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https://www.readbyqxmd.com/read/28635993/head-and-neck-vascular-anomalies-a-multidisciplinary-approach-and-diagnostic-criteria
#1
L Moneghini, V Sangiorgio, D Tosi, G Colletti, F Melchiorre, V Baraldini, D Graziani, R M Alfano, G Vercellio, G Bulfamante
Vascular anomalies represent a heterogeneous group of pathologies of the circulatory system that can affect any type of hematic and /or lymphatic vessel of different diameter or anatomic site. The extreme variability of tissue types and districts involved by these lesions determines a wide heterogeneity of clinical manifestations, resulting in involvement of different medical expertise. In this context, a commonly agreed terminology is crucial for the appropriate evaluation and multidisciplinary management of patients...
March 2017: Pathologica
https://www.readbyqxmd.com/read/28629611/sentinel-lymph-node-mapping-in-minimally-invasive-surgery-role-of-imaging-with-color-segmented-fluorescence-csf
#2
Maite I Lopez Labrousse, Michael Frumovitz, M Guadalupe Patrono, Pedro T Ramirez
OBJECTIVE: Sentinel lymph node mapping, alone or in combination with pelvic lymphadenectomy, is considered a standard approach in staging of patients with cervical or endometrial cancer [1-3]. The goal of this video is to demonstrate the use of indocyanine green (ICG) and color-segmented fluorescence when performing lymphatic mapping in patients with gynecologic malignancies. METHODS: Injection of ICG is performed in two cervical sites using 1mL (0.5mL superficial and deep, respectively) at the 3 and 9 o'clock position...
June 16, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28617750/skin-and-wound-care-in-lymphedema-patients-a-taxonomy-primer-and-literature-review
#3
Caroline E Fife, Wade Farrow, Adelaide A Hebert, Nathan C Armer, Bob R Stewart, Janice N Cormier, Jane M Armer
BACKGROUND: Lymphedema is a condition of localized protein-rich swelling from damaged or malfunctioning lymphatics. Because the immune system is compromised, there is a high risk of infection. Infection in patients with lymphedema may present in a variety of ways. OBJECTIVE: The goals of this review were to standardize the terminology of skin breakdown in the context of lymphedema, synthesize the available information to create best practice recommendations in support of the American Lymphedema Framework Project update to its Best Practices document, and create recommendations for further research...
July 2017: Advances in Skin & Wound Care
https://www.readbyqxmd.com/read/28614587/scholars-and-scientists-in-the-history-of-the-lymphatic-system
#4
REVIEW
Gianfranco Natale, Guido Bocci, Domenico Ribatti
The discovery of the lymphatic system has a long and fascinating history. The interest in anatomy and physiology of this system paralleled that of the blood cardiocirculatory system and has been maybe obscured by the latter. Paradoxically, if the closed blood system appeared open in Galen's anatomy and physiology, and took a very long time to be correctly described in terms of pulmonary and general circulation by ibn Al-Nafis/Michael Servetus/Realdo Colombo and William Harvey, respectively, the open lymphatic system was incorrectly described as a closed circuit connected with arteries and veins...
June 14, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28608029/the-efficacy-of-lymphaticovenular-anastomosis-in-breast-cancer-related-lymphedema
#5
H Winters, H J P Tielemans, M Hameeteman, V A A Paulus, C H Beurskens, N J Slater, D J O Ulrich
INTRODUCTION: Lymphedema can be a debilitating condition, causing a great decrease in a person's quality of life (QoL). Treatment with lymphaticovenular anastomosis (LVA), in which an anastomosis is created between the lymphatic and venous system, may attenuate lymphedema symptoms and reduce swelling. In this study, we share the results using LVA to treat breast cancer-related lymphedema (BCRL) at our institution. MATERIALS AND METHODS: Patients were eligible for inclusion if they suffered from unilateral BCRL, if functional lymphatics were available, if compression therapy was used for at least 6 months, and if the follow-up was 12 months at minimum...
