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https://www.readbyqxmd.com/read/29044535/incidence-and-histologic-features-of-mixed-renal-tumors
#1
Neil J Kocher, Chris Rjepaj, Erik Lehman, Jay D Raman
BACKGROUND AND OBJECTIVES: Guidelines for management of renal cell carcinoma (RCC) incompletely address the implications of mixed renal tumor histology. We investigate the incidence of mixed renal tumors identified at renal surgery and determine the association with pathologic features. METHODS: Institutional kidney tumor database was reviewed to identify 536 patients who underwent partial or radical nephrectomy. Clinical, demographic, and pathologic data were collected...
October 16, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29043038/habitat-niche-breadth-predicts-invasiveness-in-solitary-ascidians
#2
Itai Granot, Noa Shenkar, Jonathan Belmaker
A major focus of invasion biology is understanding the traits associated with introduction success. Most studies assess these traits in the invaded region, while only few compare nonindigenous species to the pool of potential invaders in their native region. We focused on the niche breadth hypothesis, commonly evoked but seldom tested, which states that generalist species are more likely to become introduced as they are capable of thriving under a wide set of conditions. Based on the massive introduction of tropical species into the Mediterranean via the Suez Canal (Lessepsian migration), we defined ascidians in the Red Sea as the pool of potential invaders...
October 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/29042169/percutaneous-cryoablation-of-renal-cell-carcinoma-with-sinus-vein-involvement-based-on-preprocedural-imaging
#3
Thomas D Atwell, A Nicholas Kurup, Stephen A Boorjian, John J Schmitz, R Houston Thompson, Bradley C Leibovich, Grant D Schmit
PURPOSE: To assess feasibility, safety, and oncologic outcomes of cryoablation in treatment of renal cell carcinoma (RCC) with extension into adjacent renal sinus vein. MATERIALS AND METHODS: Review of an internally maintained renal ablation registry identified 7 patients (4 men and 3 women; median age 62 y; age range, 45-91 y) who underwent percutaneous cryoablation of RCC with imaging consistent with extension of tumor into an immediately adjacent renal sinus vein...
October 14, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/29041022/multiple-glomus-tumours-in-multidigit-nail-bed
#4
Jun-Ku Lee, Tae-Sup Kim, Dong-Won Kim, Soo-Hong Han
Glomus tumours are lesions of the glomus body. A solitary glomus tumour is a more common, characteristically painful lesion, frequently located under the nail, whereas multiple glomus tumours are a rare clinical and genetic entity. Multiple glomus tumours are rarely subungual and do not show preference for any particular region of the body. We report a rare case of painful multidigit subungual glomus tumours in both hands.A 34-year-old male patient complained of painful fingertips (right: thumb, index finger, long finger, and ring finger; left: thumb, long finger, ring finger, small finger) on both hands for more than 5 years...
October 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/29039030/size-and-location-are-the-most-important-risk-factors-for-malignant-behavior-in-resected-solitary-fibrous-tumors
#5
Sepideh Gholami, Michael R Cassidy, Amanda Kirane, Deborah Kuk, Bhumika Zanchelli, Christina R Antonescu, Samuel Singer, Murray Brennan
PURPOSE: While previously thought to be clinically indolent, recent data suggest significant late metastatic capacity of solitary fibrous tumors (SFTs). We define prognostic factors for recurrence and disease-specific death (DSD) in resected primary SFTs. METHODS: Resected primary SFTs from 1982 to 2015 were identified from a prospective, single institutional database. Risk factors for local (LR) and distant recurrence (DR), and DSD were assessed using competing risk analysis...
October 16, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29038780/pulmonary-ossification-and-microlithiasis-in-a-bitch-with-multicentric-mammary-tumors
#6
Mahir A G Kubba
Microliths and ossification were found in the lungs of a 12-year-old bitch suffering from compound mammary gland tumor which has disseminated in the inguinal lymph node glands and the lungs. Pulmonary ossification appeared grossly as irregular stony sharp particles which infiltrated the lung tissue and were readily recognizable from under the pleura as grayish sharp protruding particles. Microscopic examination revealed the existence of intra-alveolar single or multilobular particles of ossification which are formed of lamellated osseous substance with osteocytes in lacunae...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/29037198/prolonged-survival-of-patients-with-egfr-mutated-non-small-cell-lung-cancer-with-solitary-brain-metastases-treated-with-surgical-resection-of-brain-and-lung-lesions-followed-by-egfr-tkis
#7
Qi Gui, Jiangang Liu, Dapeng Li, Chengcheng Xu
BACKGROUND: The standard combination of initial and subsequent treatments of epidermal growth factor receptor (EGFR)-mutated non-small cell lung cancer (NSCLC) patients with solitary brain metastases (BM) remain unclear. Thus, the management options and the progression-free survival (PFS) and the overall survival (OS) of EGFR-mutated NSCLC patients with solitary BM were investigated in the study. METHODS: We retrospectively reviewed the clinical data from NSCLC patients who harbored EGFR mutations and who presented solitary BM at diagnosis in our institute between 2012 and 2014...
