compared to other T cell lymphomas. In anaplastic lymphoma kinase-positive (ALK+) ALCL, WASP and WIP expression is regulated by ALK oncogenic activity via its downstream mediators STAT3 and C/EBP-β. ALK+ lymphomas were accelerated in WASP- and WIP-deficient mice...
December 3, 2018: Nature Medicine
https://www.readbyqxmd.com/read/30504319/richter-transformation-in-the-era-of-novel-agents
#7
REVIEW
Wei Ding
Recent approvals of several oral targeted agents have revolutionized chronic lymphocytic leukemia (CLL) therapy. However, CLL patients continue to progress; particularly, 4% to 20% of previously treated CLL patients undergo transformation into high-grade lymphoma. Richter transformation is defined as a transformation of CLL into aggressive lymphoma, most commonly diffuse large B-cell lymphoma. These patients typically have poor response to traditional chemotherapy used to treat de novo diffuse large B-cell lymphoma and similar or shorter overall survival (median 3-11 months) in the era of novel agents...
November 30, 2018: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/30501725/-characteristics-of-cd180-expression-and-its-diagnostic-value-in-b-cell-chronic-lymphoproliferative-disorders
#8
Jing Wu, Yan Sheng, Jing-Ni Sui, Xiang-Qin Weng
OBJECTIVE: To investigate the charactcristics of CD180 expression and differentiation diagnostic value in B cell chronic lymphoproliferative disorders (B-CLPD) through detecting the mean fluorescence intensity(MFI)of CD180 in different sub types of B-CLPD,using multiparameter flow cytometry (FCM). METHODS: The CD180 MFI of malignant B cells in 178 patients with B-CLPD was detected by FCM. The level of CD180 MFI in various types of B-CLPD was compared to the normal control group...
December 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/30501700/-relationship-of-the-changes-of-peripheral-blood-immuno-cell-subsets-with-the-prognosis-of-b-cell-lymphoma-patients
#9
Jing-Fei Zhen, Fang Bao, Ming-Xia Zhu, Jing Wang, Ran An, Meng Pang, Hong-Mei Jing
OBJECTIVE: To investigate the relationship of T lymphocyte subsets, B lymphocytes and NK cells with the genesis, progression and prognosis of B cell lymphoma. METHODS: The levels of T lymphocyte subsets, B lymphocytes and NK cells in peripheral blood of healthy control group and B cell lymphoma group were detected by flow cytometry (FCM). The clinical data were collected, and the relationship of these immune indexes with the general conditions, laboratory indexes, curative effect and prognosis were analyzed...
December 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/30501432/inferior-outcomes-and-treatment-disparities-in-elderly-patients-with-classical-hodgkin-lymphoma-a-national-cancer-data-base-analysis
#10
Ajay Major, Matthew W Jackson, Derek E Smith, Manali Kamdar, Rachel Rabinovitch
Elderly patients with classical Hodgkin lymphoma (cHL) are understudied and poorly defined. The National Cancer Data Base was queried for adults with cHL diagnosed 2004-2013: 22,547 age 18-39, 12,841 age 40-59, and 10,873 age ≥60 were identified. Two-year overall survival (OS) was 97%, 91%, and 65% for the three age cohorts, respectively (p < .0001). Elderly patients age ≥60 had greater advanced comorbidity scores, stage III-IV disease, and lymphocyte-depleted histology. Elderly patients were treated less with chemotherapy, radiotherapy for stage I-II disease, and at academic/research centers (p < ...
December 3, 2018: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/30500092/large-b-cell-lymphoma-concommittant-to-intra-cerebral-hemorrhage
#11
Jean-François Lesesve, Delphine Gérard
A 63-year old man presented with intra-cerebral hemorrhage (ICH) confirmed by tomodensitometry. The cerebrospinal fluid (CSF) examination showed a xanthochromic liquid with 1.537 x 109 /L nucleated cells (Body Fluid mode, Sysmex XN-9000, Roissy, Fr), increased red blood cells (RBCs), loose clusters of leptomeningeal cells (fig 1) macrophages and abnormal lymphocytes (fig 2). Interestingly, fresh phagocytosis of intact RBCs by macrophages ("erythrophages", fig 3) or leptomeningeal cells (fig 4), and dark coarse granules into macrophages was observed (fig 5)...
