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Small lymphocytic lymphoma

Matthew D Seftel, John Kuruvilla, Tom Kouroukis, Versha Banerji, Graeme Fraser, Michael Crump, Rajat Kumar, Haji I Chalchal, Muhammad Salim, Rob C Laister, Susan Crocker, Spencer B Gibson, Marcia Toguchi, John F Lyons, Hao Xu, Jean Powers, Joana Sederias, Lesley Seymour, Annette E Hay
AT7519M is a small molecule inhibitor of cyclin-dependent kinases 1, 2, 4, 5, and 9 with in vitro activity against lymphoid malignancies. In two concurrent Phase II trials, we evaluated AT7519M in relapsed or refractory chronic lymphocytic leukemia (CLL) and mantle cell lymphoma (MCL) using the recommended Phase II dosing of 27 mg/m(2) twice weekly for 2 of every 3 weeks. Primary objective was objective response rate (ORR). Nineteen patients were accrued (7 CLL, 12 MCL). Four CLL patients achieved stable disease (SD)...
October 17, 2016: Leukemia & Lymphoma
Jai Hyang Go
We present a rare case of lymphocyte-rich classical Hodgkin lymphoma (LRCHL), which exhibited different expression patterns of programmed death-1 (PD-1) in nodular and interfollicular areas. A 57-year-old male patient presented with neck masses. Neck computed tomography showed enlargement of multiple lymph nodes in right Level II and III. Histologic examination of the excised lymph node revealed LRCHL with nodular and interfollicular patterns. Immunohistochemical analysis for PD-1 revealed a small number of weakly stained cells in the interfollicular area...
October 2016: Indian Journal of Pathology & Microbiology
Lan V Pham, Jerry L Bryant, Richard Mendez, Juan Chen, Archito T Tamayo, Zijun Y Xu-Monette, Ken H Young, Ganiraju C Manyam, David Yang, L Jeffrey Medeiros, Richard J Ford
The hexosamine biosynthetic pathway (HBP) requires two key nutrients glucose and glutamine for O-linked N-acetylglucosamine (O-GlcNAc) cycling, a post-translational protein modification that adds GlcNAc to nuclear and cytoplasmic proteins. Increased GlcNAc has been linked to regulatory factors involved in cancer cell growth and survival. However, the biological significance of GlcNAc in diffuse large B-cell lymphoma (DLBCL) is not well defined. This study is the first to show that both the substrate and the endpoint O-GlcNAc transferase (OGT) enzyme of the HBP were highly expressed in DLBCL cell lines and in patient tumors compared with normal B-lymphocytes...
October 3, 2016: Oncotarget
Mahua Sinha, Clementina Rama Rao, C S Premalata, Mohammed Shafiulla, K C Lakshmaiah, Linu Abraham Jacob, Govind K Babu, B K Viveka, L Appaji, Jayshree R Subramanyam
CONTEXT: There is a need to study potential infective etiologies in lymphomas. Lymphocyte-transforming viruses can directly infect lymphocytes, disrupt normal cell functions, and promote cell division. Epstein-Barr virus (EBV) is known to be associated with several lymphomas, especially Hodgkin lymphomas (HLs). And recently, the lymphocyte-transforming role of hepatitis B virus (HBV) has been emphasized. AIMS: The aim of this study was to elucidate the association of two potentially oncogenic, widely prevalent latent DNA viruses, EBV and HBV, in non-HL (NHL)...
July 2016: Indian Journal of Medical and Paediatric Oncology
Alysa Tennese, Pamela J Skrabek, Michel R Nasr, Debora R Sekiguchi, Carmen Morales, Theresa C Brown, Dennis D Weisenburger, Anamarija M Perry
Composite lymphomas consist of 2 or more distinct lymphomas occurring in a single anatomical site or simultaneously in different sites and can be composed of any combination of B-cell non-Hodgkin lymphoma (NHL), T-cell NHL, or Hodgkin lymphoma (HL). Cases of composite lymphomas with more than 2 lymphomas are extremely rare, with only 4 reports in the literature. We report the case of a 49-year-old man with a triple composite lymphoma in a single lymph node, consisting of small lymphocytic lymphoma, follicular lymphoma, and mantle cell lymphoma in situ...
