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https://www.readbyqxmd.com/read/29166635/the-protean-neuropsychiatric-and-vestibuloauditory-manifestations-of-neurosarcoidosis
#1
Jacqueline J Greene, Ilka C Naumann, Janet M Poulik, Kevin T Nella, Lindsay Weberling, Jeffrey P Harris, Akihiro J Matsuoka
BACKGROUND: A rare subset of sarcoidosis, neurosarcoidosis, is reported to occur in 5-7% of sarcoid patients and can manifest in a variety of ways. The most common are facial paralysis and optic neuritis, less commonly causing cochleovestibulopathy, blindness, anosmia, and other cranial nerve (CN) palsies. The sensory deficit may be severe and psychiatric symptoms may result from the effects of the disease or steroid treatment. Although MRI-compatible cochlear implants are now available, concerns about the feasibility of recoverable hearing with cochlear implantation in these patients as well as the practical difficulty of disease monitoring due to implant artifact must be considered...
November 23, 2017: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/29166622/morphological-characteristics-and-variations-of-the-human-quadratus-plantae-muscle
#2
Bettina Pretterklieber
The quadratus plantae (QP) is a highly variable structure. A number of partly inexact descriptions of this entity have been provided in textbooks of anatomy. Although several authors have examined the QP, its exact site of origin and type of insertion have hitherto not been specified. The aim of this study has been to provide detailed qualitative and quantitative data about the number of heads, points of origin, and type of insertion of the QP. The QP in both feet of 50 formalin-fixed specimens of body donors (25 men and women) were analyzed by gross anatomical dissection...
November 19, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29166556/katalytische-drei-komponenten-maschinen-steuerung-der-katalytischen-aktivit%C3%A3-t-mittels-maschinengeschwindigkeit
#3
Michael Schmittel, Indrajit Paul, Abir Goswami, Nikita Mittal
Drei supramolekulare Gleitsysteme DS1-DS3 wurden als Zwei-Komponenten-Aggregate aus den Gleitern S1-S3 und der Plattform D mit ihren drei Zinkporphyrin-(ZnPor) Bindungsstellen erzeugt. Die Anbindung des zweifüßigen Gleiters an die Plattform variiert mit der Donorqualität und sterischen Hinderung an den Pyridin/Pyrimidin (pyr)-Gleitfüßen. Entsprechend bewegen sich die Gleiter mit unterschiedlichen Geschwindigkeiten über die drei Zinkporphyrine der Plattform: bei Raumtemperatur mit 32.2, 220 und 440 kHz...
November 22, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/29166494/sporotrichosis-an-update-on-epidemiology-etiopathogenesis-laboratory-and-clinical-therapeutics
#4
Rosane Orofino-Costa, Priscila Marques de Macedo, Anderson Messias Rodrigues, Andréa Reis Bernardes-Engemann
In the late 90's there was a change in both the route of transmission and the people at risk for sporotrichosis. This zoonotic cat-man alternative transmission route elicited changes in strategies to control the epidemic. There was a progressive increase in the number of cases involving especially children and the elderly. In addition to becoming hyperendemic, uncommon clinical pictures like immunoreactive clinical presentations or severe systemic cases have emerged. New species were identified and classified through molecular tools using more virulent clinical isolates, like S...
September 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/29166335/multiple-hypermetabolic-subcutaneous-lesions-from-hidradenitis-suppurativa-mimicking-metastases-on-18f-fdg-pet-ct
#5
Philip Asamoah, Daniel J Wale, Benjamin L Viglianti, Ka Kit Wong, Milton Gross
Hidradenitis suppurativa is an inflammatory disease associated with subcutaneous nodules/abscesses that occur commonly in the axillary, inguinal, and perineal regions. We describe a case of a 64-year-old man presenting for F-FDG PET/CT for staging of a left vocal cord squamous cell carcinoma. The scan showed uptake in the left vocal cord malignancy and multiple hypermetabolic subcutaneous foci in the right axilla, right buttocks, and scalp in known locations of skin lesions related to hidradenitis suppurativa...
