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Monoclonal gammopathy

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https://www.readbyqxmd.com/read/28737577/vertebral-myeloma-mimicking-prostatic-carcinoma-metastasis-in-68ga-psma-pet-ct
#1
Esben Hoej Merrild, Steen Baerentzen, Kirsten Bouchelouche, Simon Buus
Ga-PSMA PET/CT was performed in a 75-year-old man with newly diagnosed prostate cancer because of an equivocal lesion in the spine both on Tc-bone-SPECT/CT and MRI. Because of increased PSMA activity on PET/CT, the bone lesion was interpreted as metastasis from prostate cancer. Later, the patient was diagnosed as having monoclonal gammopathy of unknown significance. A biopsy was performed, and histological examination revealed multiple myeloma with PSMA expression in the neovessels but no metastatic prostate cancer cells...
July 22, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28731904/monoclonal-gammopathy-of-undetermined-significance-after-kidney-transplantation-single-center-experience
#2
Gaetano Alfano, Francesco Fontana, Elisabetta Colaci, Andrea Messerotti, Francesca Bettelli, Leonardo Potenza, Mario Luppi, Gianni Cappelli
BACKGROUND: Monoclonal gammopathy of undetermined significance (MGUS) is an asymptomatic premalignant plasma cell disorder. Prevalence and clinical outcomes of MGUS in kidney transplant (KT) recipients have been previously reported in few studies with conflicting results. METHODS: We conducted a retrospective study in a population of 548 KT recipients transplanted between 1998 and 2015. RESULTS: Thirty-nine subjects (8.1%) developed MGUS after KT...
July 21, 2017: Transplantation
https://www.readbyqxmd.com/read/28728165/active-multiple-myeloma-suppresses-and-typically-eliminates-coexisting-mgus
#3
John P Campbell, Jennifer L J Heaney, Sankalp Pandya, Zaheer Afzal, Martin Kaiser, Roger Owen, J Anthony Child, Walter Gregory, Gareth J Morgan, Graham H Jackson, Chris M Bunce, Mark T Drayson
BACKGROUND: Myeloma is consistently preceded by premalignant monoclonal gammopathy of undetermined significance (MGUS). In >5% of MGUS patients there is a second MGUS clone (biclonal gammopathy of undetermined significance; BGUS), yet, at myeloma diagnosis, presentation of biclonal gammopathy myeloma (BGMy) is considered less frequent, implying that myeloma eradicates coexisting MGUS. METHODS: In the largest study of its kind, we assessed BGMy frequency amongst 6399 newly diagnosed myeloma patients enrolled in recent UK clinical trials...
July 20, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28727816/high-levels-of-flt3-ligand-in-bone-marrow-and-peripheral-blood-of-patients-with-advanced-multiple-myeloma
#4
Normann Steiner, Roman Hajek, Sabina Sevcikova, Bojana Borjan, Karin Jöhrer, Georg Göbel, Gerold Untergasser, Eberhard Gunsilius
INTRODUCTION: Multiple myeloma (MM) is still incurable due to resistance against various therapies. Thus, the identification of biomarkers predicting progression is urgently needed. Here, we evaluated four biomarkers in bone marrow and peripheral blood of MM patients for their prognostic significance. MATERIALS & METHODS: Bone marrow- and peripheral blood plasma levels of FLT3-L, soluble TIE2, endostatin, and osteoactivin were determined in patients with monoclonal gammopathy of undetermined significance (MGUS, n = 14/n = 4), patients with newly diagnosed MM (NDMM, n = 42/n = 31) and patients with relapsed/refractory MM (RRMM, n = 27/n = 16) by sandwich ELISA...
2017: PloS One
https://www.readbyqxmd.com/read/28726797/multiple-myeloma
#5
REVIEW
Shaji K Kumar, Vincent Rajkumar, Robert A Kyle, Mark van Duin, Pieter Sonneveld, María-Victoria Mateos, Francesca Gay, Kenneth C Anderson
Multiple myeloma is a malignancy of terminally differentiated plasma cells, and patients typically present with bone marrow infiltration of clonal plasma cells and monoclonal protein in the serum and/or urine. The diagnosis of multiple myeloma is made when clear end-organ damage attributable to the plasma cell proliferative disorder or when findings that suggest a high likelihood of their development are present. Distinguishing symptomatic multiple myeloma that requires treatment from the precursor stages of monoclonal gammopathy of undetermined significance and smouldering multiple myeloma is important, as observation is the standard for those conditions...
