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Small lymphocytic lymphoma

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https://www.readbyqxmd.com/read/28640256/microrna-26a-cyclin-dependent-kinase-5-axis-controls-proliferation-apoptosis-and-in-vivo-tumor-growth-of-diffuse-large-b-cell-lymphoma-cell-lines
#1
Floriana Maria Farina, Alessandra Inguscio, Paolo Kunderfranco, Alice Cortesi, Leonardo Elia, Manuela Quintavalle
Diffuse large B-cell lymphoma (DLBCL) is the most frequent type of non-Hodgkin lymphoma. Despite a favorable therapeutic response to first-line chemo-immunotherapy, still 30-40% of patients is refractory, or relapse after this treatment. Thus, alternative strategies must be sought. Previous studies have indicated that cyclin-dependent kinase 5 (CDK5), a serine/threonine protein kinase, is involved in tumor development and progression, and it may represent a potential therapeutic target. However, its role in modulating DLBCL growth and progression remains largely unexplored...
June 22, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28608042/-granulomatous-reaction-pattern-of-the-skin-interstitial-granulomatous-dermatitis-lymphoma-vasculitis
#2
REVIEW
C Rose, K Holl-Ulrich
A particular diagnostic situation in the classification of a granulomatous dermatitis results when no circumscribed granulomas but instead a diffuse interstitial histiocytic inflammatory infiltrate, a granulomatous vasculitis or a neoplastic lymphocytic infiltrate is found. Interstitial granulomatous dermatitis was originally described in patients with arthritis. Later, it was recognized that there are also associations with other usually immunological diseases. Differentiating between interstitial granulomatous dermatitis and the interstitial form of granuloma annulare, early morphea and variants of borreliosis or scleromyxedema as well as interstitial granulomatous drug reaction can be very difficult...
June 12, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28606732/constitutive-and-acquired-mechanisms-of-resistance-to-immune-checkpoint-blockade-in-human-cancer
#3
Matteo Bellone, Angela Rita Elia
Cancer immunotherapy with monoclonal antibodies directed against regulatory pathways in T lymphocytes has been revolutionizing medical oncology, and the clinical success of monoclonal antibodies targeting either cytotoxic T lymphocyte antigen-4 (CTLA-4) or program death-1 (PD-1) in patients affected by melanoma, Hodgkin's lymphoma, Merkel cell carcinoma, and head and neck, bladder, renal cell or non-small cell lung cancer is way beyond the most optimistic expectation. However, immune checkpoint blockade (ICB) has failed to arrest progression in a consistent amount of patients affected by those tumors, and various histological types, including breast, colon and prostate cancer, are less sensitive to this therapeutic approach...
June 2, 2017: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/28587400/improvement-of-cytomegalovirus-pp65-dna-vaccine-efficacy-by-co-administration-of-sirnas-targeting-bak-and-bax
#4
Jixiao Liu, Keke Feng, Lu Zhao, Haining Luo, Yingjun Zhu
The efficacy of DNA vaccines may be improved by small interfering (si)RNA adjuvants targeting pro-apoptotic genes. The aim of the present study was to investigate the capacity of siRNAs targeting B-cell lymphoma 2 homologous antagonist killer (BAK) and B-cell lymphoma 2-associated X protein (BAX) to improve the efficacy of a cytomegalovirus (CMV) vaccine. BALB/c mice were divided into four groups (n=18 in each): unimmunized and immunized with pcDNA 3.1-pp65 expressing CMV 65 kDa matrix phosphoprotein and BAK + BAX siRNAs, pcDNA 3...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28585612/-recent-advances-of-immunooncology-in-the-treatment-of-solid-tumours-and-haematological-malignancies-the-immune-checkpoint-inhibitors
#5
Viktória Fésüs
Cancer immunotherapy is coming of age, as outstanding results can be achieved in the therapy of cancer with poor prognosis by altering the patients' immune system and by promoting the immune response against tumours. Amongst immunotherapies, the immune checkpoint inhibitors (ICI) proved to be the most effective, primarily in the treatment of solid tumours, including melanoma, non-small cell lung carcinoma, and classical Hodgkin's lymphoma. The reason for this efficacy is the immunosuppressive microenvironment typical for many cancer types, directly and indirectly inhibiting effector T-cell responses...
