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https://www.readbyqxmd.com/read/28651303/nomograms-to-predict-the-individual-survival-of-patients-with-solitary-hepatocellular-carcinoma-after-hepatectomy
#1
Junyi Shen, Linye He, Chuan Li, Tianfu Wen, Weixia Chen, Changli Lu, Lvnan Yan, Bo Li, Jiayin Yang
Background/Aims: Solitary hepatocellular carcinoma (HCC) is a subgroup of HCCs. We aimed to establish nomograms for predicting the survival of solitary HCC patients after hepatectomy. Methods: A total of 538 solitary HCC patients were randomly classified into training and validation sets. A Cox model was used to identify predictors of overall survival (OS) in the training set. A nomogram was generated based on these predictors and was validated using the validation set...
June 27, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28650890/solitary-choroidal-metastasis-from-lung-adenocarcinoma-on-fdg-pet-ct
#2
Zu-Gui Li
Solitary choroidal metastasis as an initial presentation of lung cancer is rare. A 67-year-old woman who initially presented with a 3-month history of blurred vision in the right eye was suggestive of choroidal melanoma on MRI. Preoperatively, a pulmonary mass was found on x-ray. She was referred for an FDG PET/CT imaging, which revealed a choroidal lesion with minimal FDG uptake in right eye and increased FDG activity in the known lung mass. A pathological diagnosis of metastatic lung adenocarcinoma was made after enucleation of the right eyeball...
June 24, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28650762/angioleiomyoma-of-the-lower-leg
#3
Robert L B Sprinkle, Omar P Sangueza, Ashleigh E Wells
Angioleiomyomas are benign tumefactions that originate from smooth muscle in vascular structures and are difficult to definitively diagnose preoperatively. Although these lesions are rarely encountered in the foot, the lower extremity is the most common site of occurrence. An angioleiomyoma typically manifests as a small, painful, solitary, mobile lesion. This case report describes a lateral retromalleolar para-Achilles tendon insertional location for a moderately sized immobile solid tumefaction in the subcutaneous tissues...
May 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28650756/accessory-lesser-metatarsal-sesamoids-in-all-of-the-metatarsophalangeal-jointsa-case-report
#4
Selim Ergun, Baransel Saygı, İlyas Arslan, Yakup Yıldırım
Lesser metatarsal sesamoids are one of the most common accessory bones of the foot and are most commonly seen at the fifth metatarsophalangeal joint. They are rarely seen in other metatarsophalangeal joints. In the literature, there are reports of solitary accessory sesamoid bones seen at lesser metatarsophalangeal joints. We report the case of a 68-year-old woman with lesser metatarsal sesamoids accompanying all of the metatarsophalangeal joints.
May 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28649695/neuronal-aromatase-expression-in-pain-processing-regions-of-the-medullary-and-spinal-cord-dorsal-horn
#5
May Tran, Julia A Kuhn, João M Bráz, Allan I Basbaum
In both acute and chronic pain conditions, women tend to be more sensitive than men. This sex difference may be regulated by estrogens, such as estradiol, that are synthesized in the spinal cord and brainstem and act locally to influence pain processing. To identify a potential cellular source of local estrogen, here we examined the expression of aromatase, the enzyme that catalyzes the conversion of testosterone to estradiol. Our studies focused on primary afferent neurons and on their central targets in the spinal cord and medulla as well as in the nucleus of the solitary tract, the target of nodose ganglion-derived visceral afferents...
June 26, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28649467/larval-exposure-to-field-realistic-concentrations-of-clothianidin-has-no-effect-on-development-rate-over-winter-survival-or-adult-metabolic-rate-in-a-solitary-bee-osmia-bicornis
#6
Elizabeth Nicholls, Robert Fowler, Jeremy E Niven, James D Gilbert, Dave Goulson
There is widespread concern regarding the effects of agro-chemical exposure on bee health, of which neonicotinoids, systemic insecticides detected in the pollen and nectar of both crops and wildflowers, have been the most strongly debated. The majority of studies examining the effect of neonicotinoids on bees have focussed on social species, namely honey bees and bumble bees. However, most bee species are solitary, their life histories differing considerably from these social species, and thus it is possible that their susceptibility to pesticides may be quite different...
