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https://www.readbyqxmd.com/read/29053652/a-report-on-the-clinical-pathological-correlations-of-788-gingival-lesion
#1
A Gambino, M Carbone, R Broccoletti, P Carcieri, D Conrotto, M Carrozzo, P-G Arduino
BACKGROUND: The diagnosis and treatment of a variety of non-plaque related gingival diseases have become an integrated aspect of everyday dentistry. The aim of this study was to analyse the relationship between clinical appearance and histopathological features of gingival lesions in a large Northern Italian population. MATERIAL AND METHODS: A retrospective study of 788 cases of gingival and alveolar mucosal biopsies was set up. Statistical analysis was performed by calculating the odds ratio and 95% confidence interval (C...
October 20, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29051882/osteomyelitis-of-fibula-rare-case-with-various-differential-diagnosis
#2
Ashok Khurana, Sanjay Chhawra, Ravi Gupta, Santosh Kumar
INTRODUCTION: The osteomyelitis of fibula is a rare case to present. Osteomyelitis is clinical diagnosis with support of various investigation with proper surgical technique and various Differential Diagnosis it is treated with good satisfactory result. CASE REPORT: A 65-year-male operated 10 years back for tibial plateau fracture was asymptomatic but for last 3 months started pus discharging sinus from middle third of leg. We investigated and done implant removal with abnormal tissue abnormal bone was excised out, but very unusual presentation intraoperative necrotic massive debris was there like wood pieces mimic as neoplastic lesion, metastasis, fungal osteomyelitis, or granulomatous infection...
May 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29051777/melanoma-in-pregnancy
#3
REVIEW
Rebecca Still, Shaun Brennecke
Melanoma is one of the most common cancers diagnosed in pregnancy and has a high metastatic potential. As the incidence of melanoma increases, careful clinical evaluation of suspicious skin lesions remains the mainstay of early diagnosis. There is controversy in the literature as to whether pregnancy-associated melanoma has worse survival than other melanomas. Any changing-pigmented lesion should be biopsied, regardless of pregnancy hyperpigmentation. Increased lymphangiogenesis in pregnancy is associated with increased metastasis - timely diagnosis is therefore imperative...
September 2017: Obstetric Medicine
https://www.readbyqxmd.com/read/29050978/chrysin-attenuates-atopic-dermatitis-by-suppressing-inflammation-of-keratinocytes
#4
Jin Kyeong Choi, Yong Hyun Jang, Soyoung Lee, Sang-Rae Lee, Young-Ae Choi, Meiling Jin, Jung Ho Choi, Jee Hun Park, Pil-Hoon Park, Hyukjae Choi, Taeg Kyu Kwon, Dongwoo Khang, Sang-Hyun Kim
We previously reported the inhibitory effect of chrysin, a natural flavonoid plentifully contained in propolis, vegetables and fruits, on the mast cell-mediated allergic reaction. In this study, we evaluated the effect of chrysin on atopic dermatitis (AD) and defined underlying mechanisms of action. We used an AD model in BALB/c mice by the repeated local exposure of 2,4-dinitrochlorobenzene (DNCB) and house dust mite (Dermatophagoides farinae extract, DFE) to the ears. Repeated alternative treatment of DNCB/DFE caused AD-like skin lesions...
October 16, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29050773/detection-of-mycobacterial-infection-in-non-human-primates-using-the-xpert-mtb-rif-molecular-assay
#5
Duanne Alves da Silva, Amanda M Rêgo, Nicole V Ferreira, Manoela A S de Andrade, Aline R Campelo, Paulo César S Caldas, Márcia Aparecida S Pereira, Paulo Redner, Lucindo C de Pina, Felipe C Resende, Thalita A Pissinatti, Claudia A A Lopes, Tatiana Kugelmeier, Javier A S Perea, Igo V de Souza, Fábio A da Silva, Carla F Campos, Fátima C O Fandinho Montes, L Caetano M Antunes
Tuberculosis is a major public health concern, and diagnostic strategies applied to animal populations are scarce. As part of ongoing efforts to control tuberculosis dissemination at our animal facility, two non-human primates (NHP, Saimiri sciureus) presenting cutaneous lesions were examined for mycobacterial infection. Both animals tested positive for acid-fast bacilli and Mycobacterium tuberculosis using a molecular assay (IS6110 PCR). Animals were euthanized and several samples were tested for M. tuberculosis using the Xpert MTB/RIF assay...
