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Multiple myeloma AND imaging

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https://www.readbyqxmd.com/read/29025987/preclinical-development-of-cd38-targeted-89-zr-zr-dfo-daratumumab-for-imaging-multiple-myeloma
#1
Anchal Ghai, Dolonchampa Maji, Michael Rettig, Chantiya Chanswangphuwana, John DiPersio, Walter Akers, Samuel Achilefu, Farrokh Dehdashti, Ravi Vij, Monica Shokeen
Multiple myeloma (MM) is a plasma B-cell hematologic cancer that causes significant skeletal morbidity. Despite improvements in survival, heterogeneity in response remains a major challenge in MM. Cluster of differentiation 38 (CD38) is a type II transmembrane glycoprotein over-expressed in myeloma cells and is implicated in MM cell signaling. Daratumumab is US Food and Drug Administration approved high-affinity monoclonal antibody targeting CD38 that is clinically benefiting refractory MM patients. Here, we evaluated [(89)Zr]Zr-DFO-daratumumab positron emission tomography/computed tomography (PET/CT) imaging in MM tumor models...
October 12, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28993162/stability-of-spinal-bone-lesions-in-patients-with-multiple-myeloma-after-radiotherapy-a-retrospective-analysis-of-130-cases
#2
Kristin Lang, Laila König, Thomas Bruckner, Robert Förster, Tanja Sprave, Ingmar Schlampp, Tilman Bostel, Stefan Welte, Nils H Nicolay, Jürgen Debus, Harald Rief
BACKGROUND: The objective of the present retrospective analysis was the response evaluation regarding bone density and stability of patients with osteolytic spinal bone lesions due to multiple myeloma after palliative radiotherapy (RT). PATIENTS AND METHODS: Patients with multiple myeloma who had undergone spinal RT from March 2003 to May 2016 were analyzed before and 3 and 6 months after RT. Assessment of spinal stability and bone density was performed using the internationally recognized Taneichi scoring system and measurement of bone density using computed tomography imaging-based Hounsfield units...
September 19, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28984867/sodium-fluoride-pet-imaging-as-a-quantitative-pharmacodynamic-biomarker-for-bone-homeostasis-during-anti-dkk1-therapy-for-multiple-myeloma
#3
Y Wang, A J Yee, C Sirard, S Landau, N Raje, U Mahmood
No abstract text is available yet for this article.
October 6, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28983379/hypoglossal-nerve-mononeuropathy-as-the-first-presenting-symptom-of-progressing-multiple-myeloma
#4
Neil B Newman, Vidya Puthenpura, Stephanie Mischell, Gabriela Ferreira
Multiple myeloma (MM) rarely presents with a primary neurological dysfunction, and if it does it is usually due to a plasmacytoma. This is the first case to discuss hypoglossal nerve dysfunction as the first sign of MM progression secondary to severe pathophysiologic bone lysis. A PubMed-based literature search was completed on April 17, 2016 for the terms "multiple myeloma" and "hypoglossal nerve neuropathy". A 73-year-old woman with known MM who received little treatment for several years, presented secondary to dysarthria and at first was thought to have hyperviscosity syndrome...
February 2017: World Journal of Oncology
https://www.readbyqxmd.com/read/28962646/pil6-trail-engineered-umbilical-cord-mesenchymal-stromal-stem-cells-are-highly-cytotoxic-for-myeloma-cells-both-in-vitro-and-in-vivo
#5
Paola Cafforio, Luigi Viggiano, Francesco Mannavola, Eleonora Pellè, Concetta Caporusso, Eugenio Maiorano, Claudia Felici, Francesco Silvestris
BACKGROUND: Mesenchymal/stromal stem cells (MSCs) are favorably regarded in anti-cancer cytotherapies for their spontaneous chemotaxis toward inflammatory and tumor environments associated with an intrinsic cytotoxicity against tumor cells. Placenta-derived or TRAIL-engineered adipose MSCs have been shown to exert anti-tumor activity in both in-vitro and in-vivo models of multiple myeloma (MM) while TRAIL-transduced umbilical cord (UC)-MSCs appear efficient inducers of apoptosis in a few solid tumors...
