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Primary amyloidosis

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https://www.readbyqxmd.com/read/27879490/intense-uptake-in-amyloidosis-of-the-seminal-vesicles-on-68ga-psma-pet-mimicking-locally-advanced-prostate-cancer
#1
Maximilian Stephens, David Insoo Kim, Benjamin Shepherd, Sonja Gustafson, Paul Thomas
We report a case of benign senile seminal vesicle amyloidosis demonstrating intense Ga-prostate-specific membrane antigen (PSMA) uptake on PET/CT. A 68-year-old man underwent staging PSMA PET/CT and MRI for biopsy-proven prostate adenocarcinoma. There was an intense focus of Ga-PSMA uptake in the primary malignancy, as well as symmetrical intense uptake in the seminal vesicles bilaterally that was reported as multifocal disease with local invasion. Final histology after radical prostatectomy showed amyloidosis of the seminal vesicles without any evidence of prostate cancer...
November 22, 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27878699/differentiation-of-light-chain-cardiac-amyloidosis-from-hypertrophic-cardiomyopathy-using-myocardial-mechanical-parameters-by-velocity-vector-imaging-echocardiography
#2
Lu Zhang, Xiao Zhou, Jing Wang, Yang Mu, Bohan Liu, Wenqing Lv, Ye Wang, Hongwei Liu, Hongbin Liu, Guang Zhi
We aimed to evaluate the diagnostic efficacy of layered velocity vector imaging (VVI)-derived left ventricular (LV) mechanical parameters in the differential diagnosis of primary light-chain cardiac amyloidosis (AL-CA) and hypertrophic cardiomyopathy (HCM). We recruited 35 subjects with histologically-diagnosed AL-CA, 35 subjects with HCM, and 30 age-matched healthy controls. We used conventional echocardiography and electrocardiogram to evaluate general heart function and electrophysiology properties. Furthermore, we applied two-dimensional VVI echocardiography to assess the layered mechanical parameters during systole, including endocardial and epicardial longitudinal strain (ENDO and EPI LSsys), circumferential strain (CSsys), radial strain (RSsys), rotation (ROT) and twist (TWI), in different LV walls and levels...
November 23, 2016: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/27828646/primary-localized-cutaneous-amyloidosis-with-lichen-and-poikiloderma-like-lesions-and-an-excellent-response-to-systemic-acitretin
#3
Han Ma, Xiangyang Su, Guoxing Zhu, Songchao Yin, Chun Lu, Wei Lai
Primary localized cutaneous amyloidosis is a skin-limited amyloidosis that does not involve internal organs. It is clinically subclassified into 3 general categories and some rare variants. However, there is considerable overlap within the classification. Though there are a variety of therapeutic measures, the treatment is often unsatisfactory, particularly when the disease is severe and extensive. We describe a rare case of primary localized cutaneous amyloidosis with lichen and poikiloderma-like lesions that showed an excellent response to systemic acitretin...
September 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/27822103/the-danish-national-multiple-myeloma-registry
#4
REVIEW
Peter Gimsing, Morten O Holmström, Tobias Wirenfelt Klausen, Niels Frost Andersen, Henrik Gregersen, Robert Schou Pedersen, Torben Plesner, Per Trøllund Pedersen, Mikael Frederiksen, Ulf Frølund, Carsten Helleberg, Annette Vangsted, Peter de Nully Brown, Niels Abildgaard
AIM: The Danish National Multiple Myeloma Registry (DMMR) is a population-based clinical quality database established in January 2005. The primary aim of the database is to ensure that diagnosis and treatment of plasma cell dyscrasia are of uniform quality throughout the country. Another aim is to support research. Patients are registered with their unique Danish personal identification number, and the combined use of DMMR, other Danish National registries, and the Danish National Cancer Biobank offers a unique platform for population-based translational research...
2016: Clinical Epidemiology
https://www.readbyqxmd.com/read/27804150/progressive-refractory-light-chain-amyloidosis-and-multiple-myeloma-patients-are-responsive-to-the-addition-of-clarithromycin-to-imid-based-therapy
#5
Adir Shaulov, Chezi Ganzel, Noam Benyamini, Yossef Barshay, Neta Goldschmidt, David Lavie, Diana Libster, Alex Gural, Batia Avni, Moshe E Gatt
Multiple myeloma (MM) and primary systemic light chain amyloidosis (AL) are both chronic plasma cell dyscrasias with different clinical expression but limited treatment options for relapsed refractory disease. We report the effect of the addition of clarithromycin on 31 MM and 17 AL with relapsed or refractory disease who had an insufficient response or disease progression while on an IMiD based therapy. In this high risk population, hematological response was reported in 48% of MM patients and 94% of AL patients...