June 6, 2017: Magyar Onkologia
https://www.readbyqxmd.com/read/28584377/neurolymphomatosis-in-primary-cutaneous-cd4-pleomorphic-small-medium-sized-t-cell-lymphoma-mimicking-hansen-s-disease
#6
Anza Khader, Mary Vineetha, Mamatha George, Shiny Padinjarayil Manakkad, Sunitha Balakrishnan, Uma Rajan
Neurolymphomatosis (NL) refers to nerve infiltration by neurotropic neoplastic cells in the setting of a known or an unknown hematological malignancy. It typically presents as painful or painless peripheral mononeuropathy, mononeuritis multiplex, polyneuropathy, polyradiculopathy, or cranial neuropathy. A 32-year-old male presented with a hyperpigmented hypoesthetic plaque over the anterolateral aspect of the right leg with thickening of the right common peroneal nerve and foot drop clinically diagnosed as Hansen's disease...
May 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28582343/intravascular-lymphocytic-accumulation-in-the-uterine-cervix-a-frequent-finding
#7
Georgia Karpathiou, Pierre Dal, Celine Chauleur, Michel Peoc'h
Intravascular accumulation of lymphocytes in any body site can raise concerns for a lymphoproliferative disorder, mainly intravascular lymphoma, leukemia, or a form of angiocentric lymphoma. We recently found an intravascular lymphocytic accumulation of non-neoplastic nature in a uterine cervix. The aim of the study was to define the frequency and the nature of this observation in the uterine cervix. Thirty cervical excision specimens including 23 cone biopsies and 7 hysterectomies were examined for the presence of intravascular accumulation of lymphocytes...
June 2, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28570392/primary-cutaneous-small-cell-variant-of-anaplastic-large-cell-lymphoma-a-case-series-and-review-of-the-literature
#8
Cynthia M Magro, Shabnam Momtahen, Maija Kiuru
Primary cutaneous anaplastic large cell lymphoma (ALCL), similar to systemic ALCL, has as its histomorphologic hallmarks cohesive sheets of large lymphoid cells expressing CD30. Several morphologic variants of systemic ALCL have been reported, including the common (classic) type, lymphohistiocytic, and small cell variants. The small cell variant of ALCL is characterized by a predominant cytomorphology which is unexpected for ALCL, being in the context of a small- to medium-sized hyperchromatic atypical lymphocyte...
May 22, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28556532/feline-large-granular-lymphocyte-lymphoma-an-italian-society-of-veterinary-oncology-sioncov-retrospective-study
#9
R Finotello, M E Vasconi, S Sabattini, C Agnoli, C Giacoboni, M Annoni, A Dentini, G Bettini, P Guazzi, D Stefanello, E Bottero, P Mesto, R Marinelli, C De Feo, L Marconato
Feline large granular lymphocyte (LGL) lymphoma is an uncommon subtype of lymphoma characterized by a grave prognosis and scarce response to chemotherapy. There are limited reports on clinico-pathological and prognostic factors. One-hundred and 9 cats with newly diagnosed LGL lymphoma that underwent initial staging (including hematology, serum biochemistry, thoracic radiographs and abdominal ultrasound), and followed-up were retrospectively evaluated. LGL lymphoma was localized within the gastrointestinal tract with or without extra-intestinal involvement in 91...
