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Plasmablastic lymphoma

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https://www.readbyqxmd.com/read/28929004/intraocular-plasmablastic-lymphoma-in-a-hiv-patient
#1
Carolline Fontes Alves Mariano, Glauce Lunardelli Trevisan, Antonio Augusto Velasco E Cruz, Fernando Chahud
Plasmablastic lymphoma (PBL) is a rare B-cell lymphoma occurring mainly in HIV patients. The tumor frequently involves extranodal sites such as the oral cavity, nasal cavity, gastrointestinal tract, skin, and lungs. The neoplastic cells are characterized by a plasmablastic appearance and typical immunophenotype that indicates plasma cell differentiation. Herein, we report a case of intraocular involvement by plasmablastic lymphoma in a HIV patient with a long history of cytomegalovirus retinitis and loss of vision...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28916317/presence-of-human-herpesvirus-8-hhv-8-dna-sequences-in-patients-with-lymphoproliferative-diseases-and-chronic-blood-disorders
#2
Hossein Keyvani, Mohammad Hadi Karbalaie Niya, Maryam Esghaei, Farah Bokharaei-Salim, Seyed Hamid Reza Monavari
OBJECTIVE: Human herpesvirus 8 (HHV-8) is the causative agent of Kaposi's sarcoma (KS), but it has also been associated with different hematologic malignancies, including plasmablastic lymphoma, Multicentric Castleman's disease (MCD), primary effusion lymphoma (PEL) and various atypical lymphoproliferative disorders. Patients with underlying lymphoproliferative diseases and chronic blood disorders who become infected with this virus are at risk for human malignancies. This small study reported the frequency of human herpesvirus 8 in 81 Iranian patients with lymphoproliferative disorders for estimation of possible factors affecting malignancy...
September 12, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28913874/an-algorithmic-approach-to-diagnose-haematolymphoid-neoplasms-in-effusion-by-combining-morphology-immunohistochemistry-and-molecular-cytogenetics
#3
L Chen, J S Zhang, D G Liu, D Cui, Z L Meng
OBJECTIVE: There are limited studies of cytology diagnosis of haematopoietic and lymphoid tumours in serosal effusion except for occasional case reports. We would like to demonstrate an algorithmic approach for accurate diagnosis, especially in patients without previous history. METHODS: We reviewed 36 cases of lymphoma diagnosed in serosal effusion following an algorithmic approach. Suspected tumour cells were classified into small, intermediate and large sizes and two characteristic forms of plasmacytoid and Reed Sternberg-like on smears (step 1), followed by utilising panels of immunohistochemical markers and Epstein-Barr encoding region in situ hybridisation on cell blocks (step 2)...
September 15, 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/28893942/kaposi-sarcoma-herpesvirus-pathogenesis
#4
REVIEW
Giuseppe Mariggiò, Sandra Koch, Thomas F Schulz
Kaposi sarcoma herpesvirus (KSHV), taxonomical name human gammaherpesvirus 8, is a phylogenetically old human virus that co-evolved with human populations, but is now only common (seroprevalence greater than 10%) in sub-Saharan Africa, around the Mediterranean Sea, parts of South America and in a few ethnic communities. KSHV causes three human malignancies, Kaposi sarcoma, primary effusion lymphoma, and many cases of the plasmablastic form of multicentric Castleman's disease (MCD) as well as occasional cases of plasmablastic lymphoma arising from MCD; it has also been linked to rare cases of bone marrow failure and hepatitis...
October 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28878909/a-rare-case-of-epstein-barr-virus-related-plasmacytoma-involving-maxillary-sinus-mucosa
#5
Julie D Gibbs, Marino E Leon, Kenia Liu, Johnny Nguyen, Ling Zhang
Extramedullary plasmacytomas, Epstein-Bar virus (EBV) associated, are rarely encountered and usually have a fairly good clinical outcome. EBV+ plasmacytoma may cause a diagnostic dilemma as it phenotypically resembles an aggressive plasmablastic lymphoma (PBL). Herein, we report a unique case with maxillary EBV+ plasmacytoma from a 76-year-old immunocompetent individual.
September 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28860565/interleukin-6-dependent-growth-in-a-newly-established-plasmablastic-lymphoma-cell-line-and-its-therapeutic-targets
#6
Sohtaro Mine, Tsunekazu Hishima, Akihiko Suganuma, Hitomi Fukumoto, Yuko Sato, Michiyo Kataoka, Tsuyoshi Sekizuka, Makoto Kuroda, Tadaki Suzuki, Hideki Hasegawa, Masashi Fukayama, Harutaka Katano
Plasmablastic lymphoma (PBL) is a rare, highly aggressive subtype of non-Hodgkin lymphoma with plasma-cell differentiation occurring typically in immune-suppressed patients such as those with AIDS. This study reports the establishment and characterization of a new cell line, PBL-1, derived from a patient with AIDS-associated PBL. Morphological assessment of PBL-1 indicated plasma-cell differentiation with a CD20(-) CD38(+) CD138(+) immunophenotype and IgH/c-myc translocation. The cell line harbours Epstein-Barr virus, but a 52...
