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Monoclonal gammopathy

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https://www.readbyqxmd.com/read/29345695/erratum-kini-bailur-j-mehta-s-zhang-l-et-al-changes-in-bone-marrow-innate-lymphoid-cell-subsets-in-monoclonal-gammopathy-target-for-imid-therapy-blood-adv-2017-1-25-2343-2347
#1
(no author information available yet)
[This corrects the article DOI: 10.1182/bloodadvances.2017012732.].
January 9, 2018: Blood Advances
https://www.readbyqxmd.com/read/29345175/a-role-for-bone-turnover-markers-%C3%AE-crosslaps-ctx-and-amino-terminal-propeptide-of-type-i-collagen-pinp-as-potential-indicators-for-disease-progression-from-mgus-to-multiple-myeloma
#2
Sonia Vallet, Nicholas R Hoyle, Robert A Kyle, Klaus Podar, Martin Pecherstorfer
Multiple myeloma (MM) is characterized by bone lesions arising due to unbalanced bone remodeling. Changes in the bone formation marker amino-terminal propeptide of type I collagen (PINP) and the bone resorption marker β-CrossLaps (CTX) reflect physiologic bone turnover. Whether PINP and CTX have a role in disease progression from monoclonal gammopathy of undetermined significance (MGUS) to MM is unknown. In this cross-sectional follow-up study, 241 patients with MM or MGUS were included. Serum levels of PINP and CTX were significantly higher in MM patients compared to MGUS...
January 18, 2018: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29342381/long-term-follow-up-of-monoclonal-gammopathy-of-undetermined-significance
#3
Robert A Kyle, Dirk R Larson, Terry M Therneau, Angela Dispenzieri, Shaji Kumar, James R Cerhan, S Vincent Rajkumar
BACKGROUND: Monoclonal gammopathy of undetermined significance (MGUS) occurs in approximately 3% of persons 50 years of age or older. METHODS: We studied 1384 patients who were residing in southeastern Minnesota and in whom MGUS was diagnosed at the Mayo Clinic in the period from 1960 through 1994; the median follow-up was 34.1 years (range, 0.0 to 43.6). The primary end point was progression to multiple myeloma or another plasma-cell or lymphoid disorder. RESULTS: During 14,130 person-years of follow-up, MGUS progressed in 147 patients (11%), a rate that was 6...
January 18, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29330758/-monoclonal-gammopathy-of-undetermined-significance-and-multiple-myeloma
#4
REVIEW
M Schmalzing, H-P Tony, S Knop
In rheumatological practice monoclonal gammopathy of undetermined significance (MGUS) is a common incidental finding. Several rheumatic inflammatory diseases are known to have an elevated risk of MGUS, which can evolve into multiple myeloma or other lymphatic malignancies. The relevant definitions of disease entities are described, as well as algorithms for further diagnostic work-up and follow-up for monoclonal gammopathy, depending on the risk of progression. Therapeutic strategies against multiple myeloma are presented...
October 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/29326807/heavy-chain-diseases-and-myeloma-associated-fanconi-syndrome-an-update
#5
REVIEW
Roberto Ria, Franco Dammacco, Angelo Vacca
The heavy chain diseases (HCDs) are rare B-cell malignancies characterized by the production of a monoclonal immunoglobulin heavy chain without an associated light chain. There are three types of HCD, defined by the class of immunoglobulin heavy chain produced: IgA (α-HCD), IgG (γ-HCD), and IgM (μ-HCD). Alpha-HCD is the most common and usually occurs as intestinal malabsorption in a young adult from a country of the Mediterranean area. Gamma- and μ-HCDs are rarer and associated with a B-cell non-Hodgkin lymphoma that produces an abnormal Ig heavy chain...
2018: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/29324245/heavy-light-chain-assay-as-a-biomarker-for-diagnosis-and-follow-up-of-multiple-myeloma
#6
Hyojin Chae, Eunhee Han, Jaeeun Yoo, Jaewoong Lee, Jeong Joong Lee, Kyoungho Cha, Myungshin Kim, Yonggoo Kim, Sung-Eun Lee, Chang-Ki Min
BACKGROUND: The heavy-light chain (HLC) assay enables the accurate measurement of each isotype-specific heavy and light chain (i.e., IgGĸ, IgGλ, IgAĸ, and IgAλ) and the derivation of an HLC-pair ratio. However, to date, only limited data have validated the usefulness of serial HLC measurements in the routine follow-up of intact immunoglobulin multiple myeloma (MM) patients. METHODS: A total of 36 diagnostic and 671 post-treatment sera from 115 IgG and 61 IgA MM patients were assessed with capillary zone electrophoresis, immunosubtraction electrophoresis, total immunoglobulin measurement, free light chain, and HLC assay...
