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https://www.readbyqxmd.com/read/29903564/nuclear-medicine-imaging-in-the-dentomaxillofacial-region
#1
REVIEW
Heidi R Wassef, Patrick M Colletti
Nuclear medicine studies evaluate physiology on a molecular level providing earlier detection of lesions before morphologic change is evident. 99m Tc-MDP and 18 F-fluoride bone scans detect osteomyelitis earlier than radiographs and computed tomography (CT); aid in diagnosis of temporomandibular joint disorder; and evaluate activity of condylar hyperplasia, extent of Paget disease, and viability of bone grafts. 18 F-FDG PET/CT distinguish between soft tissue and bone infections and diagnose osteomyelitis complicated by fracture or surgery...
July 2018: Dental Clinics of North America
https://www.readbyqxmd.com/read/29899994/two-novel-vcp-missense-variants-identified-in-japanese-patients-with-multisystem-proteinopathy
#2
Michio Inoue, Aritoshi Iida, Shinichiro Hayashi, Madoka Mori-Yoshimura, Atsushi Nagaoka, Shunsuke Yoshimura, Hirokazu Shiraishi, Akira Tsujino, Yuji Takahashi, Ikuya Nonaka, Yukiko K Hayashi, Satoru Noguchi, Ichizo Nishino
VCP mutations were first associated with inclusion body myopathy with Paget's disease of bone and frontotemporal dementia (IBMPFD) but was later associated with amyotrophic lateral sclerosis and Charcot-Marie-Tooth disease. Now, a new name, "multisystem proteinopathy (MSP)", is proposed for this condition. VCP encodes valosin-containing protein, which is involved in protein degradation in the ubiquitin proteasome system. We report here two MSP patients with two novel heterozygous missense variants in VCP : c...
2018: Human Genome Variation
https://www.readbyqxmd.com/read/29894358/-pigmented-extramammary-paget-disease-a-potential-mimicker-of-malignant-melanoma-and-a-pitfall-in-diagnosis-a-case-report-and-review-of-the-literature
#3
Katrin Kiavash, Steve Kim, Andrew D Thompson
Extramammary Paget disease (EMPD) is a rare intraepithelial carcinoma and an uncommon variant of Paget disease affecting areas of the apocrine-rich skin of the perineum, vulva, and less commonly, axilla. Women in their sixth to eighth decades are commonly affected. It is exceedingly rare for EMPD to present on the face, chest, abdomen, or other nonapocrine sites and even more unusual for EMPD to present as a pigmented lesion. The relationship between Paget cells in pigmented extramammary Paget disease (PEMPD) and reactive proliferation and colonization by melanocytes has been poorly explored...
June 7, 2018: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/29884140/distribution-of-influenza-virus-types-by-age-using-case-based-global-surveillance-data-from-twenty-nine-countries-1999-2014
#4
Saverio Caini, Peter Spreeuwenberg, Gabriela F Kusznierz, Juan Manuel Rudi, Rhonda Owen, Kate Pennington, Sonam Wangchuk, Sonam Gyeltshen, Walquiria Aparecida Ferreira de Almeida, Cláudio Maierovitch Pessanha Henriques, Richard Njouom, Marie-Astrid Vernet, Rodrigo A Fasce, Winston Andrade, Hongjie Yu, Luzhao Feng, Juan Yang, Zhibin Peng, Jenny Lara, Alfredo Bruno, Doménica de Mora, Celina de Lozano, Maria Zambon, Richard Pebody, Leticia Castillo, Alexey W Clara, Maria Luisa Matute, Herman Kosasih, Nurhayati, Simona Puzelli, Caterina Rizzo, Herve A Kadjo, Coulibaly Daouda, Lyazzat Kiyanbekova, Akerke Ospanova, Joshua A Mott, Gideon O Emukule, Jean-Michel Heraud, Norosoa Harline Razanajatovo, Amal Barakat, Fatima El Falaki, Sue Q Huang, Liza Lopez, Angel Balmaseda, Brechla Moreno, Ana Paula Rodrigues, Raquel Guiomar, Li Wei Ang, Vernon Jian Ming Lee, Marietjie Venter, Cheryl Cohen, Selim Badur, Meral A Ciblak, Alla Mironenko, Olha Holubka, Joseph Bresee, Lynnette Brammer, Phuong Vu Mai Hoang, Mai Thi Quynh Le, Douglas Fleming, Clotilde El-Guerche Séblain, François Schellevis, John Paget
BACKGROUND: Influenza disease burden varies by age and this has important public health implications. We compared the proportional distribution of different influenza virus types within age strata using surveillance data from twenty-nine countries during 1999-2014 (N=358,796 influenza cases). METHODS: For each virus, we calculated a Relative Illness Ratio (defined as the ratio of the percentage of cases in an age group to the percentage of the country population in the same age group) for young children (0-4 years), older children (5-17 years), young adults (18-39 years), older adults (40-64 years), and the elderly (65+ years)...
