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https://www.readbyqxmd.com/read/28315423/intranodal-meningothelial-proliferation-in-a-patient-with-cowden-syndrome-a-case-report
#1
Andrea Olofson, Jonathan Marotti, Laura J Tafe, Konstantinos Linos
Ectopic meningothelial proliferations are rare and can occur in a multitude of extracranial/spinal anatomic locations. Perineurioma is another uncommon entity that shares similar histological characteristics to those found in meningothelial proliferations. These include bland spindle cells with thin, bipolar nuclei, eosinophilic cytoplasm, and indistinct cell borders, arranged in short fascicles with whorl formation. Given their uncommon occurrence and shared histological and immunohistochemical features, their distinction can present a diagnostic challenge...
March 14, 2017: Human Pathology
https://www.readbyqxmd.com/read/28258976/congenital-pulmonary-lymphangiectasia
#2
Shi-Min Yuan
Congenital pulmonary lymphangiectasia (CPL) is a rare but fatal disease, usually having an onset from the first few hours to days after birth. Inconsistent nomenclatures were used for CPL in the past decades. Patients often present with intractable respiratory failure, hydrops fetalis and even sudden death. The etiologies of CPL remain unclear. Previous hypotheses suggested that CPL might be caused by conditions preventing normal regression of the lymphatics after the 18th-20th week of gestation. Up-to-date biological studies on lymphatic development, lymphatic valve formation and occurrence of hydrops fetalis revealed possible causative relations with mutations of genes of the vascular endothelial growth factor receptor (VEGFR), RAS/MAPK, PI3K/AKT and NF-κB signaling pathways...
March 4, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28245822/cervical-chylous-leakage-following-esophagectomy-that-was-successfully-treated-by-intranodal-lipiodol-lymphangiography-a-case-report
#3
Tatsuro Tamura, Naoshi Kubo, Akira Yamamoto, Katsunobu Sakurai, Takahiro Toyokawa, Hiroaki Tanaka, Kazuya Muguruma, Masakazu Yashiro, Kiyoshi Maeda, Kosei Hirakawa, Masaichi Ohira
BACKGROUND: Chylous leakage is a well-known complication after esophagectomy, but cervical chylous leakage is relatively rare, and considerable controversy remains regarding the appropriate management strategies. We herein report a case of cervical chylous leakage treated successfully by lipiodol lymphangiography. CASE PRESENTATION: The patient, a 70-year-old man with middle thoracic esophageal cancer, underwent radical esophagectomy with 3-field lymph node dissection and subsequently developed cervical chylous leakage...
February 28, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28169139/comparative-analysis-of-intranodal-lymphangiography-with-percutaneous-intervention-for-postsurgical-chylous-effusions
#4
Michael Yannes, Donghoon Shin, Kevin McCluskey, Rakesh Varma, Ernesto Santos
PURPOSE: To evaluate clinical success and time to resolution of intranodal lymphangiography (INL) alone or with thoracic duct embolization (TDE) or thoracic duct disruption (TDD) based on initial effusion volume for postsurgical chylothorax. MATERIALS AND METHODS: Retrospective review was performed of 57 patients (mean age 63 y; 65% male) undergoing INL alone or in conjunction with other percutaneous techniques for postsurgical chylous effusions. INL alone was performed when chylothorax output was ≤ 500 mL/d and no leak was identified during fluoroscopy...
February 3, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28149811/usefulness-of-cbct-and-guidance-software-for-percutaneous-embolization-of-a-lymphatic-leakage-after-thyroidectomy-for-cancer
#5
Anna Maria Ierardi, Vincenzo Pappalardo, Xiaoli Liu, Che-Wei Wu, Angkoon Anuwong, Hoon Yub Kim, Renbin Liu, Matteo Lavazza, Davide Inversini, Andrea Coppola, Chiara Floridi, Luigi Boni, Gianpaolo Carrafiello, Gianlorenzo Dionigi
Lymphatic leakage can develop as an iatrogenic complication of thoracic, cardiac, and neck surgery. The management of this complication may be challenging and involves more specialists. Percutaneous, image-guided techniques may offer two advantages: mini-invasivity and ability to image and identify the anatomy and the site of the leakage. We report a case of refractory cervical chylous leakage after thyroidectomy and lymphadenectomy for cancer that was successfully treated with an ultrasound-guided intranodal lymphangiography and a percutaneous puncture of the leak performed using CBCT as imaging guidance...