November 22, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29166334/gastrointestinal-stromal-tumor-of-the-prostate-staging-and-evaluation-of-response-to-therapy-with-18f-fdg-pet-ct
#6
Yazan Z Alabed
A 49-year-old man presented for routine general physical examination was found with an enlarged prostate gland without associated symptoms. Ultrasound followed by computed tomography (CT) of abdomen and pelvis confirmed a markedly enlarged heterogeneous prostate gland. Subsequently, a staging flourine-18 fluorodeoxyglucose (F-FDG) positron emission tomography (PET/CT) scan revealed intensely FDG-avid mass involving the prostate, which was biopsied as gastrointestinal stromal tumor (GIST). The patient was treated with imatinib and a follow-up PET/CT scan showed complete metabolic response...
November 22, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29166333/high-energy-collimator-is-preferable-to-medium-energy-collimator-for-evaluating-223ra-uptake-in-bone-metastasis-at-2-weeks-postinjection
#7
Akira Ichimura, Tadaki Nakahara, Yoshiki Owaki, Kiyotaka Nakajima, Masahiro Jinzaki
An 80-year-old man with castration-resistant prostate cancer received Ra injection to treat bone metastases. Two weeks after the injection, the patient underwent static Ra scan of the chest with medium-energy and high-energy collimators for 30 minutes each. Images obtained with the 2 collimators showed that uptake in metastatic lesions was visually clearer and semiquantitatively higher with the high-energy collimator. The use of HE collimator for Ra imaging in the early phase has been reported, and the present case suggests that in the late phase HE collimator would also be preferable to medium-energy collimator in terms of lesion-based evaluation...
November 22, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29166332/testicular-estrogen-secreting-leydig-cell-tumor-in-18f-fdg-pet-ct-an-incidental-detection-in-a-patient-treated-by-chemotherapy-for-hodgkin-lymphoma
#8
Axel Van Der Gucht, Zaher Maged, Rodolfo Burruni, Jean-Luc Barras, Niklaus Schaefer
We present images of a 50-year-old man who referred for treatment of a classic Hodgkin lymphoma. While F-FDG PET/CT demonstrated a complete metabolic remission after chemotherapy, an increased F-FDG uptake of a right testicular lesion in F-FDG PET/CT and an unexplained bilateral gynecomastia were observed. A benign Leydig cell tumor was histopathologically proved after a right radical orchiectomy. The serum estradiol level was abnormally elevated reflecting the estrogen-secreting profile. This report highlights that a focal F-FDG uptake in the testicular region with unexplained gynecomastia should suggest the diagnosis of an estrogen-secreting Leydig cell tumor on F-FDG PET/CT...
November 22, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29166330/hepatic-falciform-artery-demonstrating-maa-uptake-in-the-anterior-abdomen-prior-to-embolization
#9
Dhruv Patel, Ken Le, Joga Chaganti, Robert Mansberg
A 58-year-old man was referred for selective internal radiation therapy for locally advanced unresectable hepatocellular carcinoma. Intra-arterial particle perfusion scintigraphy was performed with SPECT/CT following intra-arterial injection of Tc macroaggregated albumin. Angiography demonstrated a hepatic falciform artery, a feeding artery of the ligamentum teres, whereas scintigraphy demonstrated tracer uptake in the mid-anterior abdominal wall. The hepatic falciform artery was subsequently embolized and the repeat angiogram confirmed successful occlusion...
November 22, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29166329/pseudolesions-impersonating-osseous-tumor-involvement-on-both-contrast-enhanced-ct-and-fdg-pet-ct
#10
Jessica K Peterson, Rustain L Morgan, Joseph S Donald, Mark A Perry
A 27-year-old man with stage IV-B Hodgkin's lymphoma status post autologous peripheral stem cell transplant in 2015 with complete response, presented in 2017 with increasing back pain. Restaging contrast enhanced CT demonstrated left brachiocephalic vein occlusion with peripheral nodular high density areas within C7-T2 vertebral bodies with corresponding radiotracer uptake on same day PET/CT. No matching lesion was seen on noncontrast CT. Findings were consistent with pooling of contrast and radiotracer within vertebral venous plexus collaterals at the cervicothoracic junction secondary to brachiocephalic vein occlusion...