September 29, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28958164/targeted-inhibition-of-human-hematological-cancers-in-vivo-by-doxorubicin-encapsulated-in-smart-lipoic-acid-crosslinked-hyaluronic-acid-nanoparticles
#6
Yinan Zhong, Fenghua Meng, Chao Deng, Xinliang Mao, Zhiyuan Zhong
The chemotherapy of hematological cancers is challenged by its poor selectivity that leads to low therapeutic efficacy and pronounced adverse effects. Here, we report that doxorubicin encapsulated in lipoic acid-crosslinked hyaluronic acid nanoparticles (LACHA-DOX) mediate highly efficacious and targeted inhibition of human hematological cancers including LP-1 human multiple myeloma (MM) and AML-2 human acute myeloid leukemia xenografted in nude mice. LACHA-DOX had a size of ca. 183 nm and a DOX loading content of ca...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28924071/-a-case-of-a-solitary-plasmacytoma-extending-into-the-extradural-space
#7
Hiroshi Nakano, Koichi Kato, Shunsuke Nomura, Masanori Nakagawa, Takashi Higa, Shigeru Kadoyama, Takakazu Kawamata, Hiroshi Ujiie, Akira Teramoto
Plasmacytomas are characterized by a monoclonal proliferation of plasma cells, and constitute the bulk of multiple myeloma. A solitary plasmacytoma is a rare entity, and is even more unlikely to occur intracranially. Here we present a 62-year-old man with an intracranial tumor. Magnetic resonance imaging revealed a large mass on the surface of the right fronto-parieto-temporal region, with extradurally directed growth. The tumor was enhanced homogenously by gadolinium, with dural tail-like findings, which resembled a meningioma...
September 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28916148/chemokine-receptor-directed-imaging-and-therapy
#8
REVIEW
Andreas K Buck, Antje Stolzenburg, Heribert Hänscheid, Andreas Schirbel, Katharina Lückerath, Margret Schottelius, Hans-Jürgen Wester, Constantin Lapa
The C - X - C chemokine receptor 4 (CXCR4) and its natural ligand CXCL12 are key factors in the process of cell migration, homing of hematopoietic stem cells to the bone marrow, and represent important mediators of angiogenesis and cell proliferation. The CXCR4/CXCL12 interplay can be disrupted by CXCR4 antagonists such as Plerixafor which are already in daily clinical use, i.e. for mobilization and subsequent harvesting of hematopoietic progenitor cells and stem cell transplantation. In a pathological condition, involvement in the process of metastasis and homing of cancer cells to a protective niche has been described, making CXCR4 an attractive target for imaging and treatment of malignant diseases...
September 12, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28894561/solitary-plasmacytoma
#9
REVIEW
Sara Grammatico, Emilia Scalzulli, Maria Teresa Petrucci
Solitary plasmacytoma is a rare disease characterized by a localized proliferation of neoplastic monoclonal plasma cells, without evidence of systemic disease. It can be subdivided into solitary bone plasmacytoma if the lesion originates in bone, or solitary extramedullary plasmacytoma if the lesion involves a soft tissue. The incidence of solitary bone plasmacytoma is higher than solitary extramedullary plasmacytoma. Also, the prognosis is different: even if both forms respond well to treatment, overall survival and progression-free survival of solitary bone plasmacytoma are poorer than solitary extramedullary plasmacytoma due to its higher rate of evolution in multiple myeloma...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28875827/multiple-myeloma-associated-intestinal-amyloidosis-intestinal-pseudo-obstruction-falsely-considered-as-an-ascites
#10
Vladimir Milivojevic, Maja Stojanovic, Ivan Rankovic, Marjan Micev, Rada Jesic Vukicevic, Tomica Milosavljevic
INTRODUCTION: Amyloidosis is a group of diseases pathohistologicaly diagnosed by characteristic extracellular deposition of an abnormal fibrillary protein (i.e. amyloid) into organs, leading to organ dysfunction secondary to destruction of normal tissue architecture. METHOD: Case-report of a 44 year-old female, presenting with massive abdominal distension clinically suspected of ascites. RESULTS: On admission, the patient was complaining of nausea, vomiting, abdominal pain, distension and bloating associated with weight loss and diarrhea...
August 29, 2017: Reviews on Recent Clinical Trials
https://www.readbyqxmd.com/read/28871936/xanthoma-like-skin-changes-in-an-elderly-woman-with-a-normal-lipid-profile
#11
Piotr Nockowski, Zdzisław Woźniak, Adam Reich, Joanna Maj
Dear Editor, An 83-year-old woman developed yellow-brownish infiltrates, nodules, and tumors mimicking xanthomas, mostly involving the periorbital and chest area within three months (Figure 1). She had no abnormalities in serum cholesterol or triglycerides levels. A detailed laboratory analysis revealed the presence of mild monoclonal gammopathy with a presence of immunoglobulin G (IgG) kappa light chains; however, according to hematologist consultation, it did not require medical intervention. Imaging assessment and ultrasound examination did not show any specific involvement of internal organs...