December 2017: Tuberculosis
https://www.readbyqxmd.com/read/29050024/biofilm-control-and-oral-hygiene-practices
#6
Marisa Maltz, Luana Severo Alves, Julio Eduardo do Amaral Zenkner
As the thick biofilm in the presence of fermentable carbohydrates is the main etiological factor of dental caries, the frequent and systematic removal of this colony by means of an effective biofilm control should result in the prevention of caries lesions or in the arrest of the local carious process. However, the role of biofilm control in the management of dental caries has been questioned. This chapter will discuss the biofilm control and oral hygiene practices on root surfaces. Laboratory and clinical studies describing the effect of biofilm control and oral hygiene practices on the arrestment of root carious lesions are described...
2017: Monographs in Oral Science
https://www.readbyqxmd.com/read/29050021/assessing-the-risk-of-developing-carious-lesions-in-root-surfaces
#7
Sophie Doméjean, Avijit Banerjee
Patients' susceptibility to coronal and root caries (RC) is modulated by a range of biological, environmental, social, psychological, and behavior-related factors. These factors, considered either in isolation or combined into specific models, contribute to the overall patient susceptibility/risk of new lesion occurrence and/or of existing lesion progression, allowing the oral healthcare team to define specific and individualized preventive and curative regimens. Various caries susceptibility/risk assessment (CRA) protocols/models have been developed to assist the oral healthcare practitioner/team in a logical systematic approach to synthesize information about the caries disease process with its multifactorial etiology...
2017: Monographs in Oral Science
https://www.readbyqxmd.com/read/29050017/specificities-of-caries-on-root-surface
#8
Nailê Damé-Teixeira, Clarissa Cavalcanti Fatturi Parolo, Marisa Maltz
Variations in organic and inorganic composition and morphology may determine different susceptibilities of root surfaces to caries. Subsequent to gingival recession, root surfaces become exposed and those areas where Sharpey's fibers system was once inserted into the cementum are converted into canals for microbial penetration. In the presence of a cariogenic root biofilm, the fermentable carbohydrate from diet is converted into organic acid, and the root caries lesion is initiated in the exposed root site...
2017: Monographs in Oral Science
https://www.readbyqxmd.com/read/29046695/artemisia-argyi-attenuates-airway-inflammation-in-lipopolysaccharide-induced-acute-lung-injury-model
#9
Na-Rae Shin, Sung-Hyeuk Park, Je-Won Ko, Hyung-Won Ryu, Seong-Hun Jeong, Jong-Choon Kim, Dong-Ho Shin, Hoon-Sang Lee, In-Sik Shin
Artemisia argyi is used as a health supplement, tea, and food source in Korea. This study aimed to evaluate the effect of Artemisia argyi (AA) and its active compound, dehydromatricarin A (DA), on the attenuation of airway inflammation in a murine model of lipopolysaccharide (LPS)-induced acute lung injury (ALI). The C57BL/6 mice were administered AA (50 mg/kg or 100 mg/kg) and DA (10 mg/kg or 20 mg/kg) by oral gavage from day 0 to 7 days and LPS treated by intranasal instillation 48 hours before the sacrifice...
