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Plasma cell neoplasms

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https://www.readbyqxmd.com/read/27862060/effect-of-bafilomycin-and-naadp-on-membrane-associated-atpases-and-respiration-of-isolated-mitochondria-of-the-murine-nemeth-kellner-lymphoma
#1
V Hreniukh, S Bychkova, O Kulachkovsky, A Babsky
: The goal of the study was to estimate the effect of a selective V-type H(+) -ATPase inhibitor bafilomycin A1 and nicotinic acid adenine dinucleotide phosphate (NAADP) on energetic processes in NK/Ly cell by directly measuring the respiration of isolated mitochondria and ATPase activities. NAADP (7 μM) increased the activity of Na(+) /K(+) -ATPase in the postmitochondrial fraction of NK/Ly cells, but lower concentration of NAADP decreased it (0.1 and 1 μM). The increase the activity of plasma membrane Ca(2)(+) ATPase (PMCA) under NAADP application (1 and 7 μM) was observed...
November 8, 2016: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/27861307/epibulbar-plasmacytoma-masquerading-as-subconjunctival-hemorrhage-in-a-patient-with-multiple-myeloma
#2
Amanda Bradley, Amy Estes, Lane Ulrich, Dilip Thomas, David Gay
PURPOSE: We report a 75-year-old woman with a history of multiple myeloma immunoglobulin D (IgD) variant, who presented with an epibulbar plasmacytoma masquerading as a subconjunctival hemorrhage. METHODS: Magnetic resonance imaging of the brain and orbits with and without contrast was obtained and surgical biopsy of the subconjunctival lesion was performed; histopathology confirmed the diagnosis of plasmacytoma. RESULTS: Subconjunctival biopsy revealed a plasma cell neoplasm infiltrate in the episcleral layer...
November 16, 2016: Cornea
https://www.readbyqxmd.com/read/27847663/extramedullary-plasmacytoma-mimicking-pancreatic-cancer-an-unusual-presentation
#3
Daniela Sciancalepore, Sergio Musci, Maria Rosaria Fracella, Grazia D'Alesio, Azzurra Sportelli, Giuseppe Ingravallo, Angelo Vacca, Roberto Ria
Multiple myeloma is a plasma cell tumor that homes to and expands in the bone marrow and that, despite the new available drugs, remains incurable. Extramedullary plasmacytoma is a not frequent manifestation during the natural history of multiple myeloma and is frequently associated with plasma cell bone marrow infiltration. The most common locations for an EMP include the gastrointestinal tract, pleura, testis, skin, peritoneum, liver, endocrine glands, and lymph nodes. Primary involvement of the gallbladder fossa is exceedingly rare...
2016: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/27824644/rapid-fatal-acute-peripheral-t-cell-lymphoma-associated-with-igg-plasma-cell-leukemia-and-iga-hypergammaglobulinemia
#4
Nives Jonjić, Irena Seili Bekafigo, Dora Fučkar Čupić, Ksenija Lučin, Antica Duletić Načinović, Toni Valković
Simultaneous occurrence of T-cell and B-cell neoplasms is rare, and etiologic relationships between these 2 malignancies are poorly understood. We describe the case of a 66-year-old woman who was admitted to the hospital because of fever, hemoptysis, lymphadenopathy, and skin rash. Enlarged lymph nodes in axillary, pectoral, paratracheal, and periportal regions as well as slight hepatomegaly and splenomegaly were confirmed. A peripheral blood smear revealed rouleaux formation and numerous circulating plasma cells, with plasmacytoid lymphocytes...
November 2016: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/27812250/proliferation-and-angiogenesis-using-immunohistochemistry-in-prognosticating-multiple-myeloma
#5
Sarah Grace Priyadarshini, Debdatta Basu, Rakhee Kar, T K Dutta
Multiple myeloma is a neoplasm of plasma cells characterised by the presence of M protein in serum and urine. Angiogenesis and proliferation play a major role in the pathogenesis of various neoplasms. The study evaluated proliferation and angiogenesis in 48 cases of myeloma, and correlated it with morphological and clinical parameters. The histomorphological features like plasma cell morphology, percentage of plasma cells and pattern of infiltration were studied in the bone marrow aspirate and trephine biopsy...