June 12, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28606810/tailored-design-of-multifunctional-and-programmable-ph-responsive-self-assembling-polypeptides-as-drug-delivery-nanocarrier-for-cancer-therapy
#6
Tzu-Wei Wang, Chia-Wei Yeh, Chen-Hsiang Kuan, Li-Wen Wang, Liang-Hsin Chen, Hsi-Chin Wu, Jui-Shen Sun
Breast cancer has become the second leading cause of cancer-related mortality in female wherein more than 90% of breast cancer-related death results from cancer metastasis to distant organs at advanced stage. The purpose of this study is to develop biodegradable nanoparticles composed of natural polypeptides and calcium phosphate (CaP) with sequential pH-responsivity to tumor microenvironments for active targeted drug delivery. Two different amphiphilic copolymers, poly(ethylene glycol)3400-aconityl linkage-poly(l-glutamic acid)15-poly(l-histidine)10-poly(l-leucine)10 and LyP1-poly(ethylene glycol)1100-poly(l-glutamic acid)15-poly(l-histidine)10-poly(l-leucine)10, were exploited to self-assemble into micelles in aqueous phase...
June 9, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28604449/cervical-adenocarcinoma-has-a-poorer-prognosis-and-a-higher-propensity-for-distant-recurrence-than-squamous-cell-carcinoma
#7
Eun Jung Jung, Jung Mi Byun, Young Nam Kim, Kyung Bok Lee, Moon Su Sung, Ki Tae Kim, Dae Hoon Jeong
OBJECTIVE: We aimed to analyze the differences in prognosis and the pattern of recurrence between squamous cell carcinoma (SCC) and adenocarcinoma (ADC) in patients with cervical cancer. METHODS: We retrospectively reviewed the medical records of 969 patients with SCC and 144 patients with ADC who underwent radical hysterectomy and pelvic lymph node dissection at the Busan Paik Hospital between January 1988 and December 2010. RESULTS: Adenocarcinoma was associated with poorer disease-free survival (P = 0...
June 10, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28600728/the-critical-role-of-notch1-tlr-4-signaling-in-the-inflammatory-and-fungicidal-activity-of-macrophages-against-paracoccidioides-brasiliensis-strain-pb18
#8
Lavínia Maria Dal'Mas Romera, Gilberto Hideo Kaihami, Grasielle Pereira Jannuzzi, José Roberto Fogaça de Almeida, Sandro Rogério de Almeida
Paracoccidioidomycosis is a systemic mycosis of deep nature that primarily affects the lung and can spread via lymphatic and hematogenous to other organs and tissues. It is mainly caused by Paracoccidioides brasiliensis fungus which exhibits thermal dimorphism. The innate immune system mediated by macrophages is extremely important for the control of infection and is involved in the induction and regulation of immune/inflammatory response. These cells are able to recognize pathogens through pattern recognition receptors (PRRs) such as Toll-like receptors (TLR)...
June 9, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28598807/renal-lymphangiectasia-treated-with-percutaneous-drainage-and-sclerotherapy
#9
Sunirmal Choudhury, Kartik Sridhar, Dilip Kumar Pal
Renal lymphangiectasia is a rare benign condition of the lymphatic system. Primarily, the diagnosis is based upon characteristic imaging findings along with biochemical analysis of aspirated fluid. No definitive algorithm exists for treating this condition owing to its rarity. The literature describes various modes of management ranging from conservative management to nephrectomies. We present a case of bilateral renal lymphangiectasia managed with percutaneous drainage along with sclerotherapy. Our initial findings show a favorable outcome with this approach...
June 9, 2017: International Journal of Adolescent Medicine and Health
https://www.readbyqxmd.com/read/28598368/self-assembled-lipid-nanoparticles-for-oral-delivery-of-heparin-coated-iron-oxide-nanoparticles-for-theranostic-purposes
#10
Eleonora Truzzi, Chiara Bongio, Francesca Sacchetti, Eleonora Maretti, Monica Montanari, Valentina Iannuccelli, Elena Vismara, Eliana Leo
Recently, solid lipid nanoparticles (SLNs) have attracted increasing attention owing to their potential as an oral delivery system, promoting intestinal absorption in the lymphatic circulation which plays a role in disseminating metastatic cancer cells and infectious agents throughout the body. SLN features can be exploited for the oral delivery of theranostics. Therefore, the aim of this work was to design and characterise self-assembled lipid nanoparticles (SALNs) to encapsulate and stabilise iron oxide nanoparticles non-covalently coated with heparin (Fe@hepa) as a model of a theranostic tool...