December 2016: Gland Surgery
https://www.readbyqxmd.com/read/28036019/lymph-nodes-and-cancer-metastasis-new-perspectives-on-the-role-of-intranodal-lymphatic-sinuses
#6
REVIEW
Rui-Cheng Ji
The lymphatic system is essential for transporting interstitial fluid, soluble antigen, and immune cells from peripheral tissues to lymph nodes (LNs). Functional integrity of LNs is dependent on intact lymphatics and effective lymph drainage. Molecular mechanisms that facilitate interactions between tumor cells and lymphatic endothelial cells (LECs) during tumor progression still remain to be identified. The cellular and molecular structures of LNs are optimized to trigger a rapid and efficient immune response, and to participate in the process of tumor metastasis by stimulating lymphangiogenesis and establishing a premetastatic niche in LNs...
December 28, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28009207/quantum-networks-with-chiral-light-matter-interaction-in-waveguides
#7
Sahand Mahmoodian, Peter Lodahl, Anders S Sørensen
We propose a scalable architecture for a quantum network based on a simple on-chip photonic circuit that performs loss-tolerant two-qubit measurements. The circuit consists of two quantum emitters positioned in the arms of an on-chip Mach-Zehnder interferometer composed of waveguides with chiral-light-matter interfaces. The efficient chiral-light-matter interaction allows the emitters to perform high-fidelity intranode two-qubit parity measurements within a single chip and to emit photons to generate internode entanglement, without any need for reconfiguration...
December 9, 2016: Physical Review Letters
https://www.readbyqxmd.com/read/27999747/immune-response-and-long-term-clinical-outcome-in-advanced-melanoma-patients-vaccinated-with-tumor-mrna-transfected-dendritic-cells
#8
Jon Amund Kyte, Steinar Aamdal, Svein Dueland, Stein Sæbøe-Larsen, Else Marit Inderberg, Ulf Erik Madsbu, Eva Skovlund, Gustav Gaudernack, Gunnar Kvalheim
The most effective anticancer immune responses are probably directed against patient-specific neoantigens. We have developed a melanoma vaccine targeting this individual mutanome based on dendritic cells (DCs) loaded with autologous tumor-mRNA. Here, we report a phase I/II trial evaluating toxicity, immune response and clinical outcome in 31 metastatic melanoma patients. The first cohort (n = 22) received the vaccine without any adjuvant; the next cohort (n = 9) received adjuvant IL2. Each subject received four weekly intranodal or intradermal injections, followed by optional monthly vaccines...
2016: Oncoimmunology
https://www.readbyqxmd.com/read/27998053/ultrasonographic-findings-of-kikuchi-cervical-lymphadenopathy-in-children
#9
Ji Young Kim, Hyunju Lee, Bo La Yun
PURPOSE: The purpose of this study was to analyze the ultrasonographic (USG) findings of Kikuchi cervical lymphadenopathy in pediatric patients. METHODS: Between April 2007 and September 2016, 84 children (42 male and 42 female; mean±standard deviation age, 12.9±3.2 years; range, 5 to 18 years) confirmed with Kikuchi disease were enrolled. Clinical findings and USG findings of Kikuchi cervical lymphadenopathy were retrospectively reviewed. Localized symptoms, systemic symptoms, and laboratory findings including the white blood cell count, erythrocyte sedimentation rate (ESR), and C-reactive protein (CRP) were analyzed...
January 2017: Ultrasonography
https://www.readbyqxmd.com/read/27993325/percutaneous-treatment-of-chylous-ascites
#10
REVIEW
Jinoo Kim, Je Hwan Won
Chylous ascites occurs as a result of lymphatic leakage, which contains high concentration of triglycerides. The leakage is caused by various benign or malignant etiologies ranging from congenital lymphatic abnormality to trauma. Lymphangiography has been shown to be effective in the diagnosis of lymphatic leakage and has also been reported to have therapeutic outcome. The development of intranodal technique for lymphangiography has recently made the procedure more widespread. As an adjunctive procedure, percutaneous embolization may be performed which involves use of embolic agents such as N-butyl cyanoacrylate and coil to occlude the leak...