September 29, 2016: International Journal of Surgical Pathology
Bin Wu, Kimberly Ingersoll, Catherine Rehder, Endi Wang
Chronic lymphocytic leukemia (CLL) is an indolent mature B-cell neoplasm. During a prolonged disease course, a secondary B-cell neoplasm may arise in some patients, the most common example being the clonal evolution of CLL to diffuse large B-cell lymphoma, which is referred to as Richter transformation. Secondary de novo mature B-cell neoplasms arising in a patient with pre-existing CLL have been described; however, B-lymphoblastic leukemia (B-ALL) developing in untreated CLL is rare, and its clonal relationship to the primary neoplasm has been an interesting issue...
September 22, 2016: Pathology, Research and Practice
Hany Sakr, Michael Cruise, Prabhleen Chahal, Claudiu Cotta, James Cook, Sricharan Chalikonda, Steven Rosenblatt, Fatima Hamadeh, Omar Al-Nourhji, Charles D Sturgis
Anaplastic lymphoma kinase-positive large B-cell lymphoma (ALK+ LBCL) is a rare distinct type of non-Hodgkin's lymphoma that arises in association with alterations of the ALK gene. This distinct disease entity is typically associated with an aggressive clinical course and appears in light microscopic preparations as a monomorphic population of large, immunoblast-like cells. In this report, we describe a case of ALK+ LBCL diagnosed by transgastric endoscopic ultrasound-guided fine needle aspiration (EUS FNA) of splenic hilar lymph nodes...
September 30, 2016: Diagnostic Cytopathology
Marco Lucioni, Emilio Berti, Luca Arcaini, Giorgio A Croci, Aldo Maffi, Catherine Klersy, Gaia Goteri, Carlo Tomasini, Pietro Quaglino, Roberta Riboni, Mariarosa Arra, Elena Dallera, Vieri Grandi, Mauro Alaibac, Antonio Ramponi, Sara Rattotti, Maria Giuseppina Cabras, Silvia Franceschetti, Giulio Fraternali-Orcioni, Nicola Zerbinati, Francesco Onida, Stefano Ascani, Maria Teresa Fierro, Serena Rupoli, Marcello Gambacorta, Pier Luigi Zinzani, Nicola Pimpinelli, Marco Santucci, Marco Paulli
Categorization of primary cutaneous B-cell lymphomas (PCBCL) other than marginal zone (MZL) represents a diagnostic challenge with relevant prognostic implications. The 2008 WHO lymphoma classification recognizes only primary cutaneous follicular center cell lymphoma (PCFCCL) and primary cutaneous diffuse large B-cell lymphoma, leg type (PCDLBCL-LT), whereas the previous 2005 WHO/EORTC classification also included an intermediate form, namely PCDLBCL, other. We conducted a retrospective, multicentric, consensus-based revision of the clinicopathologic characteristics of 161 cases of PCBCL other than MZL...
September 26, 2016: Cancer Medicine
Fahimeh Asadi-Amoli, Zohreh Nozarian, Hirbod Nasiri Bonaki, Vahid Mehrtash, Samaneh Entezari
BACKGROUND: The most common type of ocular lymphoma is non-Hodgkin lymphoma (NHL), categorized into two groups: indolent (slow growing) and aggressive (rapid growing). Differentiating benign reactive lymphoid hyperplasia (RLH) from malignant ocular adnexal lymphoma (OAL) is challenging. Histopathology, immunohistochemistry (IHC) and ow cytometry have been used as diagnostic tools in such cases. MATERIALS AND METHODS: In this retrospective case series, from 2002 to 2013 at Farabi Eye Center, 110 patients with ocular lymphoproliferative disease were enrolled...
2016: Asian Pacific Journal of Cancer Prevention: APJCP
Catherine A Outerbridge, Stephen D White, Verena K Affolter
OBJECTIVE: To describe a case of testicular neoplasia and alopecia universalis in a dog, and successful treatment of the latter with ciclosporin. ANIMAL: Twelve-year-old intact male wirehaired fox terrier. METHODS: Castration, skin biopsy for histopathology, lymphocyte immunophenotyping and clonality analysis of the canine T-cell receptor gamma locus (TCRγ) rearrangement. RESULTS: The dog presented with symmetrical generalized alopecia...