May 29, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/28551676/hodgkin-lymphoma-transformation-of-chronic-lymphocytic-leukemia-under-ibrutinib-therapy-chance-association-or-therapy-related
#10
Sotirios Sachanas, Gerassimos A Pangalis, Maria Moschogiannis, Xanthi Yiakoumis, Efstathios Koulieris, Pantelis Tsirkinidis, Christina Kalpadakis, Dimitra Rontogianni
The established treatment algorithms for chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma (SLL) are currently challenged by novel classes of drugs, with ibrutinib being one of the most effective. Published data suggest that patients with early progression under ibrutinib often emerge as having Richter's transformation (RT) with a rapidly fatal prognosis, mostly developing diffuse large B-cell lymphoma (DLBCL). In this respect, it is known that RT to large DLBCL occurs in about 5% of patients with CLL during the disease course and less frequently to Hodgkin lymphoma (HL)...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28549432/dendritic-cells-combined-with-tumor-cells-and-%C3%AE-galactosylceramide-induce-a-potent-therapeutic-and-nk-cell-dependent-antitumor-immunity-in-b-cell-lymphoma
#11
Laura Escribà-Garcia, Carmen Alvarez-Fernández, Marta Tellez-Gabriel, Jorge Sierra, Javier Briones
BACKGROUND: Invariant natural killer T (iNKT) cells are a small population of lymphocytes with unique specificity for glycolipid antigens presented by non-polymorphic CD1d receptor on dendritic cells (DCs). iNKT cells play a central role in tumor immunology since they are implicated in the coordination of innate and adaptive immune responses. These cells can be activated with the prototypic lipid α-galactosylceramide (α-GalCer), stimulating interferon gamma (IFN-γ) production and cytokine secretion, which contribute to the enhancement of T cell activation...
May 26, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28549038/use-of-smooth-muscle-myosin-heavy-chain-as-an-effective-marker-of-follicular-dendritic-cells
#12
Ioannis Ioannidis, Javier A Laurini
Smooth muscle myosin heavy chain (SMMHC) is a major structural component of the contractile apparatus in smooth muscle cells. Even though it is considered a relatively specific marker for terminal smooth muscle cell differentiation, expression in other cell types such as follicular dendritic cells (FDCs) has rarely been reported. To determine whether SMMHC represents an effective FDC marker in lymphoid tissues, we compared the immunohistochemical results for SMMHC with those of the traditional FDC markers podoplanin (D2-40) and CD21...
May 25, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28547984/two-neoplasms-rich-in-small-lymphocytes-b1b2-thymoma-and-small-lymphocytic-lymphoma-intermingled-in-one-tumor-mass-a-case-report
#13
Malgorzata Szolkowska, Renata Langfort, Sebastian Winiarski, Jacek Zaremba, Monika Prochorec-Sobieszek, Grzegorz Rymkiewicz, Piotr Jaskiewicz, Dariusz M Kowalski
We present a case of a 52-year-old man with myasthenia gravis and a mediastinal tumor who was admitted to our hospital for surgical treatment. The pathologic examination of the resected tumor revealed a very rare case of a collision tumor: a B1B2 thymoma and a small lymphocytic lymphoma. Flow cytometry of the peripheral blood revealed the presence of a small number of leukemic cells. After postoperative irradiation of the mediastinum and chemotherapy a complete response in both diseases was achieved. The case confirms that a pathologist should always be aware that two different neoplasms can coexist in rare cases...
2017: Polish Journal of Pathology: Official Journal of the Polish Society of Pathologists
https://www.readbyqxmd.com/read/28544819/dual-malignancy-in-a-thyroid-papillary-thyroid-carcinoma-and-small-lymphocytic-lymphoma-a-report-of-a-case-with-a-cyto-histologic-correlation
#14
Omar I Ahmed, Ziyan T Salih
Papillary thyroid carcinoma (PTC) is the most common thyroid malignancy. Simultaneous involvement of the thyroid gland by multiple malignancies, is a rare occurrence. Similarly, primary thyroid lymphomas are also rare. We are reporting a rare case of a dual thyroid malignancy; PTC with secondary thyroid involvement by chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL), diagnosed on cytology and confirmed with flow cytometry, histology and immunohistochemistry. Imaging showed two hypermetabolic nodules, one in left parotid gland, and the other in the thyroid isthmus...