June 8, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29881196/disappearing-hemipelvis-low-grade-osteosarcoma-an-unusual-and-poorly-described-variant-of-paget-s-sarcoma
#5
Jarrad M Stevens, Hannah Flower, Donald Salter, James T Patton
Paget's sarcomatous transformation is a rare and potentially fatal complication of Paget's disease. Histologically, it is typically described as a high-grade and extremely aggressive malignancy. We present an unusual radiographic series from a patient diagnosed with a low-grade Paget's osteosarcoma, a very rare and poorly described variant of the disease.
June 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29880223/hearing-in-paget-s-disease-of-bone
#6
Emilio Amilibia Cabeza, Susana Holgado Pérez, Marta Pérez Grau, Carme Moragues Pastor, Francesc Roca-Ribas Serdà, Miquel Quer Agustí
INTRODUCTION AND OBJECTIVES: Paget's disease of bone (PDB) may lead to hearing loss. The present study was conducted with the aim of measuring, characterizing and determining the risk factors for hearing loss in a group of subjects with PDB. METHODS: An observational, transversal, case-control study was conducted, a cohort of 76 subjects diagnosed with PDB in the case group and a control group of 134 subjects were included. Clinical, demographic and audiometric data were analysed...
June 4, 2018: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/29867991/optineurin-a-coordinator-of-membrane-associated-cargo-trafficking-and-autophagy
#7
REVIEW
Thomas A Ryan, David A Tumbarello
Optineurin is a multifunctional adaptor protein intimately involved in various vesicular trafficking pathways. Through interactions with an array of proteins, such as myosin VI, huntingtin, Rab8, and Tank-binding kinase 1, as well as via its oligomerisation, optineurin has the ability to act as an adaptor, scaffold, or signal regulator to coordinate many cellular processes associated with the trafficking of membrane-delivered cargo. Due to its diverse interactions and its distinct functions, optineurin is an essential component in a number of homeostatic pathways, such as protein trafficking and organelle maintenance...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29867959/thymic-program-directing-the-functional-development-of-%C3%AE-%C3%AE-t17-cells
#8
REVIEW
Youenn Jouan, Emmanuel C Patin, Maya Hassane, Mustapha Si-Tahar, Thomas Baranek, Christophe Paget
γδT cells comprise a unique T cell sublineage endowed with a wide functional repertoire, which allow them to play important-sometimes opposite-roles in many immune responses associated with infection, cancer, and inflammatory processes. This is largely dependent on the existence of pre-programmed discrete functional subsets that differentiate within the thymus at specific temporal windows of life. Since they represent a major early source of interleukin-17A in many models of immune responses, the γδT17 cell population has recently gained considerable interest...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29862271/beneficial-effects-of-concentrated-growth-factors-and-resveratrol-on-human-osteoblasts-in-vitro-treated-with-bisphosphonates
#9
Elisa Borsani, Veronica Bonazza, Barbara Buffoli, Pier Francesco Nocini, Massimo Albanese, Francesca Zotti, Francesco Inchingolo, Rita Rezzani, Luigi F Rodella
Bisphosphonates are primary pharmacological agents against osteoclast-mediated bone loss and widely used in the clinical practice for prevention and treatment of a variety of skeletal conditions, such as low bone density and osteogenesis imperfecta, and pathologies, such as osteoporosis, malignancies metastatic to bone, Paget disease of bone, multiple myeloma, and hypercalcemia of malignancy. However, long-term bisphosphonate treatment is associated with pathologic conditions including osteonecrosis of the jaw, named BRONJ, which impaired bone regeneration process...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29862010/sensitivity-and-specificity-of-the-ecas-in-parkinson-s-disease-and-progressive-supranuclear-palsy
#10
Jennifer A Foley, Elaine H Niven, Andrew Paget, Kailash P Bhatia, Simon F Farmer, Paul R Jarman, Patricia Limousin, Thomas T Warner, Huw R Morris, Thomas H Bak, Sharon Abrahams, Lisa Cipolotti
Disentangling Parkinson's disease (PD) and progressive supranuclear palsy (PSP) may be a diagnostic challenge. Cognitive signs may be useful, but existing screens are often insufficiently sensitive or unsuitable for assessing people with motor disorders. We investigated whether the newly developed ECAS, designed to be used with people with even severe motor disability, was sensitive to the cognitive impairment seen in PD and PSP and able to distinguish between these two disorders. Thirty patients with PD, 11 patients with PSP, and 40 healthy controls were assessed using the ECAS, as well as an extensive neuropsychological assessment...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/29858537/clinical-characteristics-and-severity-of-influenza-infections-by-virus-type-subtype-and-lineage-a-systematic-literature-review
#11
Saverio Caini, Madelon Kroneman, Therese Wiegers, Clotilde El Guerche-Séblain, John Paget
AIM: Studies carried out in the early 2000s found that the number of influenza-associated hospitalizations and deaths was highest in seasons dominated by A(H3N2), suggesting that the clinical presentation and severity of influenza may differ across virus types, subtypes and lineages. We aimed to review the studies that examined this hypothesis. METHOD: We conducted a literature review of studies published until January 2017 that compared the clinical presentation, disease severity, and case-fatality ratio of influenza patients infected with different virus types (A, B), subtypes (pre-pandemic A(H1N1), A(H1N1)p, A(H3N2)) and lineages (Victoria, Yamagata)...