September 2017: Laboratory Animal Research
https://www.readbyqxmd.com/read/29046640/antiparkinsonian-efficacy-of-guanosine-in-rodent-models-of-movement-disorder
#10
Caio M Massari, Marc López-Cano, Fabiana Núñez, Víctor Fernández-Dueñas, Carla I Tasca, Francisco Ciruela
Guanosine (GUO) is a guanine-based purine nucleoside with important trophic functions and promising neuroprotective properties. Although the neuroprotective effects of GUO have been corroborated in cellular models of Parkinson's disease (PD), its efficacy as an antiparkinsonian agent has not been fully explored in PD animal models. Accordingly, we evaluated the effectiveness of GUO in reversing motor impairments in several rodent movement disorder models, including catalepsy, tremor, and hemiparkinsonism. Our results showed that orally administered GUO antagonized reserpine-mediated catalepsy, reduced reserpine-induced tremulous jaw movements, and potentiated the number of contralateral rotations induced by L-3,4-dihydroxyphenylalanine in unilaterally 6-hydroxidopamine-lesioned rats...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29046123/differential-effects-of-silver-nanoparticles-on-dna-damage-and-dna-repair-gene-expression-in-ogg1-deficient-and-wild-type-mice
#11
Sameera Nallanthighal, Cadia Chan, Thomas M Murray, Aaron P Mosier, Nathaniel C Cady, Ramune Reliene
Due to extensive use in consumer goods, it is important to understand the genotoxicity of silver nanoparticles (AgNPs) and identify susceptible populations. 8-Oxoguanine DNA glycosylase 1 (OGG1) excises 8-oxo-7,8-dihydro-2-deoxyguanine (8-oxoG), a pro-mutagenic lesion induced by oxidative stress. To understand whether defects in OGG1 is a possible genetic factor increasing an individual's susceptibly to AgNPs, we determined DNA damage, genome rearrangements, and expression of DNA repair genes in Ogg1-deficient and wild type mice exposed orally to 4 mg/kg of citrate-coated AgNPs over a period of 7 d...
October 19, 2017: Nanotoxicology
https://www.readbyqxmd.com/read/29044084/infectious-chorioretinitis-in-an-immunocompetent-patient-a-diagnostic-dilemma
#12
Sudha K Ganesh, B Sowkath Ali, H N Madhavan
A 44-year-old male presented with a history of defective vision in the right eye for the past 5 months with the previous history of tubercular cervical lymphadenitis. On examination, right eye revealed panuveitis with dense vitritis and chorioretinitis in the superotemporal quadrant. His Mantoux test was positive (25 mm × 25 mm induration), QuantiFERON-TB Gold was test positive, aqueous aspirate was positive for Mycobacterium tuberculosis genome, negative for viruses and toxoplasma, and hence he was initiated on four-drug antitubercular therapy (ATT) with oral steroids...
October 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29044082/rickettsial-retinitis-direct-bacterial-infection-or-an-immune-mediated-response
#13
Rohan Chawla, Gadkar Amit Pundlik, Rama Chaudhry, Chandan Thakur
Infectious retinitis postfebrile illness is known to be caused by chikungunya, dengue, West Nile virus, Bartonella, Lyme's disease, Rift Valley fever, rickettsia, Herpes viruses etc. Rickettsia is Gram-negative bacteria transmitted by arthropods vectors. Ocular involvement is common including conjunctivitis, keratitis, anterior uveitis, panuveitis, retinitis, retinal vascular changes, and optic nerve involvement. Retinitis lesions in rickettsia can occur because of an immunological response to the bacteria or because of direct invasion and proliferation of bacteria in the inner retina...
October 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29043461/effect-of-anti-angiogenesis-induced-by-chemotherapeutic-monotherapy-chemotherapeutic-bisphosphonate-combination-therapy-and-anti-vegfa-mab-therapy-on-tooth-extraction-socket-healing-in-mice
#14
Yuri Akita, Shinichiro Kuroshima, Kazunori Nakajima, Hiroki Hayano, Riho Kanai, Muneteru Sasaki, Takashi Sawase
Osteonecrosis of the jaw (ONJ), which is a rare but severe adverse effect, mainly occurs in oncology patients receiving chemotherapeutic agents and bisphosphonates. However, the combined impact of chemotherapy and bisphosphonates on wound healing after tooth extraction remains unknown. The aim of this study was to determine the precise etiology of ONJ induced by chemotherapy and bisphosphonate combination therapy. Mice received zoledronate (ZA) monotherapy, cyclophosphamide (CY) monotherapy or CY/ZA combination therapy...
October 17, 2017: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/29043245/intentional-partial-odontectomy-a-long-term-follow-up-study
#15
Hyun-Suk Kim, Pil-Young Yun, Young-Kyun Kim
BACKGROUND: The surgical extraction of the third molar is the most frequently encountered procedure in oral and maxillofacial surgery and is related with a variety of complications. This study examined the efficacy of intentional partial odontectomy (IPO) in the third molars which have no periapical lesions and are located near important anatomical structures such as inferior alveolar nerve. METHODS: Seven patients (four males, three females, 39.1 ± 11.6 years), who received IPO to reduce the risk of inferior alveolar nerve injury (IANI), were followed long-term...