May 22, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28541116/imbruvica-%C3%A2-%C3%A2-ibrutinib-patient-support-programme-for-chronic-lymphocytic-leukaemia-and-mantle-cell-lymphoma
#15
Vidhya Murthy, Susan Weaving, Shankara Paneesha
Single-agent ibrutinib is an effective therapy for three types of non-Hodgkin lymphoma: chronic lymphocytic leukaemia (CLL) and small lymphocytic lymphoma, both in relapsed and refractory cases and as a frontline treatment; relapsed and refractory mantle cell lymphoma; and Waldenstrom's macroglobulinaemia in patients who have been treated previously with a different medication. This novel agent has changed the landscape for the aforementioned three subtypes of lymphoma therapies as an oral alternative to traditional chemoimmunotherapy...
May 25, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28533926/concomitant-lymphoplasmacytic-lymphoma-and-plasma-cell-myeloma-a-diagnostic-challenge
#16
Ahmad T Mansour, Alaleh Esmaeili Shandiz, Michelle K Zimmerman, Trenton D Roth, Jiehao Zhou
BACKGROUND: Lymphoplasmacytic lymphoma and plasma cell myeloma are two B cell lymphoproliferative neoplasms derived from mature B-lymphocytes in different differentiation stages. The coexistence of these two tumors in the same patient is exceedingly rare and can be difficult to diagnose. CASE PRESENTATION: A 76-year-old male presented with a pathologic fracture after a fall. Radiography showed a lytic lesion in the pelvis. Serum immunofixation showed distinct IgM kappa and IgA kappa monoclonal protein bands...
2017: American Journal of Blood Research
https://www.readbyqxmd.com/read/28533834/-splenic-marginal-zone-lymphoma
#17
Sinaa Mohamed
Splenic marginal zone lymphoma (SMZL) is a rare B-cell lymphoma, well defined according to the 2016 WHO classification of tumors of the hematopoietic tissue, which can raise diagnostic problems. We report the case of a 72-year old patient, hospitalised for exploration of a massive splenomegaly confirmed by computed tomography (CT). Laboratory tests were normal. The patient underwent splenectomy. Microscopic examination of the surgical specimen showed widespread lymphomatous proliferation in small cells associated with CD20 marker...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28514780/two-distinct-bcl2-rearrangements-each-observed-in-2-independent-subclones-evolving-from-a-founder-clone-with-trisomy-12-in-a-unique-case-of-chronic-lymphocytic-leukemia-small-lymphocytic-lymphoma
#18
https://www.readbyqxmd.com/read/28511955/chronic-diarrhea-caused-by-chronic-lymphocytic-leukemia-and-small-lymphocytic-lymphoma-with-colorectal-involvement
#19
Chencheng Xie, Khalil Aloreidi, Jorge Gilbert
No abstract text is available yet for this article.
May 13, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28505007/al-amyloidoma-of-the-skin-subcutis-cutaneous-amyloidosis-plasma-cell-dyscrasia-or-a-manifestation-of-primary-cutaneous-marginal-zone-lymphoma
#20
Noreen M Walsh, Ian Marie Lano, Peter Green, Christopher Gallant, Sylvia Pasternak, Thai Yen Ly, Luis Requena, Heinz Kutzner, Andreas Chott, Lorenzo Cerroni
It is unclear whether AL amyloidoma of the skin/subcutis represents a distinct entity, an indolent precursor of systemic amyloidosis, or a manifestation of cutaneous marginal zone lymphoma (cMZL). We collected 10 cases of cutaneous AL amyloidoma in order to better characterize the clinicopathologic features of this elusive entity (M:F=4:6; median age: 62.5 y, range: 31 to 82 y). Nine patients had a solitary nodule or plaque on the lower extremity (n=7), upper extremity (n=1), or chin (n=1). One patient had an AL amyloidoma on the right thigh and a second lesion on the right arm showing histopathologic features of cMZL without amyloid deposits...
May 12, 2017: American Journal of Surgical Pathology
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