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malignant lymphoma

Verena Clarissa Samara, Adam de Havenon
Acute myelopathy is a rare presentation of systemic T-cell lymphoma. We present the case of a man aged 68 years with a diffuse erythematous maculopapular rash, followed by lower extremity paresthesias and progressive lower extremity weakness. Spinal MRI showed longitudinally extensive T2 hyperintensity with diffuse contrast enhancement. An atypical clonal T-lymphocyte population was identified in cerebrospinal fluid, peripheral blood and bone marrow aspirate, indicating a malignant T-cell lymphoproliferative disorder...
October 21, 2016: BMJ Case Reports
Zhangguo Chen, Katherine Gowan, Sonia M Leach, Sawanee S Viboolsittiseri, Ameet K Mishra, Tanya Kadoishi, Katrina Diener, Bifeng Gao, Kenneth Jones, Jing H Wang
BACKGROUND: Whole genome next generation sequencing (NGS) is increasingly employed to detect genomic rearrangements in cancer genomes, especially in lymphoid malignancies. We recently established a unique mouse model by specifically deleting a key non-homologous end-joining DNA repair gene, Xrcc4, and a cell cycle checkpoint gene, Trp53, in germinal center B cells. This mouse model spontaneously develops mature B cell lymphomas (termed G1XP lymphomas). RESULTS: Here, we attempt to employ whole genome NGS to identify novel structural rearrangements, in particular inter-chromosomal translocations (CTXs), in these G1XP lymphomas...
October 21, 2016: BMC Genomics
Bernice M Benoit, Neha Jariwala, Geraldine O'Connor, Landon K Oetjen, Timothy M Whelan, Adrienne Werth, Andrea B Troxel, Hélène Sicard, Lisa Zhu, Christopher Miller, Junko Takeshita, Daniel W McVicar, Brian S Kim, Alain H Rook, Maria Wysocka
Sézary syndrome (SS), a leukemic variant of cutaneous T-cell lymphoma (CTCL), is associated with a significantly shorter life expectancy compared to skin-restricted mycosis fungoides. Early diagnosis of SS is, therefore, key to achieving enhanced therapeutic responses. However, the lack of a biomarker(s) highly specific for malignant CD4(+) T cells in SS patients has been a serious obstacle in making an early diagnosis. We recently demonstrated the high expression of CD164 on CD4(+) T cells from Sézary syndrome patients with a wide range of circulating tumor burdens...
October 20, 2016: Archives of Dermatological Research
J Han van Krieken
No abstract text is available yet for this article.
September 2016: Journal of Hematopathology
Janet Ayello, Jessica Hochberg, Allyson Flower, Yaya Chu, Laxmi V Baxi, William Quish, Carmella van de Ven, Mitchell S Cairo
NK cells play a significant role in reducing relapse in patients with hematological malignancies following allogeneic stem cell transplantation but NK cell number and naturally occurring inhibitory signals limit their capability. IL-15 and 4-1BBL are important modulators of NK expansion and functional activation. With an aim to overcome these limitations, cord blood (CB) mononuclear cells (MNC) were ex-vivo expanded (EvE) for 7 days with genetically modified K562-mbIL15-41BBL (MODK562) or wildtype K562 (WTK562)...
October 17, 2016: Experimental Hematology
Guangxian Zhang, Xiancheng Zeng, Ren Zhang, Juan Liu, Weici Zhang, Yujun Zhao, Xiaoyuan Zhang, Zhixue Wu, Yuhui Tan, Yingya Wu, Biaoyan Du
BACKGROUND: Hepatocellular carcinoma (HCC) is the most commonly diagnosed malignancy of the liver, occurs frequently in the setting of chronic liver injury. Although multiple therapeutic approaches are available, the prognosis of patients with HCC remains poor. Dioscin is a natural steroid saponin that presents in various plants. The anti-cancer and anti-fibrotic effects have been extensively reported. However, the effect of dioscin on HCC remains unclear. We aimed to investigate the anti-HCC properties of dioscin in vitro and in vivo...
November 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Antonella Caivano, Francesco La Rocca, Vittorio Simeon, Marco Girasole, Simone Dinarelli, Ilaria Laurenzana, Angelo De Stradis, Luciana De Luca, Stefania Trino, Antonio Traficante, Giovanni D'Arena, Giovanna Mansueto, Oreste Villani, Giuseppe Pietrantuono, Luca Laurenti, Luigi Del Vecchio, Pellegrino Musto
PURPOSE: The use of extracellular vesicles (EVs) from body fluids as "liquid biopsies" is emerging as a promising approach for the diagnosis, prognosis and therapeutic monitoring of cancer patients. MicroRNA-155 (miR155), a non-coding transcript of the B-cell integration cluster (BIC) gene, has been reported to play a critical role in the pathogenesis of several types of hematologic malignancies (HMs) in which high miR155 levels have been found. At yet, however, the EV miR155 level and its putative clinical relevance in sera of HM patients have not been reported...