October 16, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29035996/radioguided-occult-lesion-localization-technical-procedures-and-clinical-applications
#8
Gianpiero Manca, Sara Mazzarri, Domenico Rubello, Elisa Tardelli, Roberto C Delgado-Bolton, Francesco Giammarile, Manuela Roncella, Duccio Volterrani, Patrick M Colletti
PURPOSE: Regarding radioguided surgery, the concept of "radioguided occult lesion localization" (ROLL) is based on both preoperative interventional imaging and intraoperative radioguided detection of a clinically occult neoplastic lesion. METHODS: This methodology consists in the direct administration into the lesion of Tc-macroaggregated human albumin formed by relatively large particles retained at the injection site, which direct radioguided excisional biopsy...
October 13, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29034319/high-precision-fast-spiking-basket-cell-discharges-during-complex-events-in-the-human-neocortex
#9
Viktor Szegedi, Gábor Molnár, Melinda Paizs, Eszter Csakvari, Pál Barzó, Gábor Tamás, Karri Lamsa
In the human neocortex, solitary action potentials in some layer 2-3 pyramidal cells (PCs) trigger brief episodes of network activity known as complex events through strong excitatory synapses that specifically innervate GABAergic interneurons. Yet, how these "master PCs" configure the local network activity is not well understood. We report that single spikes in the PCs, studied here in synaptically connected cell pairs in frontal or temporal neocortical areas of both males and females, elicit firing of fast-spiking basket cells (FSBCs) with a short delay (on average 2...
September 2017: ENeuro
https://www.readbyqxmd.com/read/29033760/colonic-ganglioneuroma-a-rare-finding-during-colorectal-cancer-screening
#10
Emmanuel Ofori, Mel Ona, Daryl Ramai, Tiangui Huang, Philip Xiao, Madhavi Reddy
Ganglioneuromas are very rare clinical entities, and their occurrence in the large bowel lays further emphasis on their rarity. Ganglioneuromas are benign tumors of undifferentiated neural crest cells. Their clinical presentation is mostly asymptomatic, and if any symptoms are present at all, they are usually nonspecific, with excellent prognosis. We report an asymptomatic, 65-year-old male with a solitary ascending colonic polyp found on screening colonoscopy. Histology revealed benign polypoid spindle-cell proliferation as well as S100 reactivity, consistent with ganglioneuroma...
May 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29032847/management-of-a-renal-mass-in-a-solitary-kidney-to-freeze-or-to-cut
#11
EDITORIAL
Tobias Klatte, Antony C P Riddick, Grant D Stewart
No abstract text is available yet for this article.
October 9, 2017: European Urology
https://www.readbyqxmd.com/read/29032518/synchronous-solitary-calvarial-yolk-sac-tumor-metastasis-as-the-initial-presentation-of-mediastinal-germ-cell-tumor
#12
Kirti Gupta, Madhivanan Karthigeyan, Ayushman Satapathy, Pravin Salunke
INTRODUCTION: In children, malignant tumors presenting as a calvarial mass that too as initial manifestation are unusual. Also, brain metastases per se are rare in pediatric solid tumors with an incidence of just 1.5%. CASE DESCRIPTION: We present a child with calvarial metastasis which was the presenting symptom of an otherwise asymptomatic large malignant mediastinal germ cell tumor (GCT). The lesion was dural-based involving both calvaria as well as the underlying brain parenchyma...
October 14, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29031364/chapter-2-squamous-cell-carcinoma-of-the-head-and-neck-imaging-evaluation-of-regional-lymph-nodes-and-implications-for-management
#13
Hillary R Kelly, Hugh D Curtin
The presence of cervical lymph node metastases is a major prognostic factor in squamous cell carcinoma of the head and neck. The presence of a solitary ipsilateral metastatic lymph node reduces expected survival by almost 50%, and the presence of regional metastatic nodes at the time of presentation is the strongest predictor of recurrence or the development of distant metastases or both. Therefore, accurate identification of metastatic cervical lymph nodes is essential for staging and treatment planning. Pretreatment imaging is important for identifying clinically occult pathologic nodes as well as delineating nodal size and morphologic characteristics used in staging...
October 2017: Seminars in Ultrasound, CT, and MR
https://www.readbyqxmd.com/read/29029888/reirradiation-using-permanent-interstitial-brachytherapy-a-potentially-durable-technique-for-salvaging-recurrent-pelvic-malignancies
#14
Jonathan Feddock, Dennis Cheek, Cole Steber, Jason Edwards, Stacey Slone, Wei Luo, Marcus Randall
PURPOSE: To present a time-to-failure (TTF) analysis for all patients treated with permanent interstitial brachytherapy (PIB) at our institution, with additional analyses to correlate successful reirradiation and to identify the frequency of severe grade 3 to 4 toxicity. METHODS AND MATERIALS: Forty-two previously irradiated patients received curative or palliative intent PIB for a recurrent pelvic malignancy between January 2009 and August 2016. Minimum follow-up was 6 months after the PIB procedure...
