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https://www.readbyqxmd.com/read/29449736/adenoid-cystic-carcinoma-a-rare-breast-carcinoma
#1
R Sharma, R K Goel, L Lipi, R Sachdev
Adenoid cystic carcinoma is a rare neoplasm accounting for <0.1% of breast carcinomas. The mean age of presentation is fifth to sixth decade of life and it generally presents as a painful breast lump. The histological features are characteristic with cribriform and acinar pattern of basaloid cells. It is triple negative tumor with CD117 and p63 positivity and excellent prognosis.
December 2017: Pathologica
https://www.readbyqxmd.com/read/29448315/lumping-of-degree-based-mean-field-and-pair-approximation-equations-for-multistate-contact-processes
#2
Charalampos Kyriakopoulos, Gerrit Grossmann, Verena Wolf, Luca Bortolussi
Contact processes form a large and highly interesting class of dynamic processes on networks, including epidemic and information-spreading networks. While devising stochastic models of such processes is relatively easy, analyzing them is very challenging from a computational point of view, particularly for large networks appearing in real applications. One strategy to reduce the complexity of their analysis is to rely on approximations, often in terms of a set of differential equations capturing the evolution of a random node, distinguishing nodes with different topological contexts (i...
January 2018: Physical Review. E
https://www.readbyqxmd.com/read/29447906/cell-death-in-neural-precursor-cells-and-neurons-before-neurite-formation-prevents-the-emergence-of-abnormal-neural-structures-in-the-drosophila-optic-lobe
#3
Yusuke Hara, Tatsuya Sudo, Yu Togane, Hiromi Akagawa, Hidenobu Tsujimura
Programmed cell death is a conserved strategy for neural development both in vertebrates and invertebrates and is recognized at various developmental stages in the brain from neurogenesis to adulthood. To understand the development of the central nervous system, it is essential to reveal not only molecular mechanisms but also the role of neural cell death (Pinto-Teixeira et al., 2016). To understand the role of cell death in neural development, we investigated the effect of inhibition of cell death on optic lobe development...
February 12, 2018: Developmental Biology
https://www.readbyqxmd.com/read/29447860/man-with-chest-pain-and-lump-in-neck
#4
Kenneth D Marshall, Sydney L Weese
No abstract text is available yet for this article.
February 2018: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/29443754/multiple-extra-articular-synovial-cysts-accompanied-by-rheumatoid-arthritis-in-the-bilateral-elbow-joints-a-case-report
#5
Jingfeng Zhang, Junli Wang, Xiongwei Mao, Zhengang Li
RATIONALE: Synovial cysts are well known in rheumatoid arthritis (RA), and most common in the popliteal fossa. They may produce lots of local symptoms and complaints, which may present initially as an unrelated clinical condition. Few studies have reported multiple extra-articular synovial cysts (MESCs) in the RA patients. Early diagnosis is crucial for patient treatment. PATIENT CONCERNS: A 50-year-old man without any special clinical histories found a soya bean size bump at the left elbow medially, then multiple lumps were found at bilateral elbows and gradually increasing...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29434512/dynamics-of-lumps-and-dark-dark-solitons-in-the-multi-component-long-wave-short-wave-resonance-interaction-system
#6
Jiguang Rao, Kuppuswamy Porsezian, Jingsong He, Thambithurai Kanna
General semi-rational solutions of an integrable multi-component (2+1)-dimensional long-wave-short-wave resonance interaction system comprising multiple short waves and a single long wave are obtained by employing the bilinear method. These solutions describe the interactions between various types of solutions, including line rogue waves, lumps, breathers and dark solitons. We only focus on the dynamical behaviours of the interactions between lumps and dark solitons in this paper. Our detailed study reveals two different types of excitation phenomena: fusion and fission...
January 2018: Proceedings. Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/29426806/neonatal-epilepsies-clinical-management
#7
REVIEW
Marie-Coralie Cornet, Tristan T Sands, Maria Roberta Cilio
Whereas the majority of seizures in neonates are related to acute brain injury, a substantial minority are the first symptom of a neonatal-onset epilepsy, often linked to a pathogenic genetic variant. This defect may disrupt cortical development (e.g., lissencephaly, focal cortical dysplasia), lead to metabolic changes (e.g., pyridoxine-dependent epilepsy, sulfite oxidase deficiency) or lead to cortical dysfunction without metabolic or macroscopic structural changes (e.g., channelopathies, STXBP1). Historically, studies on treatment response and long-term consequences of neonatal seizures have lumped all etiologies together...
January 31, 2018: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29424949/icd-10-impact-on-ascertainment-and-accuracy-of-oral-cleft-cases-as-recorded-by-the-brazilian-national-live-birth-information-system
#8
L R Nascimento, Eduardo E Castilla, M R Dutra, Iêda M Orioli
We compared Brazilian oral cleft (OC) frequencies between the population-based Brazilian System of Live Birth (SINASC) and the hospital-based Latin American Collaborative Study of Congenital Malformations (ECLAMC), trying to understand the paucity of cleft of lip and palate (CLP) in the first system. SINASC uses the International Classification of Disease version 10 (ICD-10) for congenital defects coding, ECLAMC uses ICD-8 with modifications. In SINASC, the CLP frequency was 1.7 per 10,000 (95% confidence limits 1...