November 22, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29166328/18f-fdg-pet-ct-imaging-of-hidradenocarcinoma-arising-from-preexisting-hidradenoma-of-the-knee
#11
Tirth V Patel, Jorge Oldan
Malignant tumors of the sweat glands are exceedingly rare and aggressive tumors. We present here a case of a 60-year-old man with a malignant hidradenocarcinoma that developed in a background of preexisting benign hidradenoma on the lateral aspect of the knee that was initially resected, but rapidly recurred with associated inguinal lymphadenopathy. F-FDG PET/CT was performed as part of preoperative staging, which demonstrated abnormal inguinal lymph nodes and metastatic disease to the lungs. FDG PET/CT can play an invaluable role in the initial staging and follow-up of this rare malignancy...
November 22, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29166327/68ga-prostate-specific-membrane-antigen-uptake-in-gastrointestinal-stromal-tumor
#12
Tom Laurens, Fred Witjes, Marcel Janssen, Uta Flucke, Martin Gottardt
A 62-year-old man with recently diagnosed prostatic adenocarcinoma was referred for a whole-body Ga-prostate-specific membrane antigen (PSMA) PET/CT scan for staging. Although the scan did not reveal metastatic disease, it did reveal a PSMA-avid lesion in the upper abdomen located between the liver and the stomach. Histopathologic examination demonstrated a gastrointestinal stromal tumor. The lesion demonstrated increased uptake in the margins of the tumor with a central photopenic area, which we consider to be the typical pattern on PSMA images of a gastrointestinal stromal tumor, based on theoretical PSMA distribution in such a tumor and other reported cases...
November 22, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29165965/using-teams-to-improve-outcomes-and-performance
#13
Beth Ulrich, Nancy Manning Crider
Mastering the use of teams in healthcare organizations can maximize outcomes and optimize the use of resources. Most work in healthcare organizations is done by teams, whether it's the clinical team taking care of patients on a unit, the leadership team accountable for operations of the organization, or a team formed to solve a specific problem, improve quality, or plan an event. Effective teams make organizations successful; ineffective teams can create more problems than they solve. This article describes how to successfully use the power of teams within the healthcare setting, create and develop teams, be a team leader or member, create conditions for team effectiveness and high performance, and provide team training...
March 2017: Nephrology Nursing Journal: Journal of the American Nephrology Nurses' Association
https://www.readbyqxmd.com/read/29165748/orbital-arteriovenous-fistula-around-the-optic-nerve-treated-by-transvenous-embolization
#14
Masayuki Sato, Yuji Matsumaru, Tatsuo Amano, Yuki Kamiya
(Background) Intraorbital arteriovenous fistula is a very rare disease, therefore an optimal treatment strategy has not yet been established. Here we describe the use of high-resolution cone-beam CT (CBCT) and selective angiography to visualize the detailed anatomy of orbital vessels. The information provided by the intra-operative imaging led to a change in treatment strategy and eventually to successful transvenous coil embolization. (Clinical presentation) A 55-year-old man presented with right exophthalmos, chemosis and diplopia 4 months previously...
October 11, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/29165745/supratentorial-embryonal-tumors-in-elderly-diagnostic-pitfalls-and-clinical-prognosis
#15
Pierluigi Granaroli, Federica Novegno, Tommaso Lunardi, Pierpaolo Lunardi
Supratentorial embryonal tumours are very rare malignant tumours of neuroectodermal origin, characterized by an aggressive clinical behavior. They occur prevalently in children. They have been sporadically described in adults and represent an even rarer occurrence in elderly patients, raising many issues on the diagnostic pitfalls and their appropriate management. We present an unusual case of embryonal tumor in a 62-year-old man who presented with speech disorder, left IIIrd and Vth cranial nerves partial deficit secondary to a left temporo-insular embryonal tumour: clinico-radiological features, histopathological insights, therapeutic options and results are discussed along with a review of the most relevant literature, addressing the specific issue of differential diagnosis and the expected results in the elderly population...
November 1, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/29165653/transgenerational-effects-of-bisphenol-a-on-gene-expression-and-dna-methylation-of-imprinted-genes-in-brain
#16
Zuzana Drobná, Anne D Henriksen, Jennifer T Wolstenholme, Catalina Montiel, Philip S Lambeth, Stephen Shang, Erin P Harris, Changqing Zhou, Jodi A Flaws, Mazhar Adli, Emilie F Rissman
Bisphenol A (BPA) is a ubiquitous man-made endocrine disrupting compound (EDC). Developmental exposure to BPA changes behavioral and reproductive phenotypes and these effects can last for generations. We exposed embryos to BPA producing two lineages: controls and BPA-exposed. In the third generation (F3), brain tissues containing the preoptic area, the bed nucleus of the stria terminalis, and the anterior hypothalamus were collected. RNA sequencing (RNA-Seq) and subsequent data analyses revealed 50 differentially regulated genes in the brains of F3 juveniles from BPA- versus control-lineages...