October 19, 2016: Cellular Oncology (Dordrecht)
Angela Ceribelli, Natasa Isailovic, Maria De Santis, Elena Generali, Micaela Fredi, Ilaria Cavazzana, Franco Franceschini, Luca Cantarini, Minoru Satoh, Carlo Selmi
This study aims to characterize myositis-specific antibodies in a well-defined cohort of patients with idiopathic inflammatory myopathy and to determine their association with cancer. Sera from 40 patients with polymyositis, dermatomyositis, and controls were tested by protein and RNA immunoprecipitation to detect autoantibodies, and immunoprecipitation-Western blot was used for anti-MJ/NXP-2, anti-MDA5, and anti-TIF1γ/α identification. Medical records were re-evaluated with specific focus on cancer. Anti-MJ/NXP-2 and anti-TIF1γ/α were the most common antibodies in dermatomyositis...
October 20, 2016: Clinical Rheumatology
Ahmad Z Qureshi, Mohammad AlSheef, Waqas T Qureshi, Waseem Amjad
Adult onset Still's disease (AOSD) is a chronic inflammatory disorder involving multiple systems. The symptoms mimic those of lymphomas, therefore, the diagnosis of lymphoma needs to be excluded prior to establishing the diagnosis of AOSD. Another similar condition is dermatopathic lymphadenopathy (DL). In DL, the histopathological appearance of lymph node biopsy may also mimic AOSD. The DL is associated with several systemic pathologies, such as malignant lymphomas, and rarely AOSD. We present a case of a 43-year-old male presented with 3 months history of fatigue, fever, and lymphadenopathy...
November 2016: Saudi Medical Journal
Tsutomu Takeda, Nobuaki Hattori, Takashi Takeda, Takehiro Noda, Hiroko Takeda
We treated 19 cancer patients with cancer types other than melanoma and lung cancer with immune checkpoint inhibitors, between June 2015 and April 2016. We administered nivolumab at 2-3mg/kg bw every 2-3 weeks. One patient received 14 doses, 5 received 6 doses, 3 received 5 doses, 3 received 4 doses, and 3 received 3 doses. Three remarkably effective responses were seen in cases of pancreatic cancer, esophageal cancer, and brain malignant lymphoma. In every effective case, dendritic cell therapy was administered prior to nivolumab...
October 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
J J Huang, B Li, Q F Liang, X L Xu, F Gao, Z B Zhang
Objective: We aimed to identify and describe the clinical and histopathologic characteristics of conjunctival neoplasms. Methods: Retrospective case series study. We collected and analyzed the clinical and histopathologic data of the conjunctival neoplastic specimens including the age, gender, and histopathologic diagnosis of all patients obtained from Beijing Tongren Eye Center between October 2003 and October 2015. All the pathology diagnosis results were divided into two categories which were benign and malignant tumors, according to Shields histopathological classification methods and the pathology diagnosis results in our department...
October 11, 2016: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
Ivanka S Nenova, Mariana Y Valcheva, Elina A Beleva, Dora Y Tumbeva, Marianna P Yaneva, Emilia L Rancheva, Zhanet G Grudeva-Popova
INTRODUCTION: Autoimmune disorders have been documented in solid tumors and malignant hematological disorders. They are very common and well studied in lymphomas which are associated with immune imbalance. They are less common in solid tumors and are categorized as paraneoplastic syndromes with unclear pathogenesis. AIM: The aim of the present study was to find the frequency of autoimmune phenomena in solid tumors of various origin, location and status of the tumor...
September 1, 2016: Folia Medica
Mar Llamas-Velasco, Victoria Alegría, Ángel Santos-Briz, Lorenzo Cerroni, Heinz Kutzner, Luis Requena
We review the most characteristic clinical and histopathologic findings of the cutaneous manifestations of the occlusive nonvasculitic vasculopathic disorders. Clinically, most of these conditions are characterized by retiform purpura. Histopathologic findings consist of occlusion of the vessel lumina with no vasculitis. Different disorders may produce nonvasculitic occlusive vasculopathy in cutaneous blood and lymphatic vessels, including embolization due to cholesterol and oxalate emboli, cutaneous intravascular metastasis from visceral malignancies, atrial myxomas, intravascular angiosarcoma, intralymphatic histiocytosis, intravascular lymphomas, endocarditis, crystal globulin vasculopathy, hypereosinophilic syndrome, and foreign material...