July 2017: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/28860954/distinct-clinical-outcomes-between-paramedullary-and-extramedullary-lesions-in-newly-diagnosed-multiple-myeloma
#12
Khishigjargal Batsukh, Sung-Eun Lee, Gi June Min, Sung Soo Park, Young-Woo Jeon, Jae-Ho Yoon, Byung-Sik Cho, Ki-Seong Eom, Yoo-Jin Kim, Hee-Je Kim, Seok Lee, Seok-Goo Cho, Dong-Wook Kim, Jong Wook Lee, Woo-Sung Min, Chang-Ki Min
This retrospective study aimed to compare the clinical features of paramedullary lesions (PLs) and extramedullary lesions (ELs) of plasmacytomas at diagnosis, using positron emission tomography integrated with computed tomography, using glucose labeled with the positron-emitting radionuclide (18)F ((18)F-FDG-PET/CT) in newly diagnosed multiple myeloma (NDMM), and to address their prognostic impact. Sixty-four patients with NDMM presenting ELs (n=22) and/or PLs (n=42) were included. Patients with ELs at initial presentation had unfavorable laboratory parameters of calcium and lactate dehydrogenase, a higher percentage of bone marrow plasma cells, and showed a trend toward advanced international staging system (ISS), compared to patients with PLs...
August 2017: Immune Network
https://www.readbyqxmd.com/read/28841211/whole-body-computed-tomography-versus-conventional-skeletal-survey-in-patients-with-multiple-myeloma-a-study-of-the-international-myeloma-working-group
#13
J Hillengass, L A Moulopoulos, S Delorme, V Koutoulidis, J Mosebach, T Hielscher, M Drake, S V Rajkumar, B Oestergaard, N Abildgaard, M Hinge, T Plesner, Y Suehara, K Matsue, N Withofs, J Caers, A Waage, H Goldschmidt, M A Dimopoulos, S Lentzsch, B Durie, E Terpos
For decades, conventional skeletal survey (CSS) has been the standard imaging technique for multiple myeloma (MM). However, recently whole-body computed tomography (WBCT) has been implemented into the diagnostic criteria of MM. This analysis compares sensitivity and prognostic significance of WBCT and CSS in patients with smoldering MM (SMM) and MM. Fifty-four of 212 patients (25.5%) had a negative CSS and a positive WBCT for osteolytic lesions (P<0.0001). Of 66 patients with SMM based on CSS, 12 (22.2%) had osteolytic lesions on WBCT...
August 25, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28822997/18f-fdg-pet-ct-in-solitary-plasmacytoma-metabolic-behavior-and-progression-to-multiple-myeloma
#14
Domenico Albano, Giovanni Bosio, Giorgio Treglia, Raffaele Giubbini, Francesco Bertagna
PURPOSE: Solitary plasmacytoma (SP) is a rare plasma-cell neoplasm, which can develop both in skeletal and/or soft tissue and frequently progresses to multiple myeloma (MM). Our aim was to study the metabolic behavior of SP and the role of 18F-FDG-PET/CT in predicting progression to MM. MATERIALS AND METHODS: Sixty-two patients with SP who underwent 18F-FDG-PET/CT before any treatment were included. PET images were qualitatively and semiquantitatively analyzed by measuring the maximum standardized uptake value body weight (SUVbw), lean body mass (SUVlbm), body surface area (SUVbsa), metabolic tumor volume (MTV), total lesion glycolysis (TLG) and compared with age, sex, site of primary disease, and tumor size...
August 19, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28814763/spatial-genomic-heterogeneity-in-multiple-myeloma-revealed-by-multi-region-sequencing
#15
L Rasche, S S Chavan, O W Stephens, P H Patel, R Tytarenko, C Ashby, M Bauer, C Stein, S Deshpande, C Wardell, T Buzder, G Molnar, M Zangari, F van Rhee, S Thanendrarajan, C Schinke, J Epstein, F E Davies, B A Walker, T Meissner, B Barlogie, G J Morgan, N Weinhold
In multiple myeloma malignant plasma cells expand within the bone marrow. Since this site is well-perfused, a rapid dissemination of "fitter" clones may be anticipated. However, an imbalanced distribution of multiple myeloma is frequently observed in medical imaging. Here, we perform multi-region sequencing, including iliac crest and radiology-guided focal lesion specimens from 51 patients to gain insight into the spatial clonal architecture. We demonstrate spatial genomic heterogeneity in more than 75% of patients, including inactivation of CDKN2C and TP53, and mutations affecting mitogen-activated protein kinase genes...
