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https://www.readbyqxmd.com/read/28634493/an-exceptional-case-of-intraparotid-plexiform-neurofibroma-originating-from-autonomic-fibers-of-the-auriculotemporal-nerve
#1
Sarantis Blioskas, Sotiris Sotiriou, Katerina Rizou, Triantafyllia Koletsa, Petros Karkos, Anna Kalogera-Fountzila, Konstantinos Markou
Plexiform neurofibromas are benign tumors that tend to occur in patients suffering from neurofibromatosis type 1 (NF-1). This report addresses a rare case where the tumor affected the parotid gland, deriving almost exclusively from the peripheral portion of the facial nerve. A 6-year-old male was referred to us complaining about a gradually enlarging swelling over the right parotid area. Imaging localized the lesion to the superficial lobe of the parotid gland, suggesting a neurofibroma. Cosmetic disfigurement and a functional deficit led us to perform complete surgical resection...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28634315/-a-case-of-metastatic-brain-tumor-complicated-by-multiple-repeated-hemorrhages
#2
Kentaro Hayashi, Yukishige Hayashi, Yoshitaka Matsuo, Kiyoshi Shirakawa, Makio Kaminogo
Metastatic brain tumor occasionally results in multiple cerebral hemorrhages. Here, we report a case of metastatic brain tumor complicated by multiple repeated cerebral hemorrhages. An 80-year-old man with a history of removal of lung cancer was admitted to our hospital because of disturbed consciousness following headache. A brain CT revealed a mass lesion of 40-mm diameter in the left cerebellum and a mass lesion of 2-mm diameter in the right temporal lobe. The cerebellar mass lesion showed homogeneous iso-density, indicating a subacute phase hemorrhage...
June 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28634311/-bevacizumab-related-hyperintense-lesions-on-diffusion-weighted-imaging-at-different-locations-in-a-patient-with-malignant-glioma
#3
Shinya Oshiro, Naoki Wakuta, Shinichi Kawai, Koichi Miki, Yutaka Shigemori
We report the case of a 60-year-old man who first presented with transient difficulty of word recall. Subsequent MRI revealed an invasive brain tumor in the left frontal lobe. The patient underwent open biopsy, and diffuse astrocytoma(WHO grade II)was diagnosed. However, the malignant potential of this tumor was not particularly low because of a few enhancement on preoperative evaluation, and radiation therapy was initially performed. Four months after ending irradiation, temozolomide treatment was introduced for tumor regrowth...
June 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28633967/the-effects-of-chronic-faah-inhibition-on-myocardial-lipid-metabolism-in-normotensive-and-doca-salt-hypertensive-rats
#4
Agnieszka Polak, Ewa Harasim-Symbor, Barbara Malinowska, Irena Kasacka, Anna Pędzińska-Betiuk, Jolanta Weresa, Adrian Chabowski
AIMS: There is significant evidence that the endocannabinoid system (ECS) takes part in the regulation of the cardiovascular system in hypertension. It is quite well established that hypertension causes several changes in the heart metabolism, but it is still unknown whether the ECS affects this process. Therefore, we investigated the influence of prolonged ECS activation on myocardial lipid metabolism in deoxycorticosterone acetate (DOCA)-salt hypertensive rats by chronic fatty acid amide hydrolase (FAAH) inhibition...
June 17, 2017: Life Sciences
https://www.readbyqxmd.com/read/28633858/effects-of-processing-parameters-in-the-sonic-assisted-water-extraction-sawe-of-6-gingerol
#5
Syaripah Zaimah Syed Jaapar, Noor Azian Morad, Yoshio Iwai, Mariam Firdhaus Mad Nordin
The use of water in subcritical conditions for extraction has several drawbacks. These include the safety features, higher production costs and possible degradation of the bioactive compounds. To overcome these problems, sonic energy and an entrainer were used as external interventions to decrease the polarity of water at milder operating conditions. The effect of low (28kHz) and high (800kHz) frequencies of sonication in the extraction of the main ginger bioactive compound (6-gingerol) were compared. Six parameters were studied: mean particle size (MPS, mm), time of extraction, applied power, sample to solvent ratio (w/v), temperature of extraction, and the percentage of entrainer...