November 17, 2017: Endocrinology
https://www.readbyqxmd.com/read/29165489/perylenediimide-based-glycoclusters-as-high-affinity-ligands-of-bacterial-lectins-synthesis-binding-studies-and-anti-adhesive-properties
#17
Marion Donnier-Maréchal, Nicolas Galanos, Teddy Grandjean, Yoann Pascal, Ding-Kun Ji, Lei Dong, Emilie Gillon, Xiao-Peng He, Anne Imberty, Eric Kipnis, Rodrigue Dessein, Sébastien Vidal
The synthesis of eight perylenediimide-based glycoclusters was readily performed from hexa- and tetra-propargylated cores through azide-alkyne "click" conjugation. Variations in the carbohydrate epitope (Glc, Gal, Man, Fuc) and the linker arm provided molecular diversity. Interactions with LecA and LecB, two proteins involved in the adhesion of Pseudomonas aeruginosa to host tissues, were evaluated by microcalorimetry (ITC). In both cases high affinities were obtained with Kd values in the nanomolar range. Further evaluation of their anti-adhesive properties using cultured epithelial cells demonstrated their potent anti-adhesive activities against Pseudomonas aeruginosa with only 30-40% residual adhesion observed...
November 22, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/29165331/an-orientation-sensor-based-head-tracking-system-for-driver-behaviour-monitoring
#18
Yifan Zhao, Lorenz Görne, Iek-Man Yuen, Dongpu Cao, Mark Sullman, Daniel Auger, Chen Lv, Huaji Wang, Rebecca Matthias, Lee Skrypchuk, Alexandros Mouzakitis
Although at present legislation does not allow drivers in a Level 3 autonomous vehicle to engage in a secondary task, there may become a time when it does. Monitoring the behaviour of drivers engaging in various non-driving activities (NDAs) is crucial to decide how well the driver will be able to take over control of the vehicle. One limitation of the commonly used face-based head tracking system, using cameras, is that sufficient features of the face must be visible, which limits the detectable angle of head movement and thereby measurable NDAs, unless multiple cameras are used...
November 22, 2017: Sensors
https://www.readbyqxmd.com/read/29165208/case-report-first-coinfection-report-of-mixed-leishmania-infantum-leishmania-major-and-human-immunodeficiency-virus-acquired-immune-deficiency-syndrome-report-of-a-case-of-disseminated-cutaneous-leishmaniasis-in-iran
#19
Alireza Badirzadeh, Mehdi Mohebali, Sadaf Sabzevari, Majid Ghafoori, Kourosh Arzamani, Mohammad Seyyedin, Seyed Ahmad Hashemi
Visceral leishmaniasis, a neglected tropical disease, is the third most common opportunistic disease in immunosuppressed patients, such as those affected by the human immunodeficiency virus (HIV)/acquired immune deficiency syndrome. Although the reports have been characterized as Leishmania/HIV coinfections, the occurrence of a mixed infection by two Leishmania species in HIV-positive patients is rare. Here, we present an atypical case of disseminated cutaneous leishmaniasis (DCL) in a 26-year-old HIV-positive man...
November 20, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29165146/association-between-posttraumatic-stress-disorder-ptsd-severity-and-ego-structure-of-the-nanai-people
#20
Yoko Ota, Natalia Korshunova, Masashi Demura, Midori Katsuyama, Hironobu Katsuyama, Sri Ratna Rahayu, Kiyofumi Saijoh
BACKGROUND: A man-made chemical disaster occurred in the Amur River, leading to posttraumatic stress disorder (PTSD) in the Nanai people indigenous to the river's surrounding area. PTSD severity measured by the total scores of Impact of Event Scale-Revised (IES-R) (Total-I) and Clinician-Administered PTSD Scale (CAPS) (Total-C) were not always identical in terms of demographic and ethnocultural characters. It is possible that the results derived using the Total-I and Total-C may differ for persons with different backgrounds and/or individual characteristics...
July 10, 2017: Environmental Health and Preventive Medicine
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