August 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28825948/11c-methionine-avid-plasmablastic-lymphoma
#7
Salvatore Annunziata, Annarosa Cuccaro, Carmelo Caldarella, Lucia Leccisotti, Stefan Hohaus
A 73-year-old woman had a diagnosis of a plasmablastic lymphoma by the excision of the right parotid gland. Two years after the diagnosis, the patient underwent a whole-body C-methionine PET/CT in order to evaluate the amino acid avidity of a scalp metastasis and for plasmablastic lymphoma restaging. C-methionine uptake was detected in the scalp, in several bone sites, and in the cricoid cartilage. Plasmablastic lymphoma is a subtype of B-cell lymphoma with an aggressive behavior and a poor prognosis. C-methionine appears to be a promising tracer for paraprotein-producing neoplasms...
August 19, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28782668/plasmablastic-lymphoma-in-a-patient-with-crohn-s-disease-after-extensive-immunosuppressive-therapy
#8
Gaurav Ghosh, Vinita Jacob, David Wan
No abstract text is available yet for this article.
August 4, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28766549/-analysis-of-inpatient-care-for-hiv-positive-patients-with-malignant-lymphomas-and-hepatitis-over-5-years-2011-2015-at-the-a-s-loginov-moscow-clinical-research-center-moscow-healthcare-department
#9
A V Pivnik, M V Tumanova, A V Chistyakova, G A Dudina, M G Dubnitskaya, O V Mukhin, E P Sergeeva
The authors give their own data in the first Russian publication on 170 patients with lymphomas and hepatitis concurrent with HIV infection, on the distribution of therapy regimens by nosological entities and the number of deaths. Conventional protocols and programs were used for diagnosis and treatment. All the patients received highly active antiretroviral therapy. Lymphoma was treated according to the conventional programs using rituximab in people without hepatitis B. Aggressive lymphomas, such as diffuse large B-cell lymphoma, Burkitt lymphoma, and plasmablastic lymphoma, were identified in most patients...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28746329/plasmablastic-lymphoma
#10
S Bhusal, B Acharya, S Chapagain
Plasmablastic lymphoma is a rare and aggressive lymphoma reported to be commonly associated with immunodeficiency state. It possesses a challenge to the clinician owing it aggressiveness and poor prognosis. No standard of care treatment is available for the disease. Here we report a case of an immunocompetant 67 years female who is unique in her presentation as she did not have any of the conventional clinical features and had a history of urothelial carcinoma three months back.
April 2017: JNMA; Journal of the Nepal Medical Association
https://www.readbyqxmd.com/read/28702410/plasmablastic-lymphoma-in-immunocompetent-and-in-immunocompromised-patients-experience-at-a-regional-cancer-centre-in-india
#11
A H Rudresha, K C Lakshmaiah, Ankit Agarwal, K Govind Babu, D Loknatha, Linu Abraham Jacob, Suresh Babu, K N Lokesh, L K Rajeev
INTRODUCTION: Plasmablastic lymphoma (PBL) is a rare lymphoma associated with immunosuppression. It is strongly associated with immunosuppression (human immunodeficiency virus [HIV]) and often occurs within the oral cavity. PBL is also seen in patients receiving immunosuppressive therapy; however, despite its predisposition for the immunocompromised patients, PBL has been diagnosed in immunocompetent patients. AIM: This study aims to prognostic factors and outcome of PBL in immunocompromised and in immunocompetent patients...
April 2017: South Asian Journal of Cancer
https://www.readbyqxmd.com/read/28701369/synergistic-cooperation-and-crosstalk-between-myd88-l265p-and-mutations-that-dysregulate-cd79b-and-surface-igm
#12
James Q Wang, Yogesh S Jeelall, Peter Humburg, Emma L Batchelor, Sarp M Kaya, Hee Min Yoo, Christopher C Goodnow, Keisuke Horikawa
CD79B and MYD88 mutations are frequently and simultaneously detected in B cell malignancies. It is not known if these mutations cooperate or how crosstalk occurs. Here we analyze the consequences of CD79B and MYD88(L265P) mutations individually and combined in normal activated mouse B lymphocytes. CD79B mutations alone increased surface IgM but did not enhance B cell survival, proliferation, or altered NF-κB responsive markers. Conversely, B cells expressing MYD88(L265P) decreased surface IgM coupled with accumulation of endoglycosidase H-sensitive IgM intracellularly, resembling the trafficking block in anergic B cells repeatedly stimulated by self-antigen...
September 4, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28700895/plasmablastic-lymphoma-presenting-as-exophytic-skin-lesions
#13
Riad El Fakih, Muhamad Almahayni, Maamoun Alsermani
No abstract text is available yet for this article.
July 5, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28679965/plasmablastic-lymphoma-with-unfavorable-chromosomal-abnormalities-related-to-plasma-cell-myeloma-a-borderline-case-between-plasmablastic-lymphoma-and-plasmablastic-plasma-cell-myeloma
#14
Yumi Aoyama, Hiroko Tsunemine, Taiichi Kodaka, Nao Oda, Hirofumi Matsuoka, Tomoo Itoh, Takayuki Takahashi
No abstract text is available yet for this article.