January 8, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29323095/intracytoplasmic-inclusions-in-plasma-cells-a-diagnostic-adjunct-in-monoclonal-gammopathy-of-undetermined-significance
#7
Smeeta Gajendra, Rashi Sharma, Swachi Jain, Ritesh Sachdev, Nitin Sood
No abstract text is available yet for this article.
October 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29323083/monoclonal-gammopathy-with-double-m-bands-an-atypical-presentation-on-serum-protein-electrophoresis-simulating-biclonal-gammopathy
#8
Kaustubh Bora, Umesh Das, Bhupen Barman, Alice Abraham Ruram
Monoclonal gammopathies, such as multiple myeloma, typically exhibit high levels of a monoclonal immunoglobulin (M-protein), produced by a clone of abnormally proliferating B-lymphocytes and/or plasma cells. The M-protein can be evaluated by serum protein electrophoresis (SPEP), which yields a single discrete band (M-band), usually in the γ-globulin region. Rarely, two M-bands appear simultaneously at different positions during SPEP - a condition known as biclonal gammopathy, which is a result of clonal expansion of two different neoplastic cell lines...
October 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29318955/case-report-of-igm-multiple-myeloma-diagnosing-a-rare-hematologic-entity
#9
Fernando Javier Bonilla-Valentín, Javier Cerra, William Cáceres-Perkins, Melissa Alsina
IgM multiple myeloma is an exceedingly rare hematologic entity comprising only less than 0.5% of multiple myeloma cases. Given the rarity of this disorder, it makes it a challenge to differentiate from other more prevalent hematologic disorders like Waldenstrom macroglobulinemia. These 2 diseases have the common finding of an IgM monoclonal gammopathy and distinguishing between these 2 diagnoses is of great importance given that therapy and prognosis differ significantly. This report illustrates the case of a 64-year-old man who presented with IgM lambda monoclonal gammopathy in whom signs, symptoms, laboratories, and imaging were initially thought to be consistent with Waldenstrom macroglobulinemia...
January 2018: Cancer Control: Journal of the Moffitt Cancer Center
https://www.readbyqxmd.com/read/29316245/flow-cytometric-aberrancies-in-plasma-cell-myeloma-and-mgus-correlation-with-laboratory-parameters
#10
Sarika Gupta, Nitin J Karandikar, Timothy Ginader, Andrew M Bellizzi, Carol J Holman
BACKGROUND: Multiparametric flow cytometry (MFC) is a useful tool for diagnosis of plasma cell dyscrasias and assessment of minimal residual disease (MRD) in plasma cell myeloma (PCM). However, the immunophenotypic differences between the clonal plasma cells (PCs) of plasma cell myeloma (PCM) and those of monoclonal gammopathy of undetermined significance (MGUS) as well as the correlation of these flow cytometric markers with pertinent laboratory parameters have not been evaluated. METHODS: We retrospectively identified all newly diagnosed treatment-naive PCM and MGUS patients between 09/2014 and 06/2015 who underwent 10-color flow-cytometric evaluation: CD45, CD38, CD138, cKappa, cLambda, CD19, CD27, CD28, CD56, CD117...
January 6, 2018: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/29316178/evaluation-of-cd229-as-a-new-alternative-plasma-cell-gating-marker-in-the-flow-cytometric-immunophenotyping-of-monoclonal-gammopathies
#11
Prashant R Tembhare, Sitaram Ghogale, Wilma Tauro, Yajamanam Badrinath, Nilesh Deshpande, Shweta Kedia, Keziah Cherian, Nikhil V Patkar, Gaurav Chatterjee, Sumeet Gujral, Papagudi G Subramanian
BACKGROUND: Current flow-cytometric plasma cell (PC) gating is based on CD138, CD38 and CD45 expression. CD138 is known for variable expression and loss during storage and processing. Introduction of anti-CD38 and anti-CD138 monoclonal-antibody therapies has limited the use of these markers during follow-up. Hence, additional reliable PC-gating markers are required. Recently, CD229 has been claimed as an alternative PC-gating marker. However, these studies are limited to a small cohort of samples...
