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Plasma cell dyscrasia

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https://www.readbyqxmd.com/read/29316245/flow-cytometric-aberrancies-in-plasma-cell-myeloma-and-mgus-correlation-with-laboratory-parameters
#1
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/29279596/light-chain-multiple-myeloma-an-evaluation-of-its-biochemical-investigations
#2
S Y Zahari Sham, S C Thambiah, I N Samsudin, S M Lim
Multiple myeloma is a type of plasma cell dyscrasia, characterised by presence of paraprotein or monoclonal (M)-protein in serum or urine. The M-protein may consist of an intact immunoglobulin, the heavy chain only or the light chain only. The latter, designated as light chain multiple myeloma (LCMM) makes up almost 20% of myelomas. Clinical manifestation is often heralded by hypercalcaemia, renal impairment, normocytic normochromic anaemia and bone lesions, reflecting end-organ damage, collectively known as the acronym CRAB...
December 2017: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/29209044/biological-and-prognostic-impact-of-apobec-induced-mutations-in-the-spectrum-of-plasma-cell-dyscrasias-and-multiple-myeloma-cell-lines
#3
F Maura, M Petljak, M Lionetti, I Cifola, W Liang, E Pinatel, L Alexandrov, A Fullam, I Martincorena, K J Dawson, N Angelopoulos, M K Samur, R Szalat, J Zamora, P Tarpey, H Davies, P Corradini, K Anderson, S Minvielle, A Neri, H Avet-Loiseau, J J Keats, P J Campbell, N Munshi, N Bolli
Leukemia accepted article preview online, 06 December 2017. doi:10.1038/leu.2017.345.
December 6, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/29199718/multiple-myeloma-experience-of-an-institute-in-limited-resource-setting
#4
Linu Abraham Jacob, M C Suresh Babu, K C Lakshmaiah, K Govind Babu, D Lokanatha, L K Rajeev, K N Lokesh, A H Rudresha, Ankit Agarwal, Sunny Garg
INTRODUCTION: Multiple myeloma (MM) is a plasma cell dyscrasias and an incurable clonal B-cell malignancy, with an annual incidence of 1% of all malignancies. The mainstay of treatment of myeloma is induction treatment followed by consolidation with autologous stem cell transplant (ASCT). However, still in a developing country like India where affordability is a major hurdle for health care, a number of MM patients are not able to undergo ASCT. AIM: To study the epidemiological features and outcome of MM patients treated in a limited resource setting...
January 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29184450/coexisting-multiple-myeloma-lymphoma-and-non-small-cell-lung-cancer-a-case-report-and-review-of-the-literature
#5
Parth Khade, Srinivas Devarakonda
Multiple myeloma is a plasma cell dyscrasia characterized by neoplastic proliferation of plasma cells, producing a monoclonal immunoglobulin. Small lymphocytic lymphoma (SLL) is a neoplasm consisting of monoclonal B-cell lymphocyte proliferation. We present an extremely rare case of coexisting multiple myeloma, SLL, and squamous cell carcinoma of the lung in a 74-year-old female patient. She initially presented with a midline mass with pain in the lumbar area. Debulking surgery was performed, and pathology showed plasmacytoma...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/29176541/diffuse-peritoneal-and-bowel-wall-infiltration-by-light-chain-al-amyloidosis-with-omental-calcification-mimicking-abdominal-carcinomatosis-an-elderly-female-with-incidental-finding-of-light-chain-monoclonal-gammopathy-of-undetermined-significance-lc-mgus
#6
Shoaib Junejo, Yasir Ali, Sandeep Singh Lubana, Sandeep S Tuli
BACKGROUND Amyloidosis is the extracellular tissue deposition of plasma proteins, which after conformational changes, forms antiparallel beta pleated sheets of fibrils. Amyloid light-chain (AL) is a type of amyloidosis that is due to deposition of proteins derived from immunoglobulin (Ig) light chains. Gastrointestinal tract (GIT) involvement most often found in amyloid A (AA) amyloidosis type. There have been no reports of obstructive GIT AL amyloid patients having monoclonal gammopathy of undetermined significance (MGUS)...
November 25, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/29166521/case-for-diagnosis-systemic-light-chain-amyloidosis-with-cutaneous-involvement
#7
João Renato Vianna Gontijo, Jackson Machado Pinto, Maysa Carla de Paula
Systemic light chain amiloydosis is a rare disease. Due to its typical cutaneous lesions, dermatologists play an essential role in its diagnosis. Clinical manifestations vary according to the affected organ and are often unspecific. Definitive diagnosis is achieved through biopsy. We report a patient with palpebral amyloidosis, typical bilateral ecchymoses and cardiac involvement, without plasma cell dyscrasia or lymphomas. The patient died shortly after the diagnosis.