December 2016: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/27810077/chronic-myelogenous-leukemia-with-acquired-t-11-14-q13-q32-ccnd1-igh-a-case-report-and-literature-review
#6
M T Manda-Mapalo, P Khalili, D Quintana, I Rabinowitz, Q Y Zhang
Approximately 5-10% of chronic myeloid leukemia (CML) patients are found to have structural or numerical additional chromosomal abnormality (ACAs) in addition to the characteristic t(9;22)(q34;q11.2) BCR/ABL1 at the time of diagnosis. The prognostic significance of such additional chromosomal abnormalities has been controversial. Translocation t(11;14)(q13;q32) CCND1-IGH is typically associated with mantle cell lymphoma or a subset of plasma cell myeloma and is exceedingly rare in myeloid neoplasm. Here we report a unique case describing a patient found at diagnosis of chronic phase CML to have both the Philadelphia chromosome as well as t(11;14)-a rare cytogenetic combination...
October 2016: Cancer Genetics
https://www.readbyqxmd.com/read/27760483/management-of-gynaecologic-plasmacytoma-a-review-article
#7
Aharon M Feldman, Ziying Zhang, Thomas Buekers, Mohamed A Elshaikh
In contrast to multiple myeloma (MM) which exhibits diffuse bone marrow and other organ involvement, solitary plasmacytomas carry a favourable prognosis. Extramedullary plasmacytomas (EMP) are a unique form of plasma cell neoplasms. These tumours are rare in the female reproductive tract. Only 24 cases of gynaecologic plasmacytomas were reported to date (7 cases were solitary plasmacytomas and 17 cases were either part of disseminated MM with involvement of a gynaecologic organ or were lacking complete work-up to rule out MM)...
October 19, 2016: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27756988/cytology-of-plasma-cell-rich-effusion-in-cases-of-plasma-cell-neoplasm
#8
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
https://www.readbyqxmd.com/read/27742349/text-mining-electronic-hospital-records-to-automatically-classify-admissions-against-disease-measuring-the-impact-of-linking-data-sources
#9
Simon Kocbek, Lawrence Cavedon, David Martinez, Christopher Bain, Chris Mac Manus, Gholamreza Haffari, Ingrid Zukerman, Karin Verspoor
OBJECTIVE: Text and data mining play an important role in obtaining insights from Health and Hospital Information Systems. This paper presents a text mining system for detecting admissions marked as positive for several diseases: Lung Cancer, Breast Cancer, Colon Cancer, Secondary Malignant Neoplasm of Respiratory and Digestive Organs, Multiple Myeloma and Malignant Plasma Cell Neoplasms, Pneumonia, and Pulmonary Embolism. We specifically examine the effect of linking multiple data sources on text classification performance...
October 11, 2016: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/27738813/-endometritis-rare-disease-with-clinical-importance
#10
S F Lax
Endometritis is nowadays rare in developed countries and typically shows a subclinical or mild course; therefore, there are probably more cases of endometritis than diagnosed but they lack clinical relevance. In the fertile period of life it can be the reason for vaginal bleeding and infertility. The most common causes for non-specific endometritis are residual placental tissue after abortion or childbirth, intrauterine interventions, lesions within the uterine cavity, such as endometrial polyps, endometrial hyperplasia and neoplasms, intrauterine devices (IUD) and cervical stenosis...
October 13, 2016: Der Pathologe
https://www.readbyqxmd.com/read/27721769/inflammatory-myofibroblastic-tumor-of-the-urinary-bladder-a-case-report
#11
Toshiki Etani, Taku Naiki, Takashi Nagai, Keitaro Iida, Ryosuke Ando, Aya Naiki-Ito, Noriyasu Kawai, Keiichi Tozawa, Kentaro Mizuno, Atsushi Okada, Tohru Mogami, Takahiro Yasui
An inflammatory myofibroblastic tumor (IMT) is a distinctive neoplasm composed of myofibroblastic and fibroblastic spindle cells, accompanied by inflammatory infiltration of plasma cells, lymphocytes, and eosinophils. IMTs rarely occur in the urinary bladder. It is important to distinguish this tumor from other malignant spindle cell tumors. Herein, we report a patient with an IMT showing muscle invasion, who underwent a transurethral resection of the bladder tumor and, at a later date, partial cystectomy. The resected tumor specimen revealed a proliferation of spindle-shaped cells on a background of plasma cells and lymphocytes...