September 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28632801/enlarging-mass-on-the-lateral-neck
#6
Shahrzad Akbary, Nathan Cleaver
No abstract text is available yet for this article.
May 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28632689/18f-fdg-uptake-in-ischemic-colitis-during-follow-up-of-a-patient-with-lung-cancer
#7
Sofia C Vaz, Carla Oliveira, Joana C Castanheira, Ângelo F Silva, Durval C Costa
A 61-year-old man with previous history of lung adenocarcinoma underwent 2 F-FDG PET/CT investigations. The first for assessment of enlarged mediastinal lymph nodes revealed an area of increased FDG uptake in the sigmoid colon (located at the right pelvis). Colonoscopy showed a segmental area of ischemic sigmoid colitis, confirmed on histology postbiopsy. The asymptomatic man had no risk factors, and no specific treatment was administered, apart from supportive measures. One year later, there was no significantly abnormal uptake on PET/CT...
June 19, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28632590/comparison-of-anterior-and-posterior-surgery-for-degenerative-cervical-myelopathy-an-mri-based-propensity-score-matched-analysis-using-data-from-the-prospective-multicenter-aospine-csm-north-america-and-international-studies
#8
So Kato, Aria Nouri, Dongjin Wu, Satoshi Nori, Lindsay Tetreault, Michael G Fehlings
BACKGROUND: Surgeons often choose between 2 different approaches (anterior and posterior) for surgical treatment of degenerative cervical myelopathy on the basis of imaging features of spinal cord compression, the number of levels affected, and the spinal alignment. However, there is a lack of consensus on which approach is preferable. The objective of the present study was to use magnetic resonance imaging (MRI)-based propensity-score-matched analysis to compare postoperative outcomes between the anterior and posterior surgical approaches for degenerative cervical myelopathy...
June 21, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28632204/successful-pharmacotherapy-for-the-treatment-of-severe-feeding-aversion-with-mechanistic-insights-from-cross-species-neuronal-remodeling
#9
W G Sharp, A G Allen, K H Stubbs, K K Criado, R Sanders, C E McCracken, R G Parsons, L Scahill, S L Gourley
Pediatric feeding disorders affect up to 5% of children, causing severe food intake problems that can result in serious medical and developmental outcomes. Behavioral intervention (BI) is effective in extinguishing feeding aversions, and also expert-dependent, time/labor-intensive and not well understood at a neurobiological level. Here we first conducted a double-blind, placebo-controlled trial comparing BI with BI plus d-cycloserine (DCS). DCS is a partial N-methyl-d-aspartate (NMDA) receptor agonist shown to augment extinction therapies in multiple anxiety disorders...
June 20, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28632156/image-mosaicking-approach-for-a-double-camera-system-in-the-gaofen2-optical-remote-sensing-satellite-based-on-the-big-virtual-camera
#10
Yufeng Cheng, Shuying Jin, Mi Wang, Ying Zhu, Zhipeng Dong
The linear array push broom imaging mode is widely used for high resolution optical satellites (HROS). Using double-cameras attached by a high-rigidity support along with push broom imaging is one method to enlarge the field of view while ensuring high resolution. High accuracy image mosaicking is the key factor of the geometrical quality of complete stitched satellite imagery. This paper proposes a high accuracy image mosaicking approach based on the big virtual camera (BVC) in the double-camera system on the GaoFen2 optical remote sensing satellite (GF2)...
June 20, 2017: Sensors
https://www.readbyqxmd.com/read/28631748/ccl-2-as-a-possible-early-marker-for-remission-after-traumatic-spinal-cord-injury
#11
R A Heller, T F Raven, T Swing, K Kunzmann, V Daniel, P Haubruck, M Akbar, P A Grützner, G Schmidmaier, B Biglari, A Moghaddam
STUDY DESIGN: Prospective observational study. OBJECTIVES: To describe the correlation between CCL-2, CCL-3, CCL-4 and CXCL-5 serum levels and remission after traumatic spinal cord injury (SCI) in a human protocol compared with animal studies. SETTING: Germany, Rhineland-Palatinate (Rheinland-Pfalz). METHODS: We examined the serum levels of CCL-2, CCL-3, CCL-4 and CXCL-5 over a 12-week period; in particular, at admission and 4, 9 and 12 h, 1 and 3 days and 1, 2, 4, 8 and 12 weeks after trauma...