August 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28806822/-multiple-myeloma-current-status-in-diagnostic-testing-and-therapy
#16
Michael Kehrer, Sebastian Koob, Andreas Strauss, Dieter Christian Wirtz, Jan Schmolders
Background Multiple myeloma is a haematological blood cancer of the bone marrow and is classified by the World Health Organisation (WHO) as a plasma cell neoplasm. In multiple myeloma, normal plasma cells transform into malignant myeloma cells and produce large quantities of an abnormal immunoglobulin called monoclonal protein or M protein. This ultimately causes multiple myeloma symptoms such as bone damage or kidney problems. The annual worldwide incidence of multiple myeloma is estimated to be 6 - 7/100,000 and accounts for 1% of all cancer...
October 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28799843/multiple-myeloma-and-dual-energy-ct-diagnostic-accuracy-of-virtual-noncalcium-technique-for-detection-of-bone-marrow-infiltration-of-the-spine-and-pelvis
#17
Aleksander Kosmala, Andreas Max Weng, Anke Heidemeier, Bernhard Krauss, Stefan Knop, Thorsten Alexander Bley, Bernhard Petritsch
Purpose To determine the diagnostic performance of dual-energy computed tomography (CT) for detection of bone marrow (BM) infiltration in patients with multiple myeloma by using a virtual noncalcium (VNCa) technique. Materials and Methods In this prospective study, 34 consecutive patients with multiple myeloma or monoclonal gammopathy of unknown significance sequentially underwent dual-energy CT and magnetic resonance (MR) imaging of the axial skeleton. Two independent readers visually evaluated standard CT and color-coded VNCa images for the presence of BM involvement...
August 11, 2017: Radiology
https://www.readbyqxmd.com/read/28790098/orbital-multiple-myeloma-a-diagnostic-challenge
#18
Evelyn Tai, See Khim Sim, Juhara Haron, Wan-Hazabbah Wan Hitam
Orbital involvement in multiple myeloma is unusual. We describe the case of an 85-year-old woman who presented with right eye proptosis, reduced visual acuity and diplopia. Computed tomography showed a lobulated, enhancing soft tissue mass arising from the right greater wing of the sphenoid with intraconal, lacrimal gland and ocular muscle involvement. Histopathology revealed predominantly atypical plasma cells in a background of reactive lymphocytes, with monoclonality towards kappa light chain protein, suggestive of multiple myeloma...
August 7, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28766001/dynamic-contrast-enhanced-magnetic-resonance-imaging-parameters-correlate-with-advanced-revised-iss-and-angiopoietin-1-angiopoietin-2-ratio-in-patients-with-multiple-myeloma
#19
Evangelos Terpos, Dimitris Matsaridis, Vassilis Koutoulidis, Flora Zagouri, Dimitrios Christoulas, Sophia Fontara, Evangelia Panourgias, Maria Gavriatopoulou, Efstathios Kastritis, Meletios A Dimopoulos, Lia A Moulopoulos
The aim of the study was to assess the value of dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) in patients with newly diagnosed multiple myeloma (MM) who were treated with novel anti-myeloma agents. We studied 60 previously untreated MM patients at diagnosis, 14 with smoldering MM (SMM) and 5 with MGUS. All patients underwent MRI of the thoracolumbar spine and pelvis before the administration of any kind of therapy, and DCE-MRI was performed. The MRI perfusion parameters evaluated were wash-in (WIN), washout (WOUT), time-to-peak (TTPK), time-to-maximum slope (TMSP), and the WIN/TMSP ratio...
August 1, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28744319/-177-lu-pentixather-comprehensive-preclinical-characterization-of-a-first-cxcr4-directed-endoradiotherapeutic-agent
#20
Margret Schottelius, Theresa Osl, Andreas Poschenrieder, Frauke Hoffmann, Seval Beykan, Heribert Hänscheid, Andreas Schirbel, Andreas K Buck, Saskia Kropf, Markus Schwaiger, Ulrich Keller, Michael Lassmann, Hans-Jürgen Wester
Purpose: Based on the clinical relevance of the chemokine receptor 4 (CXCR4) as a molecular target in cancer and on the success of [(68)Ga]pentixafor as an imaging probe for high-contrast visualization of CXCR4-expression, the spectrum of clinical CXCR4-targeting was expanded towards peptide receptor radionuclide therapy (PRRT) by the development of [(177)Lu]pentixather. Experimental design: CXCR4 affinity, binding specificity, hCXCR4 selectivity and internalization efficiency of [(177)Lu]pentixather were evaluated using different human and murine cancer cell lines...
2017: Theranostics
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