2017: PeerJ
https://www.readbyqxmd.com/read/28649250/immunity-in-protochordates-the-tunicate-perspective
#7
REVIEW
Nicola Franchi, Loriano Ballarin
Tunicates are the closest relatives of vertebrates, and their peculiar phylogenetic position explains the increasing interest toward tunicate immunobiology. They are filter-feeding organisms, and this greatly influences their defense strategies. The majority of the studies on tunicate immunity were carried out in ascidians. The tunic acts as a first barrier against pathogens and parasites. In addition, the oral siphon and the pharynx represent two major, highly vascularized, immune organs, where circulating hemocytes can sense non-self material and trigger immune responses that, usually, lead to inflammation and phagocytosis...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28648876/triple-negative-invasive-lobular-carcinoma-of-the-breast-presents-as-small-bowel-obstruction
#8
Mariya Khokhlova, Heidi Roppelt, Bradley Gluck, Jingxuan Liu, Kester Haye, Sang Pak, Edna Kapenhas
Metastasis from breast carcinoma to the gastrointestinal tract (GIT) is very uncommon. To date, only a few cases have been described worldwide. Of those which do metastasize to the GIT, only estrogen receptor (ER), progesterone receptor (PR) and HER2-neu receptor positive cancers have been reported and none have been mentioned in the U.S. We report a case of a 70-year-old white female with history of triple negative lobular carcinoma eight years earlier who presented with solitary jejunal mass causing obstruction...
June 8, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28648562/a-cellular-automaton-based-on-plasma-membrane-turnover-accurately-recapitulates-cell-mechanics-during-epithelial-scattering
#9
Christian F Schmutz, Trey D Hatton, Michael P Blomfield, Benjamin D Chandler, Trent C Benedick, Marc D H Hansen
Epithelial cells can be triggered to actively detach from epithelial tissues and become solitary, migratory and invasive. This process occurs repeatedly in development, where it is termed epithelial-mesenchymal transition (EMT), and can be recapitulated as epithelial scattering in cell culture models. Detachment of cell-cell junctions involves changes in contractile forces, actin cytoskeletal organization, changes in cell-substrate adhesion properties, surface presentation of cell-cell adhesion molecules, and gene expression...
June 22, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28646260/salt-appetite-and-the-influence-of-opioids
#10
Craig M Smith, Andrew J Lawrence
Due to the biological importance of sodium and its relative scarcity within many natural environments, 'salt appetite' has evolved whereby dietary salt is highly sought after and palatable when tasted. In addition to peripheral responses, salt depletion is detected within the brain via circumventricular organs and 11β-hydroxysteroid dehydrogenase type 2 (HSD2) neurons to increase salt appetite. Salt appetite is comprised of two main components. One component is the incentive salience or motivation for salt (i...
June 24, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28645597/spinal-arteriovenous-malformation-associated-with-parkes-weber-syndrome-report-of-two-cases-and-literature-review
#11
Zi-Fu Li, Qiang Li, Yi Xu, Bo Hong, Qing-Hai Huang, Jian-Min Liu
OBJECTIVE: To present two cases of Parkes Weber syndrome (PWS) with spinal arteriovenous malformation(AVM), and discuss the radiological features and clinical treatment with literature review. METHODS: Clinical data on two PWS patients with spinal AVM was acquired in a prospective follow-up investigation. Clinical manifestations, radiographic features, procedural results and follow-up outcome were collected and reviewed together with literature review. RESULTS: The first patient presented with limb weakness and urinary dysfunction and the second with repetitive subarachnoid hemorrhage followed by paraplegia...
June 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28645258/erratum-to-solitary-plasmacytoma-population-based-analysis-of-survival-trends-and-effect-of-various-treatment-modalities-in-the-usa
#12
Nishitha Thumallapally, Ahmed Meshref, Mohammed Mousa, Terenig Terjanian
No abstract text is available yet for this article.
June 23, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28644381/an-efficient-user-authentication-and-user-anonymity-scheme-with-provably-security-for-iot-based-medical-care-system
#13
Chun-Ta Li, Tsu-Yang Wu, Chin-Ling Chen, Cheng-Chi Lee, Chien-Ming Chen
In recent years, with the increase in degenerative diseases and the aging population in advanced countries, demands for medical care of older or solitary people have increased continually in hospitals and healthcare institutions. Applying wireless sensor networks for the IoT-based telemedicine system enables doctors, caregivers or families to monitor patients' physiological conditions at anytime and anyplace according to the acquired information. However, transmitting physiological data through the Internet concerns the personal privacy of patients...