June 9, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28590032/epithelial-mesenchymal-transition-in-cancer-metastasis-through-the-lymphatic-system
#11
REVIEW
Mikael C Karlsson, Santiago F Gonzalez, Josefin Welin, Jonas Fuxe
It was already in the 18th century when the French surgeon Le Dran first noted that breast cancer patients with spread of tumor cells to their axillary lymph nodes had a drastically worse prognosis than patients without spread (leDran et al., 1752). Since then, metastatic spread of cancer cells to regional lymph nodes has been established as the most important prognostic factor in many types of cancer (Carter et al., 1989; Elston and Ellis, 1991). However, despite its clinical importance, lymph metastasis remains an underexplored area of tumor biology...
June 7, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28584006/activated-b-cells-participating-in-the-anti-myelin-response-are-excluded-from-the-inflamed-central-nervous-system-in-a-model-of-autoimmunity-that-allows-for-b-cell-recognition-of-autoantigen
#12
Yodit Tesfagiorgis, Sarah L Zhu, Rajiv Jain, Steven M Kerfoot
Once activated, T cells gain the ability to access both healthy and inflamed nonlymphoid tissues. They are then reactivated to remain in the tissue and exert their effector function only if they encounter their specific Ag. In this study, we set out to determine if the same is true for B cells using a mouse model of CNS autoimmunity that incorporates both T and B cell recognition of a myelin autoantigen. Both T and B cells were common infiltrates of spinal cords in diseased mice. However, unlike T cells, anti-myelin B cells were excluded from the inflamed tissue...
June 5, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28583894/local-recurrence-after-five-years-is-associated-with-preoperative-chemoradiotherapy-treatment-in-patients-diagnosed-with-stage-ii-and-iii-rectal-cancer
#13
Gabriel Marin, Javier Suárez, Ruth Vera, Enrique Balén, Antonio Viudez, Elena Mata
AIM: To asses the moment of local recurrence and its influence on the appraisal of the results of neoadjuvant chemoradiotherapy (CRT). METHODS: We evaluated 317 patients with a preoperative diagnosis of stage II or III rectal cancer who underwent rectal resection. Gender, age, neoadjuvant treatment, circumferencial resection margin, adjuvant treatment, pretreatment carcinoembryonic antigen level, tumor location, TNM stage, lymph node retrieval, abdominoperineal resection, and lymphatic or vascular infiltration were registered prospectively...
June 3, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28579911/impact-of-the-lymphatic-filariasis-control-program-towards-elimination-of-filariasis-in-vanuatu-1997-2006
#14
Tammy Allen, Fasihah Taleo, Patricia M Graves, Peter Wood, George Taleo, Margaret C Baker, Mark Bradley, Kazuyo Ichimori
BACKGROUND: Lymphatic filariasis (LF) occurs when filarial parasites are transmitted to humans through mosquitoes. The filarial worms affect the lymphatic system which leads to abnormal enlargement of body parts, chronic pain, disability, and social discrimination. In 1999, a commitment was made to eliminate LF from the Pacific Region by 2010. The Pacific Program to Eliminate LF began, with Vanuatu being one of the 16 endemic countries included in this program. METHODS: In 1997/1998 a LF prevalence baseline survey was conducted to determine the need for mass drug administration (MDA) in Vanuatu...
2017: Tropical Medicine and Health
https://www.readbyqxmd.com/read/28579697/hydrodynamically-driven-drug-release-during-interstitial-flow-through-hollow-fibers-implanted-near-lymphatics
#15
Stanislav S Dukhin, Mohamed E Labib
Current drug delivery devices (DDD) are mainly based on the use of diffusion as the main transport process. Diffusion-driven processes can only achieve low release rate because diffusion is a slow process. This represents a serious obstacle in the realization of recent successes in the suppression of lymphatic metastasis and in the prevention of limb and organ transplant rejection. Surprisingly, it was overlooked that there is a more favorable drug release mode which can be achieved when a special DDD is implanted near lymphatics...