July 20, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28716071/primary-solitary-plasmacytoma-of-the-liver-successful-treatment-with-fractionated-stereotactic-radiotherapy-cyberknife%C3%A2-a-case-report
#6
Thomas Chalopin, Isabelle Barillot, Jean-Paul Biny, Flavie Arbion, Marie Besson, Maria Santiago-Ribeiro, Eric Piver, Olivier Herault, Emmanuel Gyan, Lotfi Benboubker
BACKGROUND: Solitary plasmacytoma of the liver is a very rare and aggressive form of plasma cell dyscrasia. To the best of our knowledge, very few cases have been reported without systemic disease. We reported a rare case of hepatic solitary plasmacytoma that successfully responded to fractionated stereotactic radiotherapy. CASE PRESENTATION: A 64-year-old white French man had monoclonal gammopathy of the immune globulin G lambda type; he developed a cholestasis and cytolysis with the discovery of a subscapular nodule...
July 18, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28716013/long-term-renal-survival-of-%C3%AE-3-heavy-chain-deposition-disease-a-case-report
#7
Takayuki Katsuno, Shige Mizuno, Masatsuna Mabuchi, Naotake Tsuboi, Atsushi Komatsuda, Shoichi Maruyama
BACKGROUND: Monoclonal immunoglobulin deposition disease (MIDD) is characterized by the non-amyloid deposition of monoclonal immunoglobulin fragments in the basement membranes. Heavy chain deposition disease (HCDD) is a type of MIDD. HCDD is an extremely rare disease, and only three cases have been reported in Japan up to the present. The prognosis of HCDD is very poor, and optimal treatment has not been established. Only a few cases of HCDD with favorable long-term renal prognosis have been reported to date...
July 17, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28714647/-therapeutic-advances-in-monoclonal-gammopathy-associated-renal-diseases
#8
Anne Boesch, Michel Burnier, Anne Cairoli, Sébastien Kissling
During the last ten years, significant advances have been made in the field of monoclonal gammopathy-associated renal diseases. These have consisted in a better recognition of their pathological and clinical significations and correlation. Furthermore, therapeutic advances have allowed improving the prognosis of B-cell monoclonal proliferations and of the related renal complications. In the peculiar case of the multiple myeloma with severe renal failure requiring dialysis, one can now expect better survival and chance of recovering renal function...
February 22, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28708133/autoantibodies-in-chronic-inflammatory-neuropathies-diagnostic-and-therapeutic-implications
#9
REVIEW
Luis Querol, Jérôme Devaux, Ricard Rojas-Garcia, Isabel Illa
The chronic inflammatory neuropathies (CINs) are rare, very disabling autoimmune disorders that generally respond well to immune therapies such as intravenous immunoglobulin (IVIg). The most common forms of CIN are chronic inflammatory demyelinating polyradiculoneuropathy (CIDP), multifocal motor neuropathy, and polyneuropathy associated with monoclonal gammopathy of unknown significance. The field of CIN has undergone a major advance with the identification of IgG4 autoantibodies directed against paranodal proteins in patients with CIDP...
July 14, 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/28706164/clinicopathological-significance-of-the-p16-hypermethylation-in-multiple-myeloma-a-systematic-review-and-meta-analysis
#10
Huiqing Yu, Liejun Yang, Yunfeng Fu, Meng Gao, Ling Tian
It is well known that the loss of function of the p16INK4A gene is mainly caused by the hypermethylation of the p16 gene; however, whether or not the inactivation is associated with the clinical significance of multiple myeloma (MM) remains elusive. A meta-analysis was conducted to quantitatively determine the role of the p16 hypermethylation in the clinical significance of MM. We demonstrated that MM patients show much higher hypermethylation rates on the p16 gene in bone marrow compared to normal individuals, as well as monoclonal gammopathy of undetermined significance (MGUS)...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28694632/late-onset-familial-amyloidotic-polyneuropathy-with-bence-jones-proteinuria-and-cardiomyopathy
#11
Sira Carrasco García de León, Amalia Hernández González, Carmen Orellana Alonso, Laura Burriel Lobo
Familial amyloidotic polyneuropathy is a genetically determined disease characterized by deposition of an anomalous transthyretin. A high index of suspicion is needed for this multisymptomatic and lethal disease to be diagnosed. The patient was a 70-year-old male examined due to hypesthesia in the hands and feet, plus difficulty walking. A neurophysiological study delivered the diagnosis of axonal sensorimotor polyneuropathy. He later developed cardiac symptoms and diarrhea. Urine laboratory analyses revealed a monoclonal spike of light chains (kappa)...