December 2017: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29043207/mantle-cell-lymphoma-involvement-of-nodal-and-extranodal-sites-in-the-head-and-neck-with-multifocal-oral-lesions
#16
Marcelo Marcucci, Gilberto Marcucci, Mirna Scalon Cordeiro, Jorge Esquiche León, Juliane Piragine Araujo, Jefferson Xavier de Oliveira, Karina Cecília Panelli Santos
Mantle cell lymphoma (MCL) is a malignant B-cell neoplasm, which comprises monomorphic and small- to medium-sized mantle zone-derived lymphoid cells. It is characterized by chromosomal translocation t(11;14)(q13;q32) and CCND1 truncation, resulting in cell cycle deregulation. It is an aggressive type of non-Hodgkin lymphoma with a propensity to present with extranodal involvement. This study shows the case of an 80-year-old Caucasian male who complained of a 2-month progressive swelling on the right side of his face...
July 2017: Autopsy & case reports
https://www.readbyqxmd.com/read/29043146/calciphylaxis-in-a-nondialysis-patient-treated-with-sodium-thiosulfate-and-high-dose-of-oxygen
#17
Anawin Sanguankeo, Natanong Thamcharoen, Sikarin Upala
BACKGROUND: Calciphylaxis in a nondialysis patient is a rare condition and is characterized by calcific deposition in tissue. We present a case of calciphylaxis in a nondialysis patient who was diagnosed by clinical presentation and skin biopsy and was treated with sodium thiosulfate with improvement of skin lesions. CASE: A 43-year-old female with type 2 diabetes and atrial fibrillation taking oral anticoagulation medication presented with reddish drainage from the right buttock...
2017: Clin Nephrol Case Stud
https://www.readbyqxmd.com/read/29042939/aphasic-status-epilepticus-as-the-sole-symptom-of-epilepsy-a-case-report-and-literature-review
#18
Ji-Qing Qiu, Yu Cui, Li-Chao Sun, Zhan-Peng Zhu
Aphasia is a common symptom encountered by neurologists. However, the presence of aphasia as the sole manifestation of partial status epilepticus is rare. The present study reports a case of aphasic status epilepticus in a 27-year-old right-handed female who presented after the abrupt onset of aphasia, which had persisted for 1.5 days. The patient's medical history included head trauma followed by a craniectomy and cranioplasty. Computed tomography scans revealed a lesion in the patient's left parietal lobe, and an electroencephalogram showed a spike and slow wave pattern in the left hemisphere of the brain during aphasia...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29039441/rivaroxaban-attenuates-thrombosis-by-targeting-the-nf-%C3%AE%C2%BAb-signaling-pathway-in-a-rat-model-of-deep-venous-thrombus
#19
Junhao Ma, Xinxi Li, Yang Wang, Zhenwei Yang, Jun Luo
Anticoagulant therapy is commonly used for the prevention and treatment of patients with deep venous thrombus. Evidence has shown that rivaroxaban is a potential oral anticoagulant drug for the acute treatment of venous thromboembolism. However, the rivaroxaban-mediated molecular mechanism involved in the progression of deep venous thrombosis has not been investigated. In the present study, we investigated the efficacy of rivaroxaban and the underlying signaling pathways in the prevention and treatment of rats with deep venous thrombosis...
September 29, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29039225/toxicological-impact-of-waterpipe-smoking-and-flavorings-in-the-oral-cavity-and-respiratory-system
#20
Fawad Javed, Shatha Subhi ALHarthi, Munerah Saleh BinShabaib, Sangeeta Gajendra, Georgios E Romanos, Irfan Rahman
Waterpipe smoking (WS), an emerging trend has major health concerns. It is prevalent worldwide as a recreational activity both indoors and outdoors. The aim of this review was to assess the impact of waterpipe smoke on the oral and respiratory system (oral cavity and pulmonary tissues). A number of studies have shown that periodontal health status is compromised in waterpipe smokers when compared with nonsmokers. Some studies have associated WS with oral premalignant and malignant lesions; however, due to the poor quality of these studies, the presented outcomes should be interpreted with caution...
October 17, 2017: Inhalation Toxicology
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