February 9, 2018: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29421898/construction-of-a-coarse-grain-quasi-classical-trajectory-method-i-theory-and-application-to-n2-n2-system
#9
R L Macdonald, R L Jaffe, D W Schwenke, M Panesi
This work aims to construct a reduced order model for energy transfer and dissociation in non-equilibrium nitrogen mixtures. The objective is twofold: to present the Coarse-Grain Quasi-Classical Trajectory (CG-QCT) method, a novel framework for constructing a reduced order model for diatom-diatom systems; and to analyze the physics of non-equilibrium relaxation of the nitrogen molecules undergoing dissociation in an ideal chemical reactor. The CG-QCT method couples the construction of the reduced order model under the coarse-grain model framework with the quasi-classical trajectory calculations to directly construct the reduced model without the need for computing the individual rovibrational specific kinetic data...
February 7, 2018: Journal of Chemical Physics
https://www.readbyqxmd.com/read/29421878/construction-of-a-coarse-grain-quasi-classical-trajectory-method-ii-comparison-against-the-direct-molecular-simulation-method
#10
R L Macdonald, M S Grover, T E Schwartzentruber, M Panesi
This work presents the analysis of non-equilibrium energy transfer and dissociation of nitrogen molecules (N2(Σg+1)) using two different approaches: the direct molecular simulation (DMS) method and the coarse-grain quasi-classical trajectory (CG-QCT) method. The two methods are used to study thermochemical relaxation in a zero-dimensional isochoric and isothermal reactor in which the nitrogen molecules are heated to several thousand degrees Kelvin, forcing the system into strong non-equilibrium. The analysis considers thermochemical relaxation for temperatures ranging from 10 000 to 25 000 K...
February 7, 2018: Journal of Chemical Physics
https://www.readbyqxmd.com/read/29414062/a-novel-analytical-description-of-periodic-volume-coil-geometries-in-mri
#11
D Koh, J Felder, N J Shah
MRI volume coils can be represented by equivalent lumped element circuits and for a variety of these circuit configurations analytical design equations have been presented. The unification of several volume coil topologies results in a two-dimensional gridded equivalent lumped element circuit which compromises the birdcage resonator, its multiple endring derivative but also novel structures like the capacitive coupled ring resonator. The theory section analyzes a general two-dimensional circuit by noting that its current distribution can be decomposed into a longitudinal and an azimuthal dependency...
January 25, 2018: Journal of Magnetic Resonance
https://www.readbyqxmd.com/read/29411543/lumped-parameter-models-of-the-pulmonary-vasculature-during-the-progression-of-pulmonary-arterial-hypertension
#12
Jesse W Gerringer, Julie C Wagner, Daniela Vélez-Rendón, Daniela Valdez-Jasso
A longitudinal study of monocrotaline-induced pulmonary arterial hypertension (PAH) was carried out in Sprague-Dawley rats to investigate the changes in impedance (comprising resistance and compliance) produced by elevated blood pressure. Using invasively measured blood flow as an input, blood pressure was predicted using 3- and 4-element Windkessel (3WK, 4WK) type lumped-parameter models. Resistance, compliance, and inductance model parameters were obtained for the five different treatment groups via least-squares errors...
February 2018: Physiological Reports
https://www.readbyqxmd.com/read/29403218/fine-needle-aspiration-cytology-of-granulocytic-sarcoma-presenting-as-a-breast-lump-report-of-a-rare-case-with-a-comprehensive-literature-search
#13
Abhishek Sharma, Anjan Kr Das, Subrata Pal, Subodh Bhattacharyya
Myeloid sarcoma is a neoplasm of myeloid cells that can arise before or concurrent with or may follow acute myeloid leukemia. Very rarely, it can present as an isolated breast lump. We have diagnosed a case of myeloid sarcoma by fine-needle aspiration cytology (FNAC), in a 52-year-old woman who presented with the right-sided breast lump. FNAC showed hypercellular smears with immature myeloid cells few neutrophils and many large round cells with high nuclear-cytoplasmic ratio, prominent nucleoli and a moderate amount of granular cytoplasm...
January 2018: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/29401846/analysis-of-the-nonlinear-kerr-effects-in-optical-transmission-systems-that-deploy-optical-phase-conjugation
#14
Mohammad A Z Al-Khateeb, Md Asif Iqbal, Mingming Tan, Abdallah Ali, Mary McCarthy, Paul Harper, Andrew D Ellis
In this work, we will derive, validate, and analyze the theoretical description of nonlinear Kerr effects resulting from various transmission systems that deploy single or multiple optical phase conjugators (OPCs). We will show that the nonlinear Kerr compensation can be achieved, with various efficiencies, in both lumped and distributed Raman transmission systems. The results show that first order distributed Raman systems are superior to the discretely amplified systems in terms of the nonlinear Kerr compensation efficiency that a mid-link OPC can achieve...