June 23, 2017: Sensors
https://www.readbyqxmd.com/read/28644110/detailed-magnetic-resonance-imaging-features-of-a-case-series-of-primary-gliosarcoma
#14
Luísa Sampaio, Paulo Linhares, José Fonseca
Objective We aimed to characterise the magnetic resonance imaging (MRI) features of a case series of primary gliosarcoma, with the inclusion of diffusion-weighted imaging and perfusion imaging with dynamic susceptibility contrast MRI. Materials and methods We conducted a retrospective study of cases of primary gliosarcoma from the Pathology Department database from January 2006 to December 2014. Clinical and demographic data were obtained. Two neuroradiologists, blinded to diagnosis, assessed tumour location, signal intensity in T1 and T2-weighted images, pattern of enhancement, diffusion-weighted imaging and dynamic susceptibility contrast MRI studies on preoperative MRI...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28644098/intracranial-solitary-fibrous-tumors-hemangiopericytomas-first-report-of-malignant-progression
#15
Caroline Apra, Karima Mokhtari, Philippe Cornu, Matthieu Peyre, Michel Kalamarides
OBJECTIVE Meningeal solitary fibrous tumors/hemangiopericytomas (MSFTs/HPCs) are rare intracranial tumors resembling meningiomas. Their classification was redefined in 2016 by the World Health Organization (WHO) as benign Grade I fibrohyaline type, intermediate Grade II hypercellular type, and malignant highly mitotic Grade III. This grouping is based on common histological features and identification of a common NAB2-STAT6 fusion. METHODS The authors retrospectively identified 49 cases of MSFT/HPC. Clinical data were obtained from the medical records, and all cases were analyzed according to this new 2016 WHO grading classification in order to identify malignant transformations...
June 23, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28643786/a-unified-model-of-hymenopteran-preadaptations-that-trigger-the-evolutionary-transition-to-eusociality
#16
Andrés E Quiñones, Ido Pen
Explaining the origin of eusociality, with strict division of labour between workers and reproductives, remains one of evolutionary biology's greatest challenges. Specific combinations of genetic, behavioural and demographic traits in Hymenoptera are thought to explain their relatively high frequency of eusociality, but quantitative models integrating such preadaptations are lacking. Here we use mathematical models to show that the joint evolution of helping behaviour and maternal sex ratio adjustment can synergistically trigger both a behavioural change from solitary to eusocial breeding, and a demographic change from a life cycle with two reproductive broods to a life cycle in which an unmated cohort of female workers precedes a final generation of dispersing reproductives...
June 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28642790/therapeutic-outcomes-of-patients-with-multifocal-papillary-thyroid-microcarcinomas-and-larger-tumors
#17
Soh-Ching Ng, Sheng-Fong Kuo, Szu-Tah Chen, Chuen Hsueh, Bie-Yu Huang, Jen-Der Lin
A retrospective review of 626 patients with multifocal papillary thyroid carcinoma (PTC) including 147 patients (23.5%) with multifocal papillary thyroid microcarcinoma (PTMC) from a total of 2,536 patients with PTC who visited the Chang Gung Medical Center in Linkou, Taiwan, was performed. A comparison of the clinical features between 626 multifocal and 1,910 solitary PTC cases showed that patients in the multifocal PTC group were older and had a smaller mean tumor size, a more advanced tumor-node-metastasis (TNM) stage, and a higher percentage of nonremission status compared to patients in the solitary PTC group...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28640519/a-solitary-reddish-nodule-on-the-upper-back-of-a-middle-aged-woman
#18
Massimo Mascolo, Francesca Pagliuca, Claudia Costa, Pierpaolo Di Lorenzo, Massimiliano Scalvenzi, Stefania Staibano
No abstract text is available yet for this article.
June 22, 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/28640138/an-unusual-presentation-of-multiple-myeloma-with-unilateral-sudden-vision-loss-a-case-report
#19
Pei-Wen Wu, Ta-Jen Lee, Jim-Ray Chen, Chien-Chia Huang
RATIONALE: Plasma cell neoplasms are categorized by neoplastic proliferation of a single clone of plasma cells which produce a monoclonal immunoglobulin. Plasma cell neoplasms can present as a solitary plasmacytoma or as multiple myeloma. Both of them can progress to multiple myeloma. Once a diagnosis of plasmacytoma has been made, thorough examinations should be carried out for identifying the disease entity. PATIENT CONCERNS AND DIAGNOSES: Herein, we describe an extraordinary rare case of multiple myeloma with initial presentation of a left sphenoid neoplasm resulting in left-sided headache and rapid deterioration of visual acuity...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28640106/the-outcome-of-eosinophilic-granuloma-involving-unilateral-atlantoaxial-joint-a-case-report-and-literature-review
#20
Yu Song, Wen Geng, Tao Guo, Yong Gao, Yukun Zhang, Shuai Li, Kun Wang, Ji Tu, Cao Yang
RATIONALE: Solitary eosinophilic granuloma (EG), the most benign, common form of Langerhans cell histiocytosis, has a self-limiting process and is associated with a good prognosis. Immobilization is recommended as the first treatment strategy for solitary EG, although the treatment protocols are still controversial. Radiotherapy and surgery are secondary treatment choices. Lesions of the upper cervical spine react differently to treatment because of their specific anatomical and motor features...
June 2017: Medicine (Baltimore)
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