June 20, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28631077/noninvasive-evaluation-of-reverse-atrial-remodeling-after-catheter-ablation-of-atrial-fibrillation-by-p-wave-dispersion
#12
Yuhi Fujimoto, Kenji Yodogawa, Kenta Takahashi, Ippei Tsuboi, Hiroshi Hayashi, Shunsuke Uetake, Yu-Ki Iwasaki, Meiso Hayashi, Yasushi Miyauchi, Wataru Shimizu
Atrial fibrillation (AF) itself creates structural and electrophysiological changes such as atrial enlargement, shortening of refractory period and decrease in conduction velocity, called "atrial remodeling", promoting its persistence. Although the remodeling process is considered to be reversible, it has not been elucidated in detail. The aim of this study was to assess the feasibility of P wave dispersion in the assessment of reverse atrial remodeling following catheter ablation of AF. Consecutive 126 patients (88 males, age 63...
June 19, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28630947/evolution-of-geographic-atrophy-in-participants-treated-with-ranibizumab-for-neovascular-age-related-macular-degeneration
#13
Alisa T Thavikulwat, Naima Jacobs-El, Jane S Kim, Elvira Agrón, Jesia Hasan, Catherine B Meyerle, David Valent, Catherine A Cukras, Henry E Wiley, Wai T Wong, Emily Y Chew
PURPOSE: To evaluate the risk factors, incidence, and rate of progression of geographic atrophy (GA) in eyes with neovascular age-related macular degeneration (nAMD) treated with ranibizumab. DESIGN: Post-hoc analysis of a prospective clinical study. PARTICIPANTS: 69 participants with nAMD in at least one eye. METHODS: Participants were prospectively treated in the study eye with 0.5 mg intravitreal ranibizumab. Study eyes received 4 monthly injections followed by pro re nata injections until a fluid-free macula was achieved on optical coherence tomography...
January 2017: Ophthalmology retina
https://www.readbyqxmd.com/read/28630940/fluconazole-induced-ploidy-change-in-cryptococcus-neoformans-results-from-the-uncoupling-of-cell-growth-and-nuclear-division
#14
Sophie Altamirano, Diana Fang, Charles Simmons, Shreyas Sridhar, Peipei Wu, Kaustuv Sanyal, Lukasz Kozubowski
Cryptococcus neoformans is a pathogenic yeast that causes lethal cryptococcal meningitis in immunocompromised patients. One of the challenges in treating cryptococcosis is the development of resistance to azole antifungals. Previous studies linked azole resistance to elevated numbers of copies of critical resistance genes in aneuploid cells. However, how aneuploidy is formed in the presence of azole drugs remains unclear. This study showed that treatment with inhibitory concentrations of an azole drug, fluconazole (FLC), resulted in a significant population of cells with increased DNA content, through the following defects: inhibition of budding, premature mitosis, and inhibition of cytokinesis followed by replication in the mother cell...
May 2017: MSphere
https://www.readbyqxmd.com/read/28630793/bilaterally-diffuse-lacrimal-gland-involvement-initial-presentation-of-systemic-sarcoidosis
#15
Pınar Bingöl Kızıltunç, Fatma Çiftçi, Banu Hoşal, Gülşah Kaygusuz
Orbital involvement in systemic sarcoidosis is a rare condition. We report a case of orbital sarcoidosis with bilaterally huge lacrimal gland involvement as the initial manifestation of systemic sarcoidosis. A 20-year-old woman admitted the ophthalmology department with progressive bilateral upper eyelid swelling for 6 months. The only pathologic finding was the presence of bilateral, symmetrical, solid, lobular masses at the lateral upper eyelids at the location of lacrimal glands. On systemic examination, bilateral parotid and submandibular glands appeared swollen...