February 5, 2018: Optics Express
https://www.readbyqxmd.com/read/29395132/distributed-eso-based-cooperative-tracking-control-for-high-order-nonlinear-multiagent-systems-with-lumped-disturbance-and-application-in-multi-flight-simulators-systems
#15
Zhang Cong
Based on extended state observer, a novel and practical design method is developed to solve the distributed cooperative tracking problem of higher-order nonlinear multiagent systems with lumped disturbance in a fixed communication topology directed graph. The proposed method is designed to guarantee all the follower nodes ultimately and uniformly converge to the leader node with bounded residual errors. The leader node, modeled as a higher-order non-autonomous nonlinear system, acts as a command generator giving commands only to a small portion of the networked follower nodes...
January 25, 2018: ISA Transactions
https://www.readbyqxmd.com/read/29394726/-breast-cancer-occurring-in-the-axillary-area-a-case-report
#16
Keita Adachi, Kenichi Sakurai, Shuhei Suzuki, Hitomi Kubota, Yukiko Hara, Kaori Abe, Asako Fujiwara, Tomohiro Hirano, Katsuhisa Enomoto, Shinobu Masuda, Makoto Makishima, Tsugumichi Koshinaga
A 50-year-old woman aware a lump in the right axillary area 5 years ago.She noticed that the lump gradually became bigger, accompanied by redness and gathering of the skin; therefore, she consulted a dermatologist.On receiving the result of skin biopsy, she was referred for a suspected metastatic lesion from breast cancer.The mass was 20mm in diameter, was palpable in the right axillary area, and accompanied by redness of the skin.Ultrasonography revealed 2 irregular-shaped masses in the right axillary area...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29394656/-a-case-of-appendiceal-mucinous-adenocarcinoma-detected-with-a-bladder-tumor
#17
Shinji Tsutsumi, Akihiko Murata, Yoichi Yamauchi, Kensuke Okano, Hiroshi Yokoyama, Akitoshi Kimura, Yoshiya Ishizawa, Minoru Umehara, Masashi Kato, Naoki Hashimoto, Yutaka Umehara, Shinsuke Nishikawa, Kenichi Takahashi, Takayuki Morita
A 74-year-oldwoman hadconsultedthe department of urology in our hospital because of microscopic hematuria. Cystoscopy revealeda urinary bladder tumor, suspectedas an adenocarcinoma basedon biopsy. MRI showeda cystic tumor of the appendix with vesical fistula; therefore, she underwent an operation with a diagnosis of appendiceal cancer invading the urinary bladder. During the operation, we found that the appendix sunk into the urinary bladder with right adnexa. Therefore, we performed ileocecal resection, partial resection of the urinary bladder, and right adnexectomy...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29394575/-a-case-of-breast-carcinoma-associated-with-osteoclast-like-giant-cells
#18
Masaru Noda, Kazunoshin Tachibana, Hiroshi Nakano, Sadahiko Abe, Yuko Murakami, Maiko Okano, Noriko Abe, Sayaka Yoshida, Yuichiro Kiko, Yuko Hashimoto, Tohru Ohtake
Mammary carcinoma with osteoclast-like giant cells is uncommon, and its onset mechanism and malignancy are unknown. We report a case of mammary carcinoma with osteoclast-like giant cells. A 41-year-old woman noticed a lump in her left breast. Ultrasound sonography findings suggested breast cancer. A core needle biopsy revealed invasive ductal carcinoma of the breast. Modified radicalmastectomy and sentinell ymph node biopsy were performed. Histopathologicalexamination revealed papillotubular carcinoma with osteoclast-like giant cells...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29394549/-a-long-surviving-case-of-her2-positive-breast-cancer-with-brain-metastasis-treated-through-multidisciplinary-therapy
#19
Takashi Nakakuma, Kana Takahashi, Souichirou Ueno, Yasushi Kondou, Yoshimasa Kosaka, Norihiko Sengoku
We present a case of a 48-year-old woman who visited our hospital due to a lump in her left breast. She was diagnosed with HER2-positive, hormone-positive stage III A breast cancer. The patient underwent trastuzumab-based neoadjuvant chemotherapy and surgery(Bt+Ax). The pathological effect of neoadjuvant chemotherapy was Grade 1b. The patient underwent radiotherapy and was administered hormone therapy and adjuvant trastuzumab. Seven months postsurgery, the patient was taken to the hospital for loss of consciousness...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29391664/resonators-for-in-vivo-imaging-practical-experience
#20
George A Rinard, Richard W Quine, Laura A Buchanan, Sandra S Eaton, Gareth R Eaton, Boris Epel, Subramanian V Sundramoorthy, Howard J Halpern
Resonators for preclinical electron paramagnetic resonance imaging have been designed primarily for rodents and rabbits and have internal diameters between 16 and 51 mm. Lumped circuit resonators include loop-gap, Alderman-Grant, and saddle coil topologies and surface coils. Bimodal resonators are useful for isolating the detected signal from incident power and reducing dead time in pulse experiments. Resonators for continuous wave, rapid scan, and pulse experiments are described. Experience at the University of Chicago and University of Denver in design of resonators for in vivo imaging is summarized...
December 2017: Applied Magnetic Resonance
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