June 2, 2018: Influenza and Other Respiratory Viruses
https://www.readbyqxmd.com/read/29805822/r-inguinal-r-scrotum-extramammary-paget-s-disease-with-diffuse-spine-metastasis-complicated-by-microangiopathic-hemolytic-anemia
#12
Alay Mansurov, Eric Christenson
A 47-year-old male presented with a groin lesion in 2011. Initial treatment with antifungals and vinegar was unsuccessful. In 2016, biopsy of this lesion was pursued with diagnosis of extramammary Paget's disease (EMPD). Prior to the scheduled excision, he developed constant lower back pain with radiation to his lower extremities. MRI confirmed vertebral metastasis. Despite surgical and radiation therapy, his back pain progressed, and repeat imaging showed epidural spread of tumor in the thoracic spine. Later, the patient was admitted to the hospital due to severe anemia and thrombocytopenia...
2018: Case Reports in Hematology
https://www.readbyqxmd.com/read/29804724/evidence-based-screening-recommendations-for-occult-cancers-in-the-setting-of-newly-diagnosed-extramammary-paget-disease
#13
Adam R Schmitt, Beverly J Long, Amy L Weaver, Michaela E McGree, Jamie N Bakkum-Gamez, Jerry D Brewer, William A Cliby
OBJECTIVES: To identify the rates of associated and occult cancers in patients with extramammary Paget disease (EMPD) discovered using cancer screening methods at a tertiary medical center; to propose evidence-based cancer screening guidelines at the time of diagnosis of EMPD; and to clarify terminology associating EMPD with underlying malignancies. PATIENTS AND METHODS: A retrospective review of patients with histologically confirmed EMPD presenting for care at our institution between January 1, 1992, and December 31, 2015, was performed...
May 24, 2018: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/29804428/-establishment-and-application-of-three-dimensional-model-of-deep-inferior-epigastric-artery-perforator-flap-based-on-computed-tomography-angiography
#14
L Yang, B R Fang, J Y He, X C Wang
Objective: To explore the establishment and application of three-dimensional model of deep inferior epigastric artery perforator flap based on computed tomography angiography (CTA). Methods: Six patients with breast absence after modified radical mastectomy because of breast cancer, 5 patients with congenital absence of vagina, and 6 patients with Paget's disease of penis and scrotum were hospitalized in our unit from January 2012 to April 2017. The size of wounds after excision of the lesion or that of flaps needed for reconstruction ranged from 17 cm×5 cm to 25 cm×9 cm...
May 20, 2018: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29800570/necrostatin-7-suppresses-rank-nfatc1-signaling-and-attenuates-macrophage-to-osteoclast-differentiation
#15
Hiroaki Fuji, Saori Ohmae, Naruto Noma, Masatoshi Takeiri, Hideto Yasutomi, Kazuya Izumi, Moe Ito, Masayasu Toyomoto, Soichiro Iwaki, Kenji Takemoto, Satoru Seo, Kojiro Taura, Shigeaki Hida, Mineyoshi Aoyama, Yasushi Ishihama, Masatoshi Hagiwara, Norihiko Takeda, Etsuro Hatano, Keiko Iwaisako, Shinji Uemoto, Masataka Asagiri
Osteoclasts play a crucial role in osteolytic bone diseases, such as osteoporosis, rheumatoid arthritis, periodontitis, Paget's disease of bone and bone metastatic tumors. Therefore, controlling osteoclast differentiation and function has been considered a promising therapeutic strategy. Here, we show that necrostatin (Nec)-7, an inhibitor of programmed necrosis, strongly suppressed receptor activator of nuclear factor (NF)-κB ligand (RANKL)-induced osteoclastogenesis and bone resorption, without compromising macrophage colony-stimulating factor (M-CSF)-supported survival and growth of osteoclast precursor cells...