November 2, 2016: American Journal of Hematology
https://www.readbyqxmd.com/read/27802513/assessment-of-the-incremental-diagnostic-value-of-florbetapir-f-18-imaging-in-patients-with-cognitive-impairment-the-incremental-diagnostic-value-of-amyloid-pet-with-18f-florbetapir-india-fbp-study
#6
Marina Boccardi, Daniele Altomare, Clarissa Ferrari, Cristina Festari, Ugo Paolo Guerra, Barbara Paghera, Claudio Pizzocaro, Giulia Lussignoli, Cristina Geroldi, Orazio Zanetti, Maria Sofia Cotelli, Marinella Turla, Barbara Borroni, Luca Rozzini, Dario Mirabile, Carlo Defanti, Michele Gennuso, Alessandro Prelle, Simona Gentile, Alessandro Morandi, Stefano Vollaro, Giorgio Dalla Volta, Angelo Bianchetti, Marta Zaffira Conti, Melania Cappuccio, Pasqualina Carbone, Daniele Bellandi, Luciano Abruzzi, Luigi Bettoni, Daniele Villani, Maria Clara Raimondi, Alessia Lanari, Alfonso Ciccone, Emanuela Facchi, Ignazio Di Fazio, Renzo Rozzini, Stefano Boffelli, Laura Manzoni, Giovanni Pietro Salvi, Sabina Cavaliere, Gloria Belotti, Stefano Avanzi, Patrizio Pasqualetti, Cristina Muscio, Alessandro Padovani, Giovanni B Frisoni
Importance: Cerebral amyloidosis is a key abnormality in Alzheimer disease (AD) and can be detected in vivo with positron emission tomography (PET) ligands. Although amyloid PET has clearly demonstrated analytical validity, its clinical utility is debated. Objective: To evaluate the incremental diagnostic value of amyloid PET with florbetapir F 18 in addition to the routine clinical diagnostic assessment of patients evaluated for cognitive impairment. Design, Setting, and Participants: The Incremental Diagnostic Value of Amyloid PET With [18F]-Florbetapir (INDIA-FBP) Study is a multicenter study involving 18 AD evaluation units from eastern Lombardy, Northern Italy, 228 consecutive adults with cognitive impairment were evaluated for AD and other causes of cognitive decline, with a prescan diagnostic confidence of AD between 15% and 85%...
October 31, 2016: JAMA Neurology
https://www.readbyqxmd.com/read/27798053/relationship-between-aetiology-and-left-ventricular-systolic-dysfunction-in-hypertrophic-cardiomyopathy
#7
Stefania Rosmini, Elena Biagini, Costantinos O'Mahony, Heerajnarain Bulluck, Niccolo' Ruozi, Luis R Lopes, Oliver Guttmann, Patricia Reant, Cristina C Quarta, Antonis Pantazis, Maria Tome-Esteban, William J Mckenna, Claudio Rapezzi, Perry M Elliott
BACKGROUND: Severe left ventricular (LV) systolic dysfunction is an uncommon complication of hypertrophic cardiomyopathy (HCM) that is associated with poor prognosis. Small observational series suggest that patients with rare causes of HCM are more likely to develop systolic impairment than those with idiopathic disease or mutations in cardiac sarcomeric protein genes. The aim of this study was to test this hypothesis by comparing the prevalence of systolic dysfunction and its impact on prognosis in patients with different causes of HCM...
October 24, 2016: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/27785640/can-mri-t1-be-used-to-detect-early-changes-in-5xfad-alzheimer-s-mouse-brain
#8
Nicholas G Spencer, David P Lovell, Kay Elderfield, Brian Austen, Franklyn A Howe
OBJECTIVES: In the present study, we have tested whether MRI T1 relaxation time is a sensitive marker to detect early stages of amyloidosis and gliosis in the young 5xFAD transgenic mouse, a well-established animal model for Alzheimer's disease. MATERIALS AND METHODS: 5xFAD and wild-type mice were imaged in a 4.7 T Varian horizontal bore MRI system to generate T1 quantitative maps using the spin-echo multi-slice sequence. Following immunostaining for glial fibrillary acidic protein, Iba-1, and amyloid-β, T1 and area fraction of staining were quantified in the posterior parietal and primary somatosensory cortex and corpus callosum...