January 9, 2018: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/29314079/the-high-frequency-of-monoclonal-gammopathy-in-patients-with-diabetic-sensorimotor-polyneuropathy
#12
Alon Abraham, Carolina Barnett, Hans D Katzberg, Leif E Lovblom, A Perkins Bruce, Vera Bril
INTRODUCTION: Monoclonal gammopathy has been reported in several polyneuropathies. In this study, we aimed to explore the frequency and characteristics of monoclonal gammopathy in patients with diabetic sensorimotor polyneuropathy (DSP). METHODS: Patients with type 1 and 2 diabetes mellitus (DM 1, DM 2), and controls without diabetes, were evaluated between November 2008 and December 2013. RESULTS: 50 controls, 66 patients with DM 1, and 106 patients with DM 2, were included, with an average age of 43 ± 18, 45 ± 17, and 65 ± 10 years respectively...
January 4, 2018: Muscle & Nerve
https://www.readbyqxmd.com/read/29311715/the-bone-marrow-niche-in-mds-and-mgus-implications-for-aml-and-mm
#13
REVIEW
Irene M Ghobrial, Alexandre Detappe, Kenneth C Anderson, David P Steensma
Several haematological malignancies, including multiple myeloma (MM) and acute myeloid leukaemia (AML), have well-defined precursor states that precede the development of overt cancer. MM is almost always preceded by monoclonal gammopathy of undetermined significance (MGUS), and at least a quarter of all patients with myelodysplastic syndromes (MDS) have disease that evolves into AML. In turn, MDS are frequently anteceded by clonal haematopoiesis of indeterminate potential (CHIP). The acquisition of additional genetic and epigenetic alterations over time clearly influences the increasingly unstable and aggressive behaviour of neoplastic haematopoietic clones; however, perturbations in the bone-marrow microenvironment are increasingly recognized to have key roles in initiating and supporting oncogenesis...
January 9, 2018: Nature Reviews. Clinical Oncology
https://www.readbyqxmd.com/read/29296931/bone-disease-in-monoclonal-gammopathy-of-undetermined-significance-results-from-a-screened-population-based-study
#14
Sigrun Thorsteinsdottir, Sigrun H Lund, Ebba K Lindqvist, Marianna Thordardottir, Gunnar Sigurdsson, Rene Costello, Debra Burton, Hlif Steingrimsdottir, Vilmundur Gudnason, Gudny Eiriksdottir, Kristin Siggeirsdottir, Tamara B Harris, Ola Landgren, Sigurdur Y Kristinsson
Previous studies have shown that individuals with monoclonal gammopathy of undetermined significance (MGUS) have an increased risk of fractures, although the underlying mechanisms remain unknown. Our aim was to analyze bone mineral density (BMD), bone volume, and risk of fractures among individuals with MGUS. We performed a screening using the Age, Gene/Environment Susceptibility (AGES)-Reykjavik Study cohort, consisting of 5764 elderly individuals, identifying 300 individuals with MGUS, and 275 with light-chain MGUS...
December 26, 2017: Blood Advances
https://www.readbyqxmd.com/read/29296884/changes-in-bone-marrow-innate-lymphoid-cell-subsets-in-monoclonal-gammopathy-target-for-imid-therapy
#15
Jithendra Kini Bailur, Sameet Mehta, Lin Zhang, Natalia Neparidze, Terri Parker, Noffar Bar, Tara Anderson, Mina L Xu, Kavita M Dhodapkar, Madhav V Dhodapkar
Altered number, subset composition, and function of bone marrow innate lymphoid cells are early events in monoclonal gammopathies.Pomalidomide therapy leads to reduction in Ikzf1 and Ikzf3 and enhanced human innate lymphoid cell function in vivo.