December 2016: Techniques in Vascular and Interventional Radiology
https://www.readbyqxmd.com/read/27993323/lymphangiography-for-thoracic-duct-interventions
#11
REVIEW
Michael S Stecker, Chieh-Min Fan
Lymph leaks resulting in chylous pleural effusions can be life-threatening. Minimally invasive thoracic duct embolization and disruption have been gaining acceptance as first-line treatment for these leaks. This review discusses the techniques for both pedal and intranodal lymphangiography in detail. It also discusses the use of lymphangiography as a means of targeting a retroperitoneal lymphatic to facilitate thoracic duct interventions for chyle leaks. Finally, outcomes and adverse events pertaining to these thoracic duct interventions are discussed...
December 2016: Techniques in Vascular and Interventional Radiology
https://www.readbyqxmd.com/read/27993320/novel-lymphatic-imaging-techniques
#12
REVIEW
Yoav Dori
The lymphatic system plays an important role in immune regulation, transport of metabolites, and fluid balance. The key circulatory role of the lymphatic system is to transport fluid from tissue back into the venous system via lymphovenous connections. Despite the centuries-old recognition of this key role, there has been poor understanding of lymphatic flow pathophysiology because of a lack of a simple reliable noninvasive clinical lymphatic imaging method. This lack of clinical imaging has limited the treatment options for patients with lymphatic flow disorders...
December 2016: Techniques in Vascular and Interventional Radiology
https://www.readbyqxmd.com/read/27993319/lymphatic-anatomy
#13
REVIEW
Michael C Hsu, Maxim Itkin
Recent development of new lymphatic imaging and intervention techniques, such as intranodal lymphangiogram, dynamic contrast enhanced magnetic resonance lymphangiography and lymphatic embolization, have resulted in the resurgence of interest in the lymphatic anatomy. The lymphatic system is a continuous maze of interlacing vessels and lymph nodes and is extremely complex and variable. This presents a significant challenge for interpretation of imaging and performance of interventions on this system. There is an embryological reason for this complexity and variability; the lymphatic system sprouts off of primordia from several locations in the body, which later fuse together at different stages of development of the embryo...
December 2016: Techniques in Vascular and Interventional Radiology
https://www.readbyqxmd.com/read/27965306/dendritic-cell-vaccination-enhances-immune-responses-and-induces-regression-of-her2pos-dcis-independent-of-route-results-of-randomized-selection-design-trial
#14
Lea Lowenfeld, Rosemarie Mick, Jashodeep Datta, Shuwen Xu, Elizabeth Fitzpatrick, Carla S Fisher, Kevin R Fox, Angela DeMichele, Paul Zhang, Susan Weinstein, Robert E Roses, Brian J Czerniecki
PURPOSE: Vaccination with HER2 peptide-pulsed DC1s stimulates a HER2 specific T-cell response. This randomized trial aimed to establish safety and evaluate immune and clinical responses to vaccination via intralesional (IL), intranodal (IN), or both intralesional and intranodal (ILN) injection. METHODS: Fifty-four HER2(pos) patients (42 pure DCIS, 12 early invasive breast cancer (IBC)) were enrolled in a neoadjuvant HER2 peptide-pulsed DC1 vaccine trial. Patients were randomized to IL (n=19), IN (n=19), or ILN (n=16) injection...
December 13, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27874054/combinational-immunotherapy-with-allo-dribble-vaccines-and-anti-ox40-co-stimulation-leads-to-generation-of-cross-reactive-effector-t-cells-and-tumor-regression
#15
Guangjie Yu, Yuhuan Li, Zhihua Cui, Nicholas P Morris, Andrew D Weinberg, Bernard A Fox, Walter J Urba, Lixin Wang, Hong-Ming Hu
It is well-known that vaccines comprising of irradiated whole tumor cells or tumor-derived heat shock proteins can generate tumor-specific immune responses. In contrast, we showed recently that vaccines composed of autophagosomes (DRibbles) derived from syngeneic sarcomas could induce cross-reactive T-cell responses and cross-protection against the tumor. This unusual property of DRibbles was related to the selective recruitment of defective ribosomal products (DRiPs) and other short-lived proteins (SLiPs) into autophagosomes via sequestosome (SQSTM1, p62) mediated association of ubiquitinated SLiPs to the autophagy gene product LC3...