October 26, 2016: Magma
https://www.readbyqxmd.com/read/27764008/primary-laryngotracheal-amyloidosis-with-bilateral-vocal-cord-involvement-and-associated-bronchiectasis
#9
Charles W Lanks, Timothy L Van Natta, David W Hsia
Localized tracheobronchial amyloidosis is a rare disease that results from submucosal deposition of insoluble amyloid proteins in the large airways. Amyloidosis affecting the larynx and subglottic space typically results in unilateral, nodular vocal cord infiltration. It rarely can present with bilateral vocal cord involvement and can progress to lifethreatening respiratory failure due to upper airway obstruction. In these patients, typical treatment modalities such as CO2 laser ablation are often ineffectual...
October 2016: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/27752010/a-clinicopathologic-study-of-glomerular-disease-a-single-center-five-year-retrospective-study-from-northwest-india
#10
Pankaj Beniwal, Lalit Pursnani, Sanjeev Sharma, R K Garsa, Mohit Mathur, Prasad Dharmendra, Vinay Malhotra, Dhanajai Agarwal
Studies published from centers across India have reported different and contradicting patterns of glomerular disease. In this retrospective study, we report our experience from a Tertiary Care Center in Northwest India. A total of 702 renal biopsies performed between 2008 and 2013 were reviewed of which 80 were excluded from the study because of having insufficient records or if the biopsies were taken from an allograft. The study included 411 males (66.1 %) and 211 females (33.9%) with an age range of 12-70 years (mean 30...
September 2016: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/27719714/-the-consensus-of-the-diagnosis-and-treatment-of-primary-light-chain-amyloidosis-in-china-2016-version
#11
(no author information available yet)
No abstract text is available yet for this article.
September 14, 2016: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/27712010/hepatic-manifestations-of-inflammatory-bowel-diseases
#12
Sophie Restellini, Olivier Chazouillères, Jean-Louis Frossard
Inflammatory bowel diseases (IBD) are associated with various hepatobiliary disorders, reported both in Crohn's disease (CD) and ulcerative colitis (UC). They may occur at any moment in the natural course of the disease. The prevalence of liver dysfunction rises from 3% to 50% accordingly to definitions. Fatty liver is considered as the most common hepatobiliary complication in IBD whilst primary sclerosing cholangitis (PSC) the most specific one. Less frequently, IBD-associated hepatobiliary disorders include: autoimmune hepatitis/PSC overlap syndrome, IgG4-associated cholangiopathy, primary biliary cholangitis (PBC), hepatic amyloidosis, granulomatous hepatitis, cholelithiasis, portal vein thrombosis, and liver abscess...
October 6, 2016: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/27699053/lessons-from-treatment-resistant-hyperlipidaemia
#13
Elizabeth Parsons, Pankaj Gupta, Prashanth Patel, Faizanur Rahman
A 68-year-old woman was referred to Lipid Clinic with sudden deterioration of previously well-controlled primary hyperlipidaemia. Investigations revealed nephrotic range proteinuria, leading to urgent renal biopsy and a diagnosis of amyloidosis. Chemotherapy was successful in stabilising renal function, reducing proteinuria and eliminating serum paraprotein. The resistant hyperlipidaemia subsequently resolved. Whilst hyperlipidaemia is pathognomonic of nephrotic syndrome, it is rarely the first characteristic identified by clinicians, often preceded by the identification of oedema or proteinuria...
October 2016: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/27642740/-hepatic-amyloidosis-as-a-rare-differential-diagnosis-of-progressive-liver-failure
#14
Dominik Bettinger, Lisa Lutz, Michael Schultheiß, Martin Werner, Robert Thimme, Christoph Neumann-Haefelin
Primary systemic amyloidosis is a rare disorder resulting in extracellular deposition of insoluble fibrils in different organs. Liver involvement has been reported. Since hepatic amyloidosis often presents clinically asymptomatic without specific laboratory or imaging hallmarks, diagnosis is challenging. However, cases of progressive hepatic failure due to liver amyloidosis have been reported. A 63 year old man presented with newly diagnosed ascites to our department. The patient reported occasional alcohol consumption...