May 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/27708207/role-of-oncogene-24p3-neutrophil-gelatinase-associated-lipocalin-ngal-in-digestive-system-cancers
#12
Łukasz Michalak, Magdalena Bulska, Katarzyna Kudłacz, Piotr Szcześniak
Neutrophil gelatinase-associated lipocalin, known also as 24p3 lipocalin, lipocalin-2 or uterocalin (in mouse), is a small secretory protein binding small molecular weight ligands which takes part in numerous processes including apoptosis induction in leukocytes, iron transport, smell, and prostaglandins and retinol transport [19]. It was discovered in activated neutrophils as a covalent peptide associated with human gelatinase neutrophils [7]. Neutrophil lipocalin is secreted physiologically in the digestive system, respiratory tract, renal tubular cells, liver or immunity system...
January 4, 2016: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/27687004/plasmablastic-lymphoma-phenotype-is-determined-by-genetic-alterations-in-myc-and-prdm1
#13
Santiago Montes-Moreno, Nerea Martinez-Magunacelaya, Tomás Zecchini-Barrese, Sonia Gonzalez de Villambrosía, Emma Linares, Tamara Ranchal, María Rodriguez-Pinilla, Ana Batlle, Laura Cereceda-Company, Jose Bernardo Revert-Arce, Carmen Almaraz, Miguel A Piris
Plasmablastic lymphoma is an uncommon aggressive non-Hodgkin B-cell lymphoma type defined as a high-grade large B-cell neoplasm with plasma cell phenotype. Genetic alterations in MYC have been found in a proportion (~60%) of plasmablastic lymphoma cases and lead to MYC-protein overexpression. Here, we performed a genetic and expression profile of 36 plasmablastic lymphoma cases and demonstrate that MYC overexpression is not restricted to MYC-translocated (46%) or MYC-amplified cases (11%). Furthermore, we demonstrate that recurrent somatic mutations in PRDM1 are found in 50% of plasmablastic lymphoma cases (8 of 16 cases evaluated)...
September 30, 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27661006/type-i-insulin-like-growth-factor-receptor-signaling-in-hematological-malignancies
#14
Deeksha Vishwamitra, Suraj Konnath George, Ping Shi, Ahmed O Kaseb, Hesham M Amin
The insulin-like growth factor (IGF) signaling system plays key roles in the establishment and progression of different types of cancer. In agreement with this idea, substantial evidence has shown that the type I IGF receptor (IGF-IR) and its primary ligand IGF-I are important for maintaining the survival of malignant cells of hematopoietic origin. In this review, we discuss current understanding of the role of IGF-IR signaling in cancer with a focus on the hematological neoplasms. We also address the emergence of IGF-IR as a potential therapeutic target for the treatment of different types of cancer including plasma cell myeloma, leukemia, and lymphoma...
September 19, 2016: Oncotarget
https://www.readbyqxmd.com/read/27648261/solitary-extraosseous-plasmacytoma
#15
Hussein Merza, Raj Sarkar
Plasma cell neoplasms are characterized by a neoplastic plasma cell lineage which produces a monoclonal immunoglobulin. These neoplasms can present as a single lesion (solitary plasmacytoma) or as multiple lesions (multiple myeloma). Solitary plasmacytomas most frequently occur in bone (plasmacytomas of bone), but can also be found outside bone in soft tissues (extramedullary plasmacytomas).