November 28, 2017: Blood Advances
https://www.readbyqxmd.com/read/29296866/obesity-and-risk-of-monoclonal-gammopathy-of-undetermined-significance-and-progression-to-multiple-myeloma-a-population-based-study
#16
Marianna Thordardottir, Ebba K Lindqvist, Sigrun H Lund, Rene Costello, Debra Burton, Neha Korde, Sham Mailankody, Gudny Eiriksdottir, Lenore J Launer, Vilmundur Gudnason, Tamara B Harris, Ola Landgren, Sigurdur Y Kristinsson
All multiple myeloma (MM) cases are preceded by the premalignant state monoclonal gammopathy of undetermined significance (MGUS). Results from previous studies show a positive association between obesity and MM; however, the association between obesity and MGUS is controversial. The aims were to determine (1) if obesity is associated with an increased risk of MGUS and light-chain MGUS (LC-MGUS) and (2) whether obesity is associated with a higher risk of progression to MM and other lymphoproliferative (LP) diseases...
November 14, 2017: Blood Advances
https://www.readbyqxmd.com/read/29290952/transient-paraproteinemia-after-allogeneic-hematopoietic-stem-cell-transplantation-is-an-underexplored-phenomenon-associated-with-graft-versus-host-disease
#17
Corinne C Widmer, Stefan Balabanov, Urs Schanz, Alexandre P A Theocharides
The clinical and biological relevance of a paraprotein that newly arises after allogeneic hematopoietic stem cell transplantation (allo-HSCT) in non-myeloma patients is unknown. In this study, the incidence, the course, and the clinical impact of paraproteins found after allo-HSCT were investigated in a cohort of 383 non-myeloma patients. Paraproteinemia after allo-HSCT was more frequent (52/383 patients, 14%) than the reported incidence of monoclonal gammopathy of unknown significance (MGUS) in age-matched healthy subjects and, in contrast to MGUS, did not correlate with age...
December 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/29281132/monoclonal-gammopathies-electronic-subspecialty-consultation
#18
Nicholas Burwick, Jacob Stein, David A Garcia, Virginia C Broudy, Robert E Richard
IMPORTANCE: Electronic consultation (e-consult) is an important component of care for patients in the Veterans Health Administration who require sub-specialty consultation but not urgent face to face evaluation. Monoclonal gammopathy of undetermined significance (MGUS) is a common reason for e-consult. While often benign, MGUS requires careful evaluation and persistent surveillance over time. OBJECTIVE: To identify areas to improve MGUS care delivery by e-consult...
December 27, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/29250691/nephrotic-syndrome-secondary-to-amyloidosis-in-a-patient-with-monoclonal-gammopathy-with-renal-significance-mgrs
#19
Andrei Niculae, Ileana Peride, Vlad Vinereanu, Daniela Rădulescu, Ovidiu Gabriel Bratu, Bogdan Florin Geavlete, Ionel Alexandru ChecheriŢă
Monoclonal gammopathy with renal significance (MGRS) is a relative new-described entity, diagnosed especially in older patients and deriving from the group with monoclonal gammopathy of undetermined significance (MGUS). Various renal lesions may arise in MGRS, according to the ultrastructural characteristics of the monoclonal immunoglobulin deposition in the kidney, from proliferative glomerulopathies and amyloidosis to light chain proximal tubulopathy and crystal-storing histiocytosis. Although both are considered premalign or non-malignant hematological conditions, kidney involvement in MGRS aggravates the prognosis of the patients and need to be treated aggressively...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/29249234/high-dose-melphalan-and-autologous-hematopoietic-stem-cell-transplant-in-patient%C3%A2-with-c3-glomerulonephritis-associated%C3%A2-with-monoclonal-gammopathy%C3%A2
#20
Nicola Lepori, Wisit Cheungpasitporn, Sanjeev Sethi, David Murray, Shaji Kumar, Nelson Leung, Karthik V Giridhar, Fernando C Fervenza
There is currently no standard treatment for monoclonal immunoglobulin (MIg)-associated C3 glomerulopathy, and treatment is often dictated by the extent of the monoclonal gammopathy. Although chemotherapy treatment for MIg-associated C3 glomerulopathy may stabilize renal function, the overall renal prognosis of MIg-associated C3 glomerulopathy is still poor with frequent progression to end-stage renal disease. We present a case of a 55-year-old man with IgG-κ gammopathy-associated C3 glomerulonephritis (C3GN) with bone marrow biopsy demonstrating 5 - 10 κ-restricted plasma cells...
December 18, 2017: Clinical Nephrology
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