September 2016: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/27633054/molecular-basis-of-a-novel-renal-amyloidosis-due-to-n184k-gelsolin-variant
#15
Francesco Bonì, Mario Milani, Riccardo Porcari, Alberto Barbiroli, Stefano Ricagno, Matteo de Rosa
Mutations in gelsolin are responsible for a systemic amyloidosis first described in 1969. Until recently, the disease was associated with two substitutions of the same residue, leading to the loss of the calcium binding site. Novel interest arose in 2014 when the N184K variant of the protein was identified as the etiological agent of a novel kidney-localized amyloidosis. Here we provide a first rationale for N184K pathogenicity. We show that the mutation induces a destabilization of gelsolin second domain, without compromising its calcium binding capacity...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27630801/core-measures-for-congestive-heart-failure-in-a-tertiary-care-setting-in-pakistan
#16
Rizwan Zafar, Muhammad Haris, Salman Assad, Muhammad Usman Shabbir, Haider Ghazanfar, Sarah A Malik, Tehreem Khalid, Ali H Abbas, Asad A Saleem
PURPOSE:  Heart failure presents a huge burden for individual patients and the healthcare system as a whole. This study aims to assess the adherence to these core measures as identified by the Joint Commission on Accreditation of Healthcare Organizations (JCAHO)/ American Heart Association (AHA) by physicians of Pakistan. MATERIALS AND METHODOLOGY:  We conducted a cross-sectional study in Shifa International Hospital, Islamabad, Pakistan from the period of April 2013 to April 2016...
August 8, 2016: Curēus
https://www.readbyqxmd.com/read/27629972/successful-treatment-of-amyloid-light-chain-amyloidosis-in-a-charcot-marie-tooth-disease-patient-with-lenalidomide-cyclophosphamide-and-dexamethasone
#17
Yoshitaka Kikukawa, Hiroyuki Hata, Mitsuharu Ueda, Taro Yamashita, Singo Nasu, Kazuhiko Ide, Shikiko Ueno, Yukio Ando, Hiroaki Mitsuya, Yutaka Okuno
A 70-year-old woman with Charcot-Marie-Tooth disease (CMT) suffered from nephrotic syndrome and a renal biopsy revealed non-AA amyloid depositions that contained immunoglobulin light chain λ. Her serum λ free LC was elevated to 80.8 mg/L and she was diagnosed with primary amyloid light-chain (AL) amyloidosis. She was subsequently treated with lenalidomide, cyclophosphamide, and dexamethasone (RCD). After 14 cycles of RCD, she achieved complete remission. Her serum albumin levels gradually normalized to 3...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27629715/soluble-conformers-of-a%C3%AE-and-tau-alter-selective-proteins-governing-axonal-transport
#18
Mathew A Sherman, Michael LaCroix, Fatou Amar, Megan E Larson, Colleen Forster, Adriano Aguzzi, David A Bennett, Martin Ramsden, Sylvain E Lesné
UNLABELLED: Despite the demonstration that amyloid-β (Aβ) can trigger increased tau phosphorylation and neurofibrillary tangle (NFT) formation in vivo, the molecular link associating Aβ and tau pathologies remains ill defined. Here, we observed that exposure of cultured primary neurons to Aβ trimers isolated from brain tissue of subjects with Alzheimer's disease led to a specific conformational change of tau detected by the antibody Alz50. A similar association was supported by postmortem human brain analyses...
September 14, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27624800/localized-primary-amyloidosis-of-the-breast-a-case-report-and-review-of-the-literature
#19
Wakako Tsuji, Eiji Takeuchi, Satoshi Oka, Taro Yamashita, Fumiaki Yotsumoto
BACKGROUND: Primary amyloidosis of the breast is an unusual benign disease that mostly occurs in postmenopausal elderly women. Amyloidosis is the deposition of amorphous protein within tissues. Breast biopsy is necessary to make a definite diagnosis in order to avoid unnecessary surgical methods. Localized primary amyloidosis of the breast has a good prognosis. However, secondary amyloidosis is a systemic disease and has a poor prognosis. CASE PRESENTATION: We report the case of a 77-year-old female with primary amyloidosis of the breast...
September 13, 2016: BMC Surgery
https://www.readbyqxmd.com/read/27618296/a-case-of-primary-systemic-amyloidosis-and-type-2-diabetes-presenting-with-nephrotic-syndrome-and-recurrent-periorbital-purpura
#20
Q Yin, Y Fan, X Tang, L Li, Y Zeng, H Liao, S Huang, F Liu
The clinical manifestations of primary systemic amyloidosis with the involvement of a variety of organs, such as the kidney, heart, peripheral nervous system, liver, and so forth, are varied, complicated and nonspecific. The mucocutaneous manifestations, sometimes as the symptom in the early stages of disease, may provide an important clue for the diagnostic suspicion. Here we described a case of primary systemic amyloidosis with the history of Type 2 diabetes mellitus (T2DM) for nine years who had recurrent periorbital purpura in the initial stage, followed by nephrotic syndrome...
February 15, 2016: West Indian Medical Journal
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