May 22, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29793956/restriction-of-%C3%AE-34-5-deleted-oncolytic-herpes-simplex-virus-replication-in-glioblastoma-stem-like-cells
#16
Cole Peters, Max Paget, Kizito-Tshitoko Tshilenge, Dipongkor Saha, Slawomir Antoszczyk, Anouk Baars, Thomas Frost, Robert L Martuza, Hiroaki Wakimoto, Samuel D Rabkin
Oncolytic viruses, including herpes simplex viruses (HSVs), are a new class of cancer therapeutic engineered to infect and kill cancer cells, while sparing normal tissue. To ensure that oncolytic HSV (oHSV) is safe in the brain, all oHSVs in clinical trial for glioma lack the γ34.5 genes responsible for neurovirulence. However, loss of γ34.5 attenuates growth in cancer cells. Glioblastoma (GBM) is a lethal brain tumor that is heterogeneous and contains a subpopulation of cancer stem cells, termed GBM stem-like cells (GSCs), that likely promote tumor progression and recurrence...
May 23, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29790994/european-public-health-news
#17
Dineke Zeegers Paget, Natasha Azzopardi Muscat, Dineke Zeegers Paget, Zsuzsanna Jakab, Vytenis Andriukaitis, Ivan Eržen
No abstract text is available yet for this article.
June 1, 2018: European Journal of Public Health
https://www.readbyqxmd.com/read/29787268/bisphosphonate-generated-atp-analogs-inhibit-cell-signaling-pathways
#18
Satish R Malwal, Bing O'Dowd, Xinxin Feng, Petri A Turhanen, Christopher J Shin, Jiaqi Yao, Boo Kyung Kim, Noman Baig, Tianhui Zhou, Sandhya Bansal, Rahul L Khade, Yong Zhang, Eric Oldfield
Bisphosphonates are a major class of drugs used to treat osteoporosis, Paget's disease, and cancer. They have been pro-posed to act by inhibiting one more targets including protein prenylation; the epidermal growth factor receptor; or the adenine nucleotide translocase. Inhibition of the latter is due to formation in cells of analogs of ATP: the isopentenyl ester of ATP (ApppI) or an AppXp-type analog of ATP, such as AMP-clodronate (AppCCl2p). We screened both ApppI as well as AppCCl2p against a panel of 369 kinases finding potent inhibition of some tyrosine kinases by AppCCl2p, attributable to formation of a strong hydrogen bond between tyrosine and the terminal phosphonate...
May 22, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29782529/molecular-effect-of-an-optn-common-variant-associated-to-paget-s-disease-of-bone
#19
Iris A L Silva, Natércia Conceição, Édith Gagnon, Jacques P Brown, M Leonor Cancela, Laëtitia Michou
Paget's disease of bone (PDB) is a chronic bone disorder and although genetic factors appear to play an important role in its pathogenesis, to date PDB causing mutations were identified only in the Sequestosome 1 (SQSTM1) gene at the PDB3 locus. PDB6 locus, also previously linked to PDB, contains several candidate genes for metabolic bone diseases. We focused our analysis in the most significantly associated variant with PDB, within the Optineurin (OPTN) gene, i.e. the common variant rs1561570. Although it was previously shown to be strongly associated with PDB in several populations, its contribution to PDB pathogenesis remains unclear...
2018: PloS One
https://www.readbyqxmd.com/read/29768474/sonographic-visualization-of-nipple-blood-flow-can-help-differentiate-paget-disease-from-benign-eczematous-nipple-lesions
#20
Hideaki Ogata, Yukio Mitsuzuka, Naoko Honma, Miho Yoshida, Makoto Sumazaki, Fumi Saito, Masahiro Kobayashi, Kazutoshi Shibuya, Tetsuo Mikami, Hironori Kaneko
PURPOSE: Paget disease of the breast is a rare cancer that originates from the nipple-areolar complex. It is often overlooked and misdiagnosed as benign chronic eczema of the nipple. We aimed to retrospectively verify whether blood flow analysis using Doppler sonography was useful for detecting the presence of Paget disease. METHODS: In this retrospective study, 12 patients with pathologically proven unilateral nipple eczematous lesions (seven with Paget disease and five with simple dermatitis) were included...
2018: PloS One
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