September 19, 2016: Veterinary Dermatology
Kevin J Freise, Aksana K Jones, Doerthe Eckert, Sven Mensing, Shekman L Wong, Rod A Humerickhouse, Walid M Awni, Ahmed Hamed Salem
BACKGROUND: Venetoclax is a selective, potent, first-in-class B-cell lymphoma-2 inhibitor that restores apoptosis in cancer cells and has demonstrated efficacy in a variety of hematological malignancies. OBJECTIVE: The objective of this research was to characterize the relationship between venetoclax exposures and efficacy and safety in patients with relapsed or refractory (R/R) chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma (SLL). METHODS: A total of 272 and 338 patients from four clinical studies were pooled for the exposure-efficacy and exposure-safety analyses, respectively...
September 15, 2016: Clinical Pharmacokinetics
Susan O'Brien, Jeffrey A Jones, Steven E Coutre, Anthony R Mato, Peter Hillmen, Constantine Tam, Anders Österborg, Tanya Siddiqi, Michael J Thirman, Richard R Furman, Osman Ilhan, Michael J Keating, Timothy G Call, Jennifer R Brown, Michelle Stevens-Brogan, Yunfeng Li, Fong Clow, Danelle F James, Alvina D Chu, Michael Hallek, Stephan Stilgenbauer
BACKGROUND: The TP53 gene, encoding tumour suppressor protein p53, is located on the short arm of chromosome 17 (17p). Patients with 17p deletion (del17p) chronic lymphocytic leukaemia have poor responses and survival after chemoimmunotherapy. We assessed the activity and safety of ibrutinib, an oral covalent inhibitor of Bruton's tyrosine kinase, in relapsed or refractory patients with del17p chronic lymphocytic leukaemia or small lymphocytic lymphoma. METHODS: We did a multicentre, international, open-label, single-arm study at 40 sites in the USA, Canada, Europe, Australia, and New Zealand...
October 2016: Lancet Oncology
Hannah Choe, Jia Ruan
Advances in our understanding of the molecular pathogenesis of B-cell lymphoma have guided the development of targeted therapies that disrupt aberrant signaling pathways important for communication within lymphoma cells and for their interactions with the tumor microenvironment. This has led to unprecedented therapeutic progress, with biologic agents that have begun to transform the care of patients with lymphoma and chronic lymphocytic leukemia. This review discusses the mechanisms of action, clinical development, and emerging applications of small-molecule inhibitors that target B-cell receptor signaling pathways, B-cell lymphoma-2 inhibitors, selective inhibitors of nuclear export, and epigenetic modifiers...
September 15, 2016: Oncology (Williston Park, NY)
Uwe Wollina, Jacqueline Schönlebe, Birgit Heinig, Andreas Nowak, Anastasiya Atanasova Chokoeva, Georgi Tchernev
Non-melanoma skin cancer is the most common type of cutaneous neoplasm worldwide. While basal cell carcinoma is the most common tumor, squamous cell carcinoma (SCC) causes higher morbidity and has a risk of metastatic spread, depending on immune status, tumor size, and desmoplastic growth. We reported the case of a 77 year old male patient with retroauricular tumor, which started growing 3 years ago and was excised, buth relapsed three times. The initial diagnosis was infundibular cyst. Delayed Mohs surgery was performed, as was an additional open lymph node biopsy of the patient's right groin, on the occasion of an indolent swelling of the same which developed within 3 months...
September 8, 2016: Wiener Medizinische Wochenschrift
Sheela V Godbole, Karabi Nandy, Mansi Gauniyal, Pallavi Nalawade, Suvarna Sane, Shravani Koyande, Joy Toyama, Asha Hegde, Phil Virgo, Kishor Bhatia, Ramesh S Paranjape, Arun R Risbud, Sam M Mbulaiteye, Ronald T Mitsuyasu
We utilized computerized record-linkage methods to link HIV and cancer databases with limited unique identifiers in Pune, India, to determine feasibility of linkage and obtain preliminary estimates of cancer risk in persons living with HIV (PLHIV) as compared with the general population.Records of 32,575 PLHIV were linked to 31,754 Pune Cancer Registry records (1996-2008) using a probabilistic-matching algorithm. Cancer risk was estimated by calculating standardized incidence ratios (SIRs) in the early (4-27 months after HIV registration), late (28-60 months), and overall (4-60 months) incidence periods...