November 30, 2018: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/30499839/the-value-of-prognostic-nutritional-index-in-follicular-lymphoma
#12
Shing Fung Lee, Ting Ying Ng, Frank Chi Sing Wong
OBJECTIVES: Previous studies reported that prognostic nutritional index (PNI), a marker of host inflammatory and nutritional status, is associated with prognoses in a number of cancer types. Thus, we investigated PNI at diagnosis as a prognostic factor in FL. METHODS: We reviewed FL patients in Tuen Mun Hospital, Hong Kong from 2000 to 2014 (n=88). PNI was calculated by serum albumin (g/L)+5×absolute lymphocyte count (10/L). We determined the best PNI cut-off value using receiver-operating characteristic curves...
November 28, 2018: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/30498348/biophysical-bioinformatical-cellular-and-molecular-investigations-on-the-effects-of-graphene-oxide-nanosheets-on-the-hemoglobin-structure-and-lymphocyte-cell-cytotoxicity
#13
Mohammad Mahdi Nejadi Babadaei, Mina Feli Moghaddam, Sara Solhvand, Ehsan Alizadehmollayaghoob, Farnoosh Attar, Elham Rajabbeigi, Keivan Akhtari, Soyar Sari, Mojtaba Falahati
Background: Implementations of nanoparticles have been receiving great interest in medicine and technology due to their unique characteristics. However, their toxic impacts on the biological system are not well explored. Aim: This study aims to investigate the influence of fabricated nano graphene oxide (NGO) sheets on the secondary and quaternary structural alterations of human hemoglobin (Hb) and cytotoxicity against lymphocyte cells. Materials and methods: Different spectroscopic methods, such as extrinsic and synchronous fluorescence spectroscopy and far circular dichroism (CD) spectroscopy, molecular docking investigation, cellular assays (trypan blue exclusion, cellular uptake, ROS, cell cycle, and apoptosis), and molecular assay (fold changes in anti/proapoptotic genes [B-cell lymphoma-2 { BCL2 }/ BAX ] expression levels) were used in this study...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/30497668/mycosis-fungoides-and-s%C3%A3-zary-syndrome-an-update
#14
REVIEW
Cecilia Larocca, Thomas Kupper
Cutaneous T-cell lymphomas are a heterogeneous collection of non-Hodgkin lymphomas that arise from skin-tropic memory T lymphocytes. Among them, mycosis fungoides (MF) and Sézary syndrome (SS) are the most common malignancies. Diagnosis requires the combination of clinical, pathologic, and molecular features. Significant advances have been made in understanding the genetic and epigenetic aberrations in SS and to some extent in MF. Several prognostic factors have been identified. The goal of treatment is to minimize morbidity and limit disease progression...
February 2019: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/30489451/immune-recovery-uveitis-like-syndrome-mimicking-recurrent-t-cell-lymphoma-after-autologous-bone-marrow-transplant
#15
Jeremy A Lavine, Arun D Singh, Kimberly Baynes, Sunil K Srivastava
PURPOSE: To report the multimodal imaging findings of immune recovery uveitis mimicking recurrent T-cell lymphoma after autologous bone marrow transplant therapy. METHODS: A 71-year-old man presented with posterior uveitis 6 weeks after chemotherapy and autologous bone marrow transplant for angioimmunoblastic T-cell lymphoma. Multimodal imaging included fluorescein angiography, fundus autofluorescence, and optical coherence tomography. Diagnostic testing included ocular polymerase chain reaction and diagnostic vitrectomy...