October 18, 2016: American Journal of Dermatopathology
Giang Huong Nguyen, James Y Wang, Kenneth B Hymes, Cynthia M Magro
Adult T-cell leukemia/lymphoma (ATLL) is a rare and often aggressive lymphoid malignancy known to be associated with human T-cell lymphotropic virus type 1. There are 2 broad categories: acute and chronic. In the acute category, there is a leukemic and a lymphomatous variant, whereas in the designated "chronic" form, there is mild peripheral blood lymphocytosis. The intermediate "smoldering" category is without peripheral blood lymphocytosis with only discernible skin involvement. We present a 68-year-old human T-cell lymphotropic virus type 1 seropositive female with a mild peripheral blood atypical lymphocytosis who had indurated nodules on her hands of 2 years duration and a new scaly ichthyosiform eruption on her lower extremities...
October 12, 2016: American Journal of Dermatopathology
A A H Bressers, N A Goto, S Piepers, J C Regelink
BACKGROUND: Autoimmune encephalitis is a rare condition characterized by subacute development of cognitive and psychiatric symptoms. A paraneoplastic syndrome involves autoimmune encephalitis caused by classic antibodies. Although this condition is often associated with cancer, no malignancy has yet been found in 70-90% of patients at the time of diagnosis. CASE DESCRIPTION: We saw a 58-year-old male patient with fatigue, diarrhoea and weight loss. He was also experiencing hyperekplexia, personality changes and an instable gait...
2016: Nederlands Tijdschrift Voor Geneeskunde
F Bootz, S Greschus, T van Bremen
The parapharyngeal space extends from the nasopharynx to the oropharynx. It is bordered medially by the pharyngeal wall and the constrictor pharyngis muscles, and laterally by the mandible. One distinguishes between a pre- and a poststyloid space. Tumors of the parapharyngeal space are rare and represent less than 1 % of all head and neck neoplasms. Benign (70-80 %) as well as malignant (20-30 %) tumors arise from different structures of the parapharyngeal space, mainly from salivary glands and nerve structures...
October 18, 2016: HNO
Samuel Kim, Richard L Edelson, Brandon Sumpio, Stephanie Kwei, Deepak Narayan
We present a case of a 65-year-old man with cutaneous T-cell lymphoma treated with radiation therapy and an allogeneic hematopoietic stem cell transplant from his human leukocyte antigen-matched brother. Engraftment was successful, but the patient went on to develop painful, radiation-induced ulcers. The ulcers were fat-allografted using liposuctioned fat from his brother because of the patient's unique chimeric state. Postprocedure follow-up revealed epithelialization of the ulcer sites and significant improvement in neuropathic pain...
September 2016: Plastic and Reconstructive Surgery. Global Open
Debasis Gochhait, Pranab Dey, Neelam Verma
BACKGROUND: Multiple myeloma or plasmacytoma resulting in malignant effusion is rarely described in literature. AIMS: In this paper, we have studied the seven rare cases of plasma cell infiltration in effusion fluid. MATERIALS AND METHODS: We studied six cases of pleural fluid and one case of ascetic fluid. Detailed cytological features, clinical history, bone marrow examinations, serum electrophoresis, and immunofixation data were analyzed...
July 2016: Journal of Cytology
Dustin Anderson, Grayson Beecher, Trevor Steve, Ho Jen, Richard Camicioli, Douglas W Zochodne
INTRODUCTION: Hodgkin lymphoma (HL) is a common lymphoid malignancy rarely associated with Guillain-Barré Syndrome (GBS). In most cases, GBS does not precede HL. METHODS: We describe a patient with acute inflammatory demyelinating polyneuropathy (AIDP) who fulfilled criteria for GBS that heralded undiagnosed HL. RESULTS: Cerebrospinal fluid (CSF) studies revealed albuminocytologic dissociation with significant protein elevation (250 mg/dL)...
October 18, 2016: Muscle & Nerve
Álvaro H Borges
PURPOSE OF REVIEW: To review the newest research about the effects of combination antiretroviral therapy (cART) on cancer risk. RECENT FINDINGS: HIV+ persons are at increased risk of cancer. As this risk is higher for malignancies driven by viral and bacterial coinfections, classifying malignancies into infection-related and infection-unrelated has been an emerging trend. Cohorts have detected major reductions in the incidence of Kaposi sarcoma and non-Hodgkin lymphoma (NHL) following cART initiation among immunosuppressed HIV+ persons...
October 15, 2016: Current Opinion in HIV and AIDS
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