September 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/29159010/multiple-myeloma-presenting-as-acute-renal-failure-in-the-absence-of-other-characteristic-features
#8
Zachary N Gastelum, Diana M Biggs, Aaron Scott
This case report describes a 54-year-old, asymptomatic man who presented with hyperkalemia on routine lab testing who was later found to have acute renal failure, unresponsive to fluid resuscitation, with minimal improvement after hemodialysis. After a comprehensive evaluation ruled out common causes of acute renal failure, the patient underwent testing with a bone survey, urine protein electrophoresis (UPEP), serum protein electrophoresis (SPEP), and immunoelectrophoresis for suspected plasma cell dyscrasia and received plasmapheresis for hyperviscosity syndrome and nephrotoxicity, which resulted in improved renal function...
September 20, 2017: Curēus
https://www.readbyqxmd.com/read/29157614/poems-syndrome-diagnosis-and-investigative-work-up
#9
REVIEW
Angela Dispenzieri, Taxiarchis Kourelis, Francis Buadi
POEMS syndrome is a rare paraneoplastic syndrome secondary to a plasma cell dyscrasia. Recognition of a combination of peripheral neuropathy, organomegaly, endocrinopathy, monoclonal plasmaproliferative disorder, skin changes, papilledema, extravascular volume overload, sclerotic bone lesions, thrombocytosis, and Castleman disease is the first step in managing the disease. Increased blood levels of vascular endothelial growth factor are usually confirmatory. This rare disorder should not be missed, especially if the patient has a putative diagnosis of chronic inflammatory polyradiculoneuropathy, a lambda restricted monoclonal gammopathy, and thrombocytosis, and is not responding as expected to immunomodulatory therapy commonly used for chronic inflammatory polyradiculoneuropathy...
February 2018: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/29142973/renal-amyloidosis-associated-with-5-novel%C3%A2-variants-in-the-fibrinogen-a-alpha-chain-protein
#10
Dorota Rowczenio, Maria Stensland, Gustavo A de Souza, Erik H Strøm, Janet A Gilbertson, Graham Taylor, Nigel Rendell, Shane Minogue, Yvonne A Efebera, Helen J Lachmann, Ashutosh D Wechalekar, Philip N Hawkins, Ketil R Heimdal, Kristian Selvig, Inger K Lægreid, Nathalie Demoulin, Selda Aydin, Julian D Gillmore, Tale N Wien
Introduction: Fibrinogen A alpha chain amyloidosis is an autosomal dominant disease associated with mutations in the fibrinogen A alpha chain (FGA) gene, and it is the most common cause of hereditary renal amyloidosis in the UK. Patients typically present with kidney impairment and progress to end-stage renal disease over a median time of 4.6 years. Methods: Six patients presented with proteinuria, hypertension, and/or lower limb edema and underwent detailed clinical and laboratory investigations...
May 2017: KI Reports
https://www.readbyqxmd.com/read/29128071/diagnosis-of-plasma-cell-dyscrasias-and-monitoring-of-minimal-residual-disease-by-multiparametric-flow-cytometry
#11
REVIEW
Kah Teong Soh, Joseph D Tario, Paul K Wallace
Plasma cell dyscrasia (PCD) is a heterogeneous disease that has seen a tremendous change in outcomes due to improved therapies. Over the past few decades, multiparametric flow cytometry has played an important role in the detection and monitoring of PCDs. Flow cytometry is a high-sensitivity assay for early detection of minimal residual disease (MRD) that correlates well with progression-free survival and overall survival. Before flow cytometry can be effectively implemented in the clinical setting, sample preparation, panel configuration, analysis, and gating strategies must be optimized to ensure accurate results...
December 2017: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/29111449/editorial-on-laboratory-diagnosis-and-management-of-plasma-cell-dyscrasias-special-issue
#12
EDITORIAL
David Keren, Christopher R McCudden, Ronald A Booth
No abstract text is available yet for this article.
October 27, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/29107338/prevalence-and-clinicopathologic-characteristics-of-multiple-myeloma-with-cutaneous-involvement-a-case-series-from-korea
#13
Yu Ri Woo, Jong Sic Kim, Ji Hong Lim, Sewon Hwang, Miri Kim, Jung Min Bae, Young Min Park, Chang-Ki Min, Dong-Wook Kim, Hyun Jeong Park
BACKGROUND: Multiple myeloma (MM) is a plasma cell dyscrasia characterized by the presence of a clonal proliferation of tumor cells. Cutaneous involvement of MM is very rare and remains poorly understood. OBJECTIVE: The aim of this study was to examine the clinical and histopathologic characteristics of cutaneous involvement in MM and identify factors associated with overall survival of MM with cutaneous involvement. METHODS: The medical records of 1228 patients with MM were retrieved and analyzed...
October 26, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29106288/localized-gastrointestinal-amyloidosis-presenting-with-protein-losing-enteropathy-and-massive-hemorrhage
#14
Bárbara Corrêa, Cristiane Kibune Nagasako, Ciro Garcia Montes, Marlone Cunha-Silva, Maria Aparecida Mesquita
Amyloidosis of the gastrointestinal tract is usually a systemic disease. Localized gastrointestinal amyloidosis without evidence of extraintestinal involvement or an associated plasma cell dyscrasia is uncommon and does not usually cause death. We report a case of a patient with localized gastrointestinal amyloidosis who presented with protein-losing enteropathy and a fatal upper gastrointestinal bleed.