November 26, 2018: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/30488123/acute-epstein-barr-virus-positive-cytotoxic-t-cell-lymphoid-hyperplasia-in-the-upper-aerodigestive-tract-mimicking-extranodal-natural-killer-t-cell-lymphoma-nasal-type
#16
Xie Jianlan, Huang Yuhua, Zheng Yuanyuan, Zhang Yanlin, Wei Ping, Liu Wei, Zhou Xiaoge, Jin Mulan
To describe the clinicopathological features of nine patients with acute Epstein-Barr virus (EBV)-positive cytotoxic T cell lymphoid hyperplasia (EBV+TLH) in the upper aerodigestive tract, in which initial findings led to a preliminary misdiagnosis of extranodal NK/T cell lymphoma, nasal type (ENKTL). A series of nine cases of EBV+TLH in one Chinese institution over a 9-year interval was retrospectively analyzed. Median age was 16 years (range 5-29 years) with a M:F ratio of 5:4. All patients were previously healthy with an acute onset period of < 1 month...
November 28, 2018: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/30486603/prevalence-of-epstein%C3%A2-barr-virus-genotypes-in-pakistani-lymphoma-patients
#17
Sadia Salahuddin, Jabbar Khan, Joharia Azhar, Christopher B. Whitehurst, Ishtiaq Qadri, Julia Shackelford, Joseph S Pagano, Dost Muhammad, Kristy L Richards
The Epstein-Barr virus (EBV) is a herpesvirus infecting more than 90% of the human population. The tropism of EBV for B lymphocytes is evidenced in its association with many lymphoproliferative disorders. Different types of EBV (EBV-1 and EBV-2), classified on the basis of EBV nuclear antigen-2 (EBNA-2) genotyping, have been reported in benign and malignant pathologies, but there is almost no information about their frequency in the Pakistani population. The aim of this study was to determine the frequency and distribution of EBNA-2-based EBV genotypes in lymphoma patients...
November 29, 2018: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/30486592/-lymphomatoid-gastropathy-one-case-report-and-literatures-review
#18
Y Z Zhou, Y Zhang, W Y Zhen, S Y Zhang, J Sun, Z H Lu, W Zhang, D B Zhou, T N Zhu
Objective: To report the first case of lymphomatoid gastropathy in China, and to demonstrate the clinical characteristics, diagnostic approach, treatment and prognosis in this kind of patients. Methods: One patient was diagnosed as lymphomatoid gastropathy at Peking Union Medical College Hospital, and her clinical characteristics, lab data, treatment and follow-up outcomes were reviewed. Results: A case of a 51-year-old female was presented, who underwent esophagogastroduodenoscopy (EGD) due to slight epigastric discomfort...
November 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/30485724/flow-cytometry-immunophenotyping-of-vitreous-specimens-does-not-contribute-to-diagnosis-of-lymphoma-without-supporting-morphologic-features
#19
Colby A Cantu, Cynthia L Green, Thomas J Cummings, Beiyu Liu, Rajesh C Dash
BACKGROUND: Diagnostic vitrectomy with flow cytometry immunophenotyping (FCI) is being increasingly used as part of screening for diagnostically challenging cases. We aim to evaluate the utility of combined cytopathology and FCI in diagnostic pars plana vitrectomy. We also aim to evaluate cytologic features that could potentially predict FCI outcomes. This study provides clearer indications for use of FCI in diagnostic vitrectomy. METHODS: A case series of diagnostic pars plana vitrectomy specimens from 2010 to 2016 from a single institution was retrospectively evaluated...
November 28, 2018: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/30485408/modern-principles-in-the-management-of-nodular-lymphocyte-predominant-hodgkin-lymphoma
#20
REVIEW
Michael A Spinner, Gaurav Varma, Ranjana H Advani
Nodular lymphocyte-predominant Hodgkin lymphoma (NLPHL) is a unique rare subtype of Hodgkin lymphoma (HL) which differs clinically, pathologically and biologically from classic HL, warranting a nuanced approach to treatment. CD20 expression by malignant lymphocyte-predominant cells, a tendency for late relapses, and the risk of transformation to aggressive large B-cell lymphoma are characteristic features with important implications for treatment and follow-up. Recognition of histopathological variant patterns is also critical, with important implications for prognosis and treatment...
November 28, 2018: British Journal of Haematology
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