May 20, 2017: Colloids and Surfaces. A, Physicochemical and Engineering Aspects
https://www.readbyqxmd.com/read/28571224/waldmann-s-disease-primary-intestinal-lymphangiectasia-with-atrial-septal-defect
#16
Shrikiran Aroor, Suneel Mundkur, Shravan Kanaparthi, Sandeep Kumar
Waldmann's disease or Primary Intestinal Lymphangiectasia (PIL) is a rare disorder of gastrointestinal tract characterized by dilated lymphatics and widened villi causing leakage of lymph into intestinal lumen. Loss of lymph leads to hypoalbuminemia, hyogammaglobulinemia and lymphopenia. Secondary lymphangiectasia occurs secondary to an elevated lymphatic pressure as in lymphoma, systemic lupus erythematosus, constrictive pericarditis, cardiac surgeries (Fontan's procedure), inflammatory bowel disease and malignancies...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28570462/visualization-of-accessory-lymphatic-pathways-in-secondary-upper-extremity-lymphedema-using-indocyanine-green-lymphography
#17
Kensuke Tashiro, Shuji Yamashita, Isao Koshima, Shimpei Miyamoto
INTRODUCTION: The anatomical variations in accessory lymphatic pathways around the axillary region may work as a drainage route for excess lymphatic fluid accumulation in secondary upper extremity lymphedema. In this report, accessory lymphatic pathways extending to the shoulder, neck, and breast regions in secondary upper extremity lymphedema patients are shown using indocyanine green (ICG) lymphography. PATIENTS AND METHODS: Between January 2012 and May 2015, 30 limbs of 29 patients with upper extremity lymphedema after malignant tumor resection were evaluated...
May 31, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28570444/mastering-lymphatic-microsurgery-a-new-training-model-in-living-tissue
#18
Corrado Cesare Campisi, Lucian P Jiga, Melissa Ryan, Pietro G di Summa, Corradino Campisi, Mihai Ionac
BACKGROUND: Advanced microsurgical techniques have emerged as a promising approach for the treatment of lymphedema, but achieving international standards is limited by a scarcity of adequate training models. The purpose of this report is to describe our in vivo porcine training model for microsurgery. STUDY DESIGN: Five female common-breed pigs (Sus scrofa domesticus) weighing 20 to 28 kg were placed under general anesthesia, and blue patent violet dye was injected to highlight lymphatic structures and prepare the pigs for anatomical exploration and microsurgery...
May 31, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28569457/advances-in-radioguided-surgery-in-oncology
#19
Renato A Valdés Olmos, Sergi Vidal-Sicart, Gianpiero Manca, Giuliano Mariani, Luisa F León-Ramírez, Domenico Rubello, Francesco Giammarile
The sentinel lymph node (SLN) biopsy is probably the most well known radioguided technique in surgical oncology. Today SLN biopsy reduces the morbidity associated with lymphadenectomy and increases the identification rate of occult lymphatic metastases by offering the pathologist the lymph nodes with the highest probability of containing metastatic cells. These advantages may result in a change in clinical clinical management both in melanoma and breast cancer patients. The SLN evaluation by pathology currently implies tumour burden stratification for further prognostic information...
June 1, 2017: Quarterly Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28566090/lymphatic-delivery-of-etanercept-via-nanotopography-improves-response-to-collagen-induced-arthritis
#20
Melissa B Aldrich, Fred C Velasquez, Sunkuk Kwon, Ali Azhdarinia, Kenneth Pinkston, Barrett R Harvey, Wenyaw Chan, John C Rasmussen, Russell F Ross, Caroline E Fife, E M Sevick-Muraca
BACKGROUND: Evidence suggests lymphatic function mediates local rheumatoid arthritis (RA) flares. Yet biologics that target the immune system are dosed systemically via the subcutaneous (SC) administration route, thereby inefficiently reaching local lymphatic compartments. Nanotopography has previously been shown to disrupt tight cellular junctions, potentially enhancing local lymphatic delivery and potentially improving overall therapeutic efficacy. METHOD: We first characterized nanotopography (SOFUSA™) delivery of an anti-TNF drug, etanercept, by comparing pharmacokinetic profiles to those obtained by conventional SC, intravenous (IV), and intradermal (ID) routes of administration, and assessed uptake of radiolabeled etanercept in draining lymph nodes (LNs) in single dosing studies...
May 31, 2017: Arthritis Research & Therapy
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