November 6, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/29065679/localized-gastric-amyloidosis-with-kappa-and-lambda-light-chain-co-expression
#15
Yong Hwan Ahn, Ye Young Rhee, Suck Chei Choi, Geom Seog Seo
Esophagogastroduodenoscopy for cancer screening was performed in a 55-year-old woman as part of a health screening program, and revealed a depressed lesion approximately 20 mm in diameter in the lesser curvature of the mid-gastric body. Several biopsy specimens were collected as the lesion resembled early gastric cancer; however, histopathologic evaluation revealed chronic active gastritis with an ulcer and amorphous eosinophilic material deposition. Congo red staining identified amyloid proteins, and apple-green birefringence was shown using polarized light microscopy...
October 26, 2017: Clinical Endoscopy
https://www.readbyqxmd.com/read/29057130/cutaneous-vasculitis-an-unusual-presentation-of-a-biclonal-nodal-plasma-cell-dyscrasia
#16
D Swan, M Murphy, E Elhassadi
We describe an unusual case of a biclonal nodal plasma cell dyscrasia, presenting with a vasculitic rash, end-organ damage, and cytopenias. Serum protein electrophoresis demonstrated a biclonal kappa-restricted paraprotein, with a negative skeletal survey and no bone marrow disease. Fluorodeoxyglucose-PET-CT (FDG-PET-CT) revealed nodal involvement, which was not appreciable clinically, and facilitated biopsy, confirming the diagnosis of a nodal plasmacytoma. Complete biochemical response and resolution of the vasculitic rash were achieved with bortezomib-based therapy...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/29056130/an-adult-with-polyneuropathy-and-hypogonadism-due-to-poems-syndrome
#17
Saba Zaidi, Sidra Sattar, Khealani Bhojo Asumal
POEMS (acronym for polyneuropathy, organomegaly, endocrinopathy, M protein myeloma and skin changes), is a rare disease which occurs in the setting of plasma cell dyscrasias. We describe a case of an adult lady who presented with gradual onset weakness of all four limbs and multisystem involvement characterized by pedal edema, ascites, hyperpigmentation and hypogonadism. Nerve conduction study showed severe sensorimotor polyneuropathy. Serum immunofixation showed lambda light chain restricted monoclonal gammopathy...
October 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29053157/current-applications-of-multiparameter-flow-cytometry-in-plasma-cell-disorders
#18
REVIEW
T Jelinek, R Bezdekova, M Zatopkova, L Burgos, M Simicek, T Sevcikova, B Paiva, R Hajek
Multiparameter flow cytometry (MFC) has become standard in the management of patients with plasma cell (PC) dyscrasias, and could be considered mandatory in specific areas of routine clinical practice. It plays a significant role during the differential diagnostic work-up because of its fast and conclusive readout of PC clonality, and simultaneously provides prognostic information in most monoclonal gammopathies. Recent advances in the treatment and outcomes of multiple myeloma led to the implementation of new response criteria, including minimal residual disease (MRD) status as one of the most relevant clinical endpoints with the potential to act as surrogate for survival...
October 20, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/29046749/an-unusual-case-of-chronic-lymphocytic-leukemia-multiple-myeloma-and-cardiac-amyloidosis
#19
Dongyan Liu, Hakim T Uqdah, Alisha D Gordy
Light chain amyloidosis has very rarely been reported in association with chronic lymphocytic leukemia (CLL). We reported on a 76-years-old female who presented with simultaneous kappa-restricted chronic lymphocytic leukemia (CLL) and a lambda-restricted multiple myeloma with plasma cells causing AL amyloidosis involving the heart. While monoclonal immunoglobulins occasionallyproduced by CLL have previously been implicated in AL amyloidosis, there only a few cases reported of AL amyloidosis resulting from a distinct plasma cell dyscrasia that is not clonally related to the concurrent CLL...
October 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/29035194/clinicopathologic-characteristics-of-light-chain-proximal-tubulopathy-with-light-chain-inclusions-involving-multiple-renal-cell-types%C3%A2
#20
Xiaomei Li, Feng Xu, Dandan Liang, Shaoshan Liang, Xiaodong Zhu, Mingchao Zhang, Xianghua Huang, Zhihong Liu, Caihong Zeng
Light chain proximal tubulopathy (LCPT) associated with plasma cell dyscrasias is a rare abnormality, especially cases involving multiple cell types. The aim of this study is to explore the characteristics and outcomes of these diseases. We comprehensively evaluated the clinical-pathological data, treatment, and outcomes of 6 LCPT patients with involvement of multiple cell types. In 3 cases, we found that the inclusions largely existed in tubular cells, while in 2 cases they coexisted in podocytes and tubular cells, and in 1 case they coexisted in histiocytes and tubular cells...
October 16, 2017: Clinical Nephrology
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