2017: Journal of Clinical and Experimental Hematopathology: JCEH
https://www.readbyqxmd.com/read/28665999/analysis-of-the-role-of-intratecal-liposomal-cytarabine-in-the-prophylaxis-and-treatment-of-central-nervous-system-lymphomatosis-the-balearic-lymphoma-group-experience
#15
Marta García-Recio, Antonia Cladera, Leyre Bento, Julia Dominguez, Silvia Ruiz de Gracia, Francesca Sartori, Raquel Del Campo, Lucia García, Carmen Ballester, Jordi Gines, Joan Bargay, Antonia Sampol, Antonio Gutiérrez
Central nervous system (CNS) lymphomatosis is a fatal complication of aggressive non-Hodgkin lymphoma (NHL). In lymphoblastic or Burkitt lymphoma, without specific CNS prophylaxis the risk of CNS relapse is 20-30%. DLBCL has a lower risk of relapse (around 5%) but several factors increase its incidence. There is no consensus or trials to conclude which is the best CNS prophylaxis. Best results seem to be associated with the use of intravenous (iv) high-dose methotrexate (HDMTX) but with a significant toxicity...
2017: PloS One
https://www.readbyqxmd.com/read/28614800/robust-memory-responses-against-influenza-vaccination-in-pemphigus-patients-previously-treated-with-rituximab
#16
Alice Cho, Bridget Bradley, Robert Kauffman, Lalita Priyamvada, Yevgeniy Kovalenkov, Ron Feldman, Jens Wrammert
Rituximab is a therapeutic anti-CD20 monoclonal antibody widely used to treat B cell lymphoma and autoimmune diseases, such as rheumatic arthritis, systemic lupus erythematosus, and autoimmune blistering skin diseases (AIBD). While rituximab fully depletes peripheral blood B cells, it remains unclear whether some preexisting B cell memory to pathogens or vaccines may survive depletion, especially in lymphoid tissues, and if these memory B cells can undergo homeostatic expansion during recovery from depletion...
June 15, 2017: JCI Insight
https://www.readbyqxmd.com/read/28608720/diagnostic-algorithm-of-common-mature-b-cell-lymphomas-by-immunohistochemistry
#17
Huan-You Wang, Youli Zu
CONTEXT: - Different types of mature B-cell lymphomas, including plasma cell neoplasms, exhibit distinct immunohistochemical profiles, which enable them to be correctly diagnosed. However, except for rare examples of lymphoma-specific immunohistochemistry, such as cyclin D1 in mantle cell lymphoma and annexin A1 in hairy cell leukemia, immunohistochemical profiles of mature B-cell lymphomas overlap and lack specificity. OBJECTIVES: - To systemically review immunohistochemical features associated with commonly encountered mature B-cell lymphomas based on the presence or absence of CD5 and CD10; to review the immunophenotypic profile of plasma cells derived from plasma cell myelomas and B-cell lymphomas; and to review a group of rare, aggressive B-cell lymphomas with antigen expression features of plasma cells...
September 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28608188/-hiv-associated-plasmablastic-lymphoma-of-the-paranasal-sinuses-an-incidental-finding
#18
V Weber, K Helling, C Matthias
A 48-year-old female patient presented to the ENT department of the University Medical Center of the Johannes Gutenberg University Mainz with subfebrile temperatures, one-sided nasal obstruction, and left-sided cephalgia. Clinical examination and CT scans showed a mass occupying the left nasal cavity and left paranasal sinuses. Further diagnosis and histopathological examination showed an HIV-associated plasmablastic lymphoma of the left paranasal sinuses. This case report with literature review discusses the diagnosis and treatment of this rare nasal tumor...
June 12, 2017: HNO
https://www.readbyqxmd.com/read/28592757/hiv-negative-plasmablastic-lymphoma-attaining-sustained-remission-with-bortezomib-combined-dose-adjusted-epoch-therapy
#19
Hiroyuki Kobayashi, Norito Miyagi
A 61-year-old, HIV-negative, immunocompetent woman was admitted to our hospital for significant weight loss, painful swelling of her right cheek, and rapid growth of a tumor in the right hard palate. A CT scan revealed a neoplastic lesion in the right maxillary sinus, extending to the surrounding soft bone tissue and oral cavity, as well as multiple osteolytic lesions in the skull. A pathologic examination revealed that the neoplastic cells in the oral cavity were plasmablasts tending to appear as differentiated plasma cells...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28588836/a-case-of-hiv-negative-plasmablastic-lymphoma-of-the-bone-marrow-with-a-unique-immunophenotype
#20
Christopher Dittus, Shayna Sarosiek
We present an interesting case of plasmablastic lymphoma, which is a rare type of non-Hodgkin lymphoma that is typically diagnosed in HIV-positive patients and has an immunophenotype that overlaps with multiple myeloma. Our patient is unique because he is HIV-negative, has primary bone marrow disease, and has an atypical immunophenotype.
June 2017: Clinical Case Reports
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