August 26, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29028514/solitary-fibrous-tumor-in-the-abdomen-and-pelvis-a-case-series-with-radiological-findings-and-treatment-recommendations
#15
Adrian Fernandez, Miles Conrad, Ryan M Gill, Won-Tak Choi, Vishal Kumar, Spencer Behr
This study presents the radiological findings of seven cases of solitary fibrous tumor (SFT) in the abdomen and pelvis. A retrospective search of the pathology database at our institution was performed to identify cases of SFT in the abdomen and pelvis. After identifying seven cases, cross-sectional imaging was reviewed and characterized. We conclude that SFTs in the abdomen and pelvis should be considered with well-defined, circular, hypervascular masses. Pelvic SFTs should be considered with homogenous, avidly enhancing masses...
October 7, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/29028149/solitary-perianal-rectal-mass-as-the-only-manifestation-of-crohn-s-disease
#16
Hu Dan Dan, Bei Tan, Jia Ming Qian
Crohn's disease (CD) is a chronic relapsing inflammatory disorder that can affect any part of the gastrointestinal tract, from mouth to anus. Bissell et al first described the regional enteritis with perianal disease in 1934(1) .
October 13, 2017: Journal of Digestive Diseases
https://www.readbyqxmd.com/read/29028090/a-comparative-study-on-inflammatory-factors-and-immune-functions-of-lung-cancer-and-pulmonary-ground-glass-attenuation
#17
C-Y Liu, W-G Xie, S Wu, J-W Tian, J Li
OBJECTIVE: To compare the inflammatory factors and immune functions of patients with lung cancer and pulmonary ground-glass attenuation. PATIENTS AND METHODS: A total of 108 patients with pulmonary sarcoidosis treated in our hospital were selected and randomly divided into lung cancer group (Group A, n=32), diffuse ground-glass nodule group (Group B, n=35) and solitary ground-glass nodule group (Group C, n=41) according to the diagnosis results. Levels of inflammatory factors, tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), interleukin-6 (IL-6) and interleukin-10 (IL-10), in serum were detected via enzyme-linked immunosorbent assay (ELISA); the T-lymphocyte subset levels (CD3+, CD4+, CD8+ and CD4+/CD8+) in the immune system of patients in the three groups were detected using the flow cytometer; the levels of immunoglobulins, immunoglobulin G (IgG), immunoglobulin A (IgA) and immunoglobulin M (IgM), were detected via immunoturbidimetric assay...
September 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29027063/inflammatory-myofibroblastic-tumors-of-the-breast-with-simultaneous-intracranial-lung-and-pancreas-involvement-ultrasonographic-findings-and-a-review-of-the-literature
#18
Mari Inoue, Tomoyuki Ohta, Hisashi Shioya, Shun Sato, Hiroyuki Takahashi, Norio Nakata, Chiaki Taniguchi, Megumi Hirano, Makiko Nishioka, Hironori Yamakawa
We encountered a case of inflammatory myofibroblastic tumor (IMT) of the breast with simultaneous intracranial, lung, and pancreas involvement. Here, we present the clinical imaging results and report the significance of sonographic findings of breast IMT along with a review of the literature. A 16-year-old girl with a history of subarachnoidal hemorrhage was admitted to our hospital due to tonic-clonic seizure. Computed tomography (CT) and magnetic resonance imaging (MRI) showed multiple intracranial, lung, and pancreas mass lesions and a solitary mass lesion in the right breast...
October 12, 2017: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/29026880/adaptive-social-strategies-in-a-solitary-carnivore
#19
L Mark Elbroch, Michael Levy, Mark Lubell, Howard Quigley, Anthony Caragiulo
Cost-benefit trade-offs for individuals participating in social behaviors are the basis for current theories on the evolution of social behaviors and societies. However, research on social strategies has largely ignored solitary animals, in which we assume that rare interactions are explained by courtship or territoriality or, in special circumstances, resource distributions or kinship. We used directed network analysis of conspecific tolerance at food sources to provide evidence that a solitary carnivore, the puma (Puma concolor), exhibited adaptive social strategies similar to more social animals...
October 2017: Science Advances
https://www.readbyqxmd.com/read/29026584/solitary-costal-plasmacytoma-mimicking-lung-cancer-metastasis
#20
Naoki Kadota, Tsutomu Shinohara, Keishi Naruse, Nobuo Hatakeyama
A clinical diagnosis of metastatic bone tumors is usually based on radiological findings without bone biopsy. Plasmacytoma can present as a single osteolytic lesion as described in this case. Early bone biopsy should be considered in unusual clinical settings for a differential diagnosis of primary bone tumors.
October 2017: Clinical Case Reports
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