July 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28682959/paraneoplastic-neuropathies
#12
Jean-Christophe Antoine, Jean-Philippe Camdessanché
PURPOSE OF REVIEW: To review recent advances in paraneoplastic neuropathies with emphasis on their definition, different forms and therapeutic development. RECENT FINDINGS: A strict definition of definite paraneoplastic neuropathies is necessary to avoid confusion. With carcinoma, seronegative sensory neuronopathies and neuronopathies and anti-Hu and anti-CV2/Contactin Response Mediator Protein 5 antibodies are the most frequent. With lymphomas, most neuropathies occur with monoclonal gammopathy including AL amyloidosis, Polyneuropathy-Organomegaly-Endocrinopathy-M component-Skin changes (POEMS) syndrome, type I cryoglobulinemia and antimyelin-associated glycoprotein (MAG) neuropathies and Waldenström's disease...
July 5, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28679988/follicular-lymphoma-with-plasmacytic-differentiation-accompanied-by-monoclonal-igg-gammopathy
#13
Tomomi Oka, Masayuki Kobayashi, Takaya Komori, Hirokazu Nakamine, Toshiyuki Kitano, Masakatsu Hishizawa, Tadakazu Kondoh, Kouhei Yamashita, Akifumi Takaori-Kondo
A 59-year-old woman presented with high serum total protein, detected on a screening examination. Laboratory tests revealed high plasma levels of M-protein (IgG-λ), and FDG-PET/CT revealed systemic lymph node swelling and a large tumorous mass in the abdominal cavity. Bone marrow aspirates contained 8.4% plasma cells and approximately 30% abnormal small lymphocytes. A biopsy of the left supraclavicular lymph node was initially interpreted as lymphoplasmacytic lymphoma (LPL). However, chromosomal analysis of the lymph node demonstrated an unusual karyotype with t (14;18) (q32;q21)...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28678037/sporadic-late-onset-nemaline-myopathy-with-monoclonal-gammopathy-of-undetermined-significance
#14
Akinori Uruha, Olivier Benveniste
PURPOSE OF REVIEW: Sporadic late-onset nemaline myopathy (SLONM) with monoclonal gammopathy of undetermined significance (MGUS) is a rare subacute progressive muscle disease. The prognosis is poor due to severe respiratory insufficiency. Recently, however, autologous stem-cell transplantation following high-dose melphalan has been shown to be effective unless there is delay before the treatment. Therefore, early recognition of the disease is important. This review gives an overview of recent advances about SLONM-MGUS, which could help to understand clinical and pathological features and treatment...
July 3, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28676334/a-patient-with-monoclonal-gammopathy-related-nephrotic-syndrome-revealed-no-electrophoretic-nephrotic-pattern-or-skewed-free-light-chain-ratio
#15
EDITORIAL
Dorothy Truong, Ivan M Blasutig, Vathany Kulasingam, Pak Cheung Chan
No abstract text is available yet for this article.
July 1, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28664017/coexistence-of-quasi-moyamoya-disease-and-poems-syndrome-in-a-patient-with-intracranial-hemorrhage-a-case-report-and-literature-review
#16
Izumi Yamaguchi, Junichiro Satomi, Nobuaki Yamamoto, Shotaro Yoshioka, Yoshiteru Tada, Kenji Yagi, Yasuhisa Kanematsu, Shinji Nagahiro
POEMS (polyneuropathy, organomegaly, endocrinopathy, monoclonal gammopathy, and skin changes) syndrome is a rare paraneoplastic syndrome elicited by plasma cell dyscrasia. Its clinical manifestations are multiple and stroke is not a recognized feature. A 44-year-old woman with a 3-month history of bilateral lower extremity sensorimotor disturbance was admitted to our hospital. Examinations revealed polyneuropathy, organomegaly, hypothyroidism, monoclonal gammopathy, pelvic plasmacytoma, and elevated serum vascular endothelial growth factor (VEGF) levels...