September 2016: Clinical Case Reports
https://www.readbyqxmd.com/read/27622827/aberrant-p15-p16-p53-and-dapk-gene-methylation-in-myelomagenesis-clinical-and-prognostic-implications
#16
Catarina Geraldes, Ana Cristina Gonçalves, Emília Cortesão, Marta Isabel Pereira, Adriana Roque, Artur Paiva, Letícia Ribeiro, José Manuel Nascimento-Costa, Ana Bela Sarmento-Ribeiro
BACKGROUND: Aberrant DNA methylation is considered a crucial mechanism in the pathogenesis of monoclonal gammopathies. We aimed to investigate the contribution of hypermethylation of 4 tumor suppressor genes to the multistep process of myelomagenesis. METHODS: The methylation status of p15, p16, p53, and DAPK genes was evaluated in bone marrow samples from 94 patients at diagnosis: monoclonal gammopathy of uncertain significance (MGUS) (n = 48), smoldering multiple myeloma (SMM) (n = 8) and symptomatic multiple myeloma (MM) (n = 38), and from 8 healthy controls by methylation-specific polymerase chain reaction analysis...
December 2016: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/27618563/2016-us-lymphoid-malignancy-statistics-by-world-health-organization-subtypes
#17
Lauren R Teras, Carol E DeSantis, James R Cerhan, Lindsay M Morton, Ahmedin Jemal, Christopher R Flowers
Collectively, lymphoid neoplasms are the fourth most common cancer and the sixth leading cause of cancer death in the United States. The authors provide contemporary lymphoid neoplasm statistics by subtype based on the 2008 World Health Organization classifications, including the most current US incidence and survival data. Presented for the first time are estimates of the total numbers of US lymphoid neoplasm cases by subtype as well as a detailed evaluation of incidence and survival statistics. In 2016, 136,960 new lymphoid neoplasms are expected...
September 12, 2016: CA: a Cancer Journal for Clinicians
https://www.readbyqxmd.com/read/27618318/castleman-disease-of-the-thorax-clinical-radiologic-and-pathologic-correlation-from-the-radiologic-pathology-archives
#18
Seth J Kligerman, Aaron Auerbach, Teri J Franks, Jeffrey R Galvin
Castleman disease is a complex lymphoproliferative disease pathologically divided into two subtypes, the hyaline vascular variant (HVV) and the plasma cell variant (PCV). The HVV is the most common, is thought to represent a benign neoplasm of lymph node stromal cells, and is treated with surgical resection. It is most commonly found in the mediastinum, where it classically appears as a unicentric, avidly enhancing mass at computed tomography (CT) and magnetic resonance imaging. This appearance can mimic other avidly enhancing mediastinal masses, and location, clinical history, laboratory data, and nuclear medicine single photon emission CT (SPECT) and positron emission tomography (PET) studies can help narrow the differential diagnosis...
September 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27617610/unusual-manifestation-of-mucosal-plasmacytosis-mimicking-erythema-multiforme
#19
Keshavamurthy Vinay, Chougule Abhijit, Sunil Dogra
Mucosal plasmacytoses constitute a group of idiopathic inflammatory disorders, characterized by a dense infiltrate of plasma cells at the mucocutaneous junction without any recognizable dermatosis or neoplasm. We report an unusual clinical presentation of mucosal plasmacytosis presenting with hemorrhagic crusting of the lips, mimicking erythema multiforme.
2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/27611798/successful-treatment-of-primary-advanced-gastric-plasmacytoma-using-a-combination-of-surgical-resection-and-chemotherapy-with-bortezomib-a-case-report
#20
Sotaro Fukuhara, Hirofumi Tazawa, Hideharu Okanobu, Michiko Kida, Miki Kido, Toshiro Takafuta, Toshihiro Nishida, Hideki Ohdan, Hideto Sakimoto
INTRODUCTION: Extramedullary plasmacytoma (EMP) is a plasma cell neoplasm that presents as a solitary tumor. EMP in the gastrointestinal organs are extremely uncommon. PRESENTATION OF CASE: A 36-year-old man was admitted to our hospital with advanced anemia. He had no specific medical history. Gastroendoscopic findings showed an 8.0-cm submucosal tumor with ulcer on the greater curvature of the gastric body. Fine-needle aspiration was performed, and the pathologic diagnosis of the submucosal tumor was a plasmacytoma...
2016: International Journal of Surgery Case Reports
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