June 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28630776/sudden-onset-rapidly-expansile-cervical-cystic-hygroma-in-an-adult-a-rare-case-with-unusual-presentation-and-extensive-review-of-the-literature
#16
Vivek Dokania, Anagha Rajguru, Harmanjot Kaur, Ketan Agarwal, Sujata Kanetkar, Prajakta Thakur, Femina Patel, Dhirajkumar Shukla
Cystic hygroma (CH) is a benign infiltrative malformation of the lymphatic channels. We report a case of a 28-year-old Indian female who presented with rapidly enlarging right sided neck swelling over the posterior triangle since 5 days. Complete resection of CH is sometimes not amenable because of its infiltrative nature and involvement of surrounding vital structures. However, in our patient successful complete surgical resection was undertaken. The MRI findings of our patient were consistent with brachial cleft cyst; this posed a challenge in the diagnosis of CH...
2017: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/28630665/fronto-orbital-mucocele-with-intracranial-extension-a-case-report
#17
Rocco Severino, Paolo Severino
Frontal sinus mucoceles are benign, pseudocystic lesion deriving from the obliteration of the sinus ostium, resulting in a continuous mucous accumulation. The growing process of a mucocele leads to a progressive enlargement of the sinus cavity, thickening and eroding its bony walls up to invading the surrounding tissues. The surgical procedure through an endoscopic endonasal approach is the current treatment option for such conditions, but in cases with an extensive bone erosion and intracranial or intraorbital extension, a transcranial approach should be preferred...
June 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28630408/the-cellular-and-circuit-basis-for-evolutionary-change-in-sensory-perception-in-mormyrid-fishes
#18
Alejandro Vélez, Tsunehiko Kohashi, Anan Lu, Bruce A Carlson
Species differences in perception have been linked to divergence in gross neuroanatomical features of sensory pathways. The anatomical and physiological basis of evolutionary change in sensory processing at cellular and circuit levels, however, is poorly understood. Here, we show how specific changes to a sensory microcircuit are associated with the evolution of a novel perceptual ability. In mormyrid fishes, the ability to detect variation in electric communication signals is correlated with an enlargement of the midbrain exterolateral nucleus (EL), and a differentiation into separate anterior (ELa) and posterior (ELp) regions...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28630200/treatment-of-experimental-visceral-leishmaniasis-with-single-dose-liposomal-amphotericin-b-pharmacodynamics-and-biodistribution-at-different-stages-of-disease
#19
Andrew A Voak, Andy Harris, Zeeshan Qaiser, Simon L Croft, Karin Seifert
Visceral leishmaniasis is a neglected tropical disease, which causes significant morbidity and mortality worldwide. Characterising the pharmacokinetics and pharmacodynamics of anti-leishmanial drugs in pre-clinical models is important for drug development and use. Here we investigated the pharmacodynamics and drug distribution of AmBisome® in L. donovani infected BALB/c mice at three different dose levels and two different time points after infection. We additionally compared drug levels in plasma, liver and spleen in infected and uninfected BALB/c mice over time...
June 19, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28629946/phytol-induced-pathology-in-2-hydroxyacyl-coa-lyase-hacl1-deficient-mice-evidence-for-a-second-non-hacl1-related-lyase
#20
Serena Mezzar, Evelyn De Schryver, Stanny Asselberghs, Els Meyhi, Petruta L Morvay, Myriam Baes, Paul P Van Veldhoven
2-Hydroxyacyl-CoA lyase (HACL1) is a key enzyme of the peroxisomal α-oxidation of phytanic acid. To better understand its role in health and disease, a mouse model lacking HACL1 was investigated. Under normal conditions, these mice did not display a particular phenotype. However, upon dietary administration of phytol, phytanic acid accumulated in tissues, mainly in liver and serum of KO mice. As a consequence of phytanic acid (or a metabolite) toxicity, KO mice displayed a significant weight loss, absence of abdominal white adipose tissue, enlarged and mottled liver and reduced hepatic glycogen and triglycerides...
June 16, 2017: Biochimica et Biophysica Acta
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