January 2017: NMC Case Rep J
https://www.readbyqxmd.com/read/28653516/-refractory-sweet-syndrome-complicated-by-monoclonal-gammopathy-of-undetermined-significance
#17
I Kechaou, E Cherif, I Boukhris, S Azzabi, L Ben Hassine
The association between Sweet syndrome and monoclonal gammopathy of undetermined significance (MGUS) is exceptional. We report the case of a 44 years-old woman in whom recurrent Sweet syndrome was complicated by monoclonal gammopathy of undetermined significance (MGUS) after 3 years of evolution.
2017: Revue Médicale de Bruxelles
https://www.readbyqxmd.com/read/28645246/igmk-paraprotein-from-gammopathy-patient-can-bind-to-cardiolipin-and-interfere-with-coagulation-assay-a-case-report
#18
Xin-Yao Wu, Yu-Feng Yin, Jia-Lin Teng, Li-Wei Zhang, Cheng-de Yang
BACKGROUND: The monoclonal gammopathies are a group of plasma-cell proliferative disorders characterized by the secretion of monoclonal immunoglobulin (M protein or paraprotein). Some rare cases have revealed the specific affinity of paraprotein as autoantibody. Here we report a patient with monoclonal gammopathy of undetermined significance (MGUS) accompanied by a remarkable increase of anticardiolipin antibody (aCL) and an extensively decreased coagulation factor activity, however, without any clinical signs of antiphospholipid syndrome (APS) and bleeding...
June 23, 2017: BMC Immunology
https://www.readbyqxmd.com/read/28628381/monoclonal-immunoglobulin-associated-proliferative-glomerulonephritis-characterized-by-organized-deposits-of-striated-ultra-substructures-a-case-report
#19
Shigeo Hara, Hiroyasu Tsukaguchi, Tastufumi Oka, Makiko Kusabe, Masayuki Mizui, Kensuke Joh
We herein report the case of a 64-year-old male who presented with progressive glomerulonephritis notable for organized and striated ultra-substructures. The patient was diagnosed with hypertension and proteinuria 3 years prior to admission and subsequently developed nephrotic syndrome and impairment of renal function. Laboratory tests did not reveal any evidence of infections or autoimmune diseases. Monoclonal gammopathy was not detected in serum or urine, although a small population of abnormal plasma cell clones was detected by flow cytometry...
June 19, 2017: Ultrastructural Pathology
https://www.readbyqxmd.com/read/28622216/the-clinical-picture-of-severe-systemic-capillary-leak-syndrome-episodes-requiring-icu-admission
#20
Marc Pineton de Chambrun, Charles-Edouard Luyt, François Beloncle, Marie Gousseff, Wladimir Mauhin, Laurent Argaud, Stanislas Ledochowski, Anne-Sophie Moreau, Romain Sonneville, Bruno Verdière, Sybille Merceron, Nathalie Zappella, Mickael Landais, Damien Contou, Alexandre Demoule, Sylvie Paulus, Bertrand Souweine, Bernard Lecomte, Antoine Vieillard-Baron, Nicolas Terzi, Elie Azoulay, Raymond Friolet, Marc Puidupin, Jérôme Devaquet, Jean-Marc Mazou, Yannick Fedun, Jean-Paul Mira, Jean-Herlé Raphalen, Alain Combes, Zahir Amoura
OBJECTIVE: Systemic capillary-leak syndrome is a very rare cause of recurrent hypovolemic shock. Few data are available on its clinical manifestations, laboratory findings, and outcomes of those patients requiring ICU admission. This study was undertaken to describe the clinical pictures and ICU management of severe systemic capillary-leak syndrome episodes. DESIGN, SETTING, PATIENTS: This multicenter retrospective analysis concerned patients entered in the European Clarkson's disease (EurêClark) Registry and admitted to ICUs between May 1992 and February 2016...
July 2017: Critical Care Medicine
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