November 22, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27831840/lymphatic-intervention-for-various-types-of-lymphorrhea-access-and-treatment
#16
Masanori Inoue, Seishi Nakatsuka, Hideki Yashiro, Masashi Tamura, Yohsuke Suyama, Jitsuro Tsukada, Nobutake Ito, Sota Oguro, Masahiro Jinzaki
Traumatic lymphorrhea is a rare but potentially life-threatening complication. Postoperative lymphorrhea is the leading cause of traumatic lymphorrhea and can arise anywhere within the lymphatic system. Leaks arising from the aortoiliac region to the thoracic duct (TD) and from hepatic lymphatics can be identified with intranodal lymphangiography and transhepatic lymphangiography, respectively. Therefore, an appropriate lymphangiography technique is essential for identifying the sources of leaks. Chylothorax resulting from damage to the TD can be serious because the TD transports large amounts of lymphatic fluid from the gastrointestinal, hepatic, and aortoiliac regions...
November 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27807557/ultrasound-guided-intranodal-lymphangiography-with-ethiodized-oil-to-treat-chylous-ascites
#17
Sho Kitagawa, Wataru Sakai, Takashi Hasegawa
A 70-year-old man presented with abdominal distention and pain. A diagnosis of chylous ascites (CA) was made by abdominal paracentesis. Conservative treatment had failed to control CA; therefore, ultrasound-guided intranodal lymphangiography (UIL) with Lipiodol was performed. No obvious Lipiodol leakage was observed in the follow-up computed tomography; however, the persistent abdominal pain was significantly reduced within a day, and CA was resolved within 3 days. We present successful treatment of CA using UIL with Lipiodol...
August 2016: ACG Case Reports Journal
https://www.readbyqxmd.com/read/27781154/intranodal-signal-suppression-in-pelvic-mr-lymphography-of-prostate-cancer-patients-a-quantitative-comparison-of-ferumoxtran-10-and-ferumoxytol
#18
Oscar A Debats, Ansje S Fortuin, Hanneke J M Meijer, Thomas Hambrock, Geert J S Litjens, Jelle O Barentsz, Henkjan J Huisman
OBJECTIVES: The key to MR lymphography is suppression of T2* MR signal in normal lymph nodes, while retaining high signal in metastatic nodes. Our objective is to quantitatively compare the ability of ferumoxtran-10 and ferumoxytol to suppress the MR signal in normal pelvic lymph nodes. METHODS: In 2010, a set of consecutive patients who underwent intravenous MR Lymphography (MRL) were included. Signal suppression in normal lymph nodes in T2*-weighted images due to uptake of USPIO (Ultra-Small Superparamagnetic Particles of Iron Oxide) was quantified...
2016: PeerJ
https://www.readbyqxmd.com/read/27723619/-dendritic-cell-based-therapeutic-cancer-vaccines
#19
Manglio Rizzo, Laura Alaniz, Guillermo D Mazzolini
In recent years immunotherapy has revolutionized the treatment of patients with advanced cancer. The increased knowledge in the tumor immune-biology has allowed developing rational treatments by manipulation of the immune system with significant clinical impact. This rapid development has significantly changed the prognosis of many tumors without treatment options up to date. Other strategies have explored the use of therapeutic vaccines based on dendritic cells (DC) by inducing antitumor immunity. DC are cells of hematopoietic origin, constitutively expressing molecules capable to present antigens, that are functionally the most potent inducers of the activation and proliferation of antigen specific T lymphocytes...
2016: Medicina
https://www.readbyqxmd.com/read/27700619/translating-nanoparticulate-personalized-cancer-vaccines-into-clinical-applications-case-study-with-rna-lipoplexes-for-the-treatment-of-melanoma
#20
Stephan Grabbe, Heinrich Haas, Mustafa Diken, Lena M Kranz, Peter Langguth, Ugur Sahin
The development of nucleic acid based vaccines against cancer has gained considerable momentum through the advancement of modern sequencing technologies and on novel RNA-based synthetic drug formats, which can be readily adapted following identification of every patient's tumor-specific mutations. Furthermore, affordable and individual 'on demand' production of molecularly optimized vaccines should allow their application in large groups of patients. This has resulted in the therapeutic concept of an active personalized cancer vaccine, which has been brought into clinical testing...
October 2016: Nanomedicine
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