September 2016: Medicine (Baltimore)
S N Hoehne, S P McDonough, M Rishniw, K W Simpson
Persistent bacterial infections of the gastrointestinal mucosa are causally linked to gastric carcinoma and mucosa-associated lymphoid tissue (MALT) lymphoma in people and laboratory animals. We examined the relationship of mucosa-associated bacteria to alimentary lymphoma in cats. Intestinal biopsies from 50 cats with alimentary lymphoma (small cell, n = 33; large cell, n = 17) and 38 controls without lymphoma (normal to minimal change on histopathology, n = 18; lymphocytic-plasmacytic enteritis, n = 20) were evaluated...
September 14, 2016: Veterinary Pathology
Aoli Wang, Xiao-E Yan, Hong Wu, Wenchao Wang, Chen Hu, Cheng Chen, Zheng Zhao, Peng Zhao, Xixiang Li, Li Wang, Beilei Wang, Zi Ye, Jinhua Wang, Chu Wang, Wei Zhang, Nathanael S Gray, Ellen L Weisberg, Liang Chen, Jing Liu, Cai-Hong Yun, Qingsong Liu
Ibrutinib, a clinically approved irreversible BTK kinase inhibitor for Mantle Cell Lymphoma (MCL) and Chronic Lymphocytic Leukemia (CLL) etc, has been reported to be potent against EGFR mutant kinase and currently being evaluated in clinic for Non Small Cell Lung Cancer (NSCLC). Through EGFR wt/mutant engineered isogenic BaF3 cell lines we confirmed the irreversible binding mode of Ibrutinib with EGFR wt/mutant kinase via Cys797. However, comparing to typical irreversible EGFR inhibitor, such as WZ4002, the washing-out experiments revealed a much less efficient covalent binding for Ibrutinib...
September 10, 2016: Oncotarget
Fernando Cabanillas, Noridza Rivera, Wandaly I Pardo
BACKGROUND: The expected presentation for low-grade lymphomas consists of disseminated lymphadenopathy with no constitutional symptomsk, and with bone marrow involvement, normal lactate dehydrogenase (LDH), low proliferative rate as determined by Ki-67, and positron emission tomography (PET) scan with low standardized uptake values (SUVs) < 14. However, it is not unusual for some cases to present with 1 or more clinically aggressive features. Because the clinical behavior of such patients has not been investigated, there are no data regarding their expected outcome...
August 10, 2016: Clinical Lymphoma, Myeloma & Leukemia
Artur César, Ana Calistru, Joana Pardal, Sofia Magina, Alberto Mota, Filomena Azevedo
Richter syndrome (RS) is characterized by the development of a high-grade lymphoma in patients with chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL). Herein, we present the case of an 85-year-old woman with a 3-year history of stable asymptomatic CLL that developed a cutaneous RS. The patient presented with painless inflammation in the left leg and foot that was initially diagnosed as a cellulitis infection. She was treated accordingly with ceftriaxone and clindamycin. However, after completing the antibiotic regimen, not only did the inflammation persist, but also superimposed painless nodules gradually appeared on the left leg and foot over the course of four months...
2016: Dermatology Online Journal
Luca Arcaini, Caroline Besson, Marco Frigeni, Helene Fontaine, Maria Goldaniga, Milvia Casato, Marcella Visentini, Harrys A Torres, Veronique Loustaud-Ratti, Jan Peveling-Oberhag, Paolo Fabris, Roberto Rossotti, Francesco Zaja, Luigi Rigacci, Sara Rattotti, Raffaele Bruno, Michele Merli, Céline Dorival, Laurent Alric, Arnaud Jaccard, Stanislas Pol, Fabrice Carrat, Virginia Valeria Ferretti, Carlo Visco, Olivier Hermine
Regression of hepatitis C virus (HCV)-associated lymphoma with interferon-based antiviral treatment supports an etiological link between lymphoma and HCV infection. In addition, a favorable impact of antiviral treatment on overall survival of patients with HCV-related lymphoma has been reported. Data on IFN-free regimens combining direct-acting antivirals (DAAs) in HCV-associated lymphoproliferative disorders are scanty. We analyzed virological and lymphoproliferative disease response (LDR) of 46 patients with indolent B-cell non-Hodgkin lymphomas (NHL) or chronic lymphocytic leukemia (CLL) and chronic HCV infection treated with DAAs...
September 7, 2016: Blood
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