PubMed Journals Articles About "Amphinex TPCS2a Bleomycin Illumination With CeramOptec Laser Head" RSS

07:30 EDT 17th August 2018 | BioPortfolio

Amphinex TPCS2a Bleomycin Illumination With CeramOptec Laser Head PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Amphinex TPCS2a Bleomycin Illumination With CeramOptec Laser Head articles that have been published worldwide.

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Showing "Amphinex TPCS2a Bleomycin Illumination with CeramOptec laser Head" PubMed Articles 1–25 of 4,400+

Lymphangioma circumscriptum treated with combination of Bleomycin sclerotherapy and Radiofrequency ablation.

Lymphangioma circumscriptum (LC) is a lymphatic malformation presenting with vesiculo-papules or warty lesions, resembling a "frog-spawn". Many treatment modalities have been described but random excision is still often needed. Bleomycin is a safe sclerosant with specific action on the vascular endothelial cells. It has been used extensively in cystic hygromas but its use in LC of the skin has not been documented previously. We present this case with extensive LC of the flank treated with a combination of i...

A new three-dimensional nonscanning laser imaging system based on the illumination pattern of a point-light-source array.

One of the most important goals of research on three-dimensional nonscanning laser imaging systems is the improvement of the illumination system. In this paper, a new three-dimensional nonscanning laser imaging system based on the illumination pattern of a point-light-source array is proposed. This array is obtained using a fiber array connected to a laser array with each unit laser having independent control circuits. This system uses a point-to-point imaging process, which is realized using the exact corr...

Electrochemotherapy with cisplatin or bleomycin in head and neck squamous cell carcinoma: Improved effectiveness of cisplatin in HPV-positive tumors.

Human papillomavirus (HPV) is an important etiological factor in head and neck squamous cell carcinomas (SCCs). Standard treatment of HPV-positive tumors with platinum-based radio(chemo)therapy results in a better outcome than in HPV-negative tumors. Electrochemotherapy is becoming an increasingly recognized mode of treatment in different cancers; thus, its use in the management of head and neck SCC is of considerable interest. However, response to electrochemotherapy according to HPV status of the tumors h...

On the role of interference in laser-based mid-infrared widefield microspectroscopy.

A laser's high degree of coherence leads to interferences, which - in the absence of precautions - can cause severe image distortions such as fringes and speckles and which thereby strongly hamper a meaningful interpretation of hyperspectral images in laser-based widefield microspectroscopy. While images and spectra of homogenous samples may already suffer from interferences, any structured object such as a tissue thin section will add to these distortions due to wavelength- and, in particular, sample-depen...

Combined Nd:YAG laser and bleomycin sclerotherapy under the same anesthesia for cervicofacial venous malformations: A safe and effective treatment option.

Extensive cervicofacial venous malformations (VM) pose significant challenges to a patient's quality of life (altered breathing, dysphagia, dysarthria). Treatment options include: 1) Surgical debulking; 2) Sclerotherapy; 3) laser therapy; or 4) Combined modalities. Recent studies have demonstrated the importance of multimodality and multidisciplinary management of these patients. However, no studies have described combined single anesthetic laser and sclerotherapy treatment. We sought to demonstrate the saf...

Ultrafast smoothing scheme for improving illumination uniformities of laser quads.

The beam smoothing technology, smoothing by spectral dispersion, plays an important role in improving the illumination uniformities of the lasers in inertial confinement fusion facilities. However, due to the limitations of the modulation frequency of the electro-optic modulator, the uniformity of the lasers approaches an asymptotic value after tens of picoseconds that are much longer than the response time of laser plasma instabilities. To the best of our knowledge, this is the first time that an ultrafast...

A Novel Color Modulation Analysis Strategy through Tunable Multiband Laser for Nanoparticle Identification and Evaluation.

Creating color difference and improving the color resolution in digital imaging is crucial for better application of color analy-sis. Herein, a novel color modulation analysis strategy was developed by using a homemade tunable multiband laser illumi-nation device, in which the portions of R, G, and B components of the illumination light are discretionarily adjustable, and hence the sample color could be visually modulated continuously in the RGB color space. Through this strategy, the color appearance of si...

Use of percutaneous bleomycin sclerotherapy for orbital lymphatic malformations.

Bleomycin sclerotherapy has been shown to be a viable treatment for lymphatic malformations. However, its use for these lesions confined to the orbit is becoming increasingly documented in the literature. In this study, we summarize the clinical manifestations and outcomes observed following percutaneous bleomycin sclerotherapy for orbital lymphatic malformation.

Utility of Optical Coherence Tomography for Guiding Laser Therapy Among Patients With Recurrent Respiratory Papillomatosis.

Recurrent respiratory papillomatosis (RRP) is a viral-induced disease caused by human papillomavirus and the second leading cause of dysphonia in children; however, neither a cure nor a definitive surgical treatment is currently available for RRP. Although laser therapy is often used in the treatment of RRP, the lack of real-time laser-tissue interaction feedback undermines the ability of physicians to provide treatments with low morbidity. Therefore, an intraoperative tool to monitor and control laser trea...

All-fiber laser with flattop beam output using a few-mode fiber Bragg grating.

We report a novel method of beam shaping in an all-fiber laser. Flattop beams are first generated from the all-fiber laser using a few-mode fiber Bragg grating by superposing the fundamental mode (LP) with a solid central beam distribution, and the second-order mode (LP) gives rise to a donut-shape beam distribution. Two modes are obtained in the fiber laser simultaneously, and the wavelengths of the two modes are 1053.7 nm and 1055.4 nm, respectively. An experiment has been carried out, and a high-qualit...

Laser-assisted atom probe tomography of semiconductors: The impact of the focused-ion beam specimen preparation.

This paper demonstrates the increased light absorption efficiency of semiconducting atom probe tips resulting from focused-ion-beam (FIB) preparation. We use transmission electron microscopy to show that semiconducting tips prepared with FIB are surrounded with an amorphized shell. Photomodulated optical reflectance measurements then provide evidence that FIB-induced damage leads to an increase in both sub- and supra-bandgap light absorption efficiency. Using laser-assisted atom probe tomography (La-APT) me...

Intraoperative Fluorescence Cerebral Angiography by Laser Surgical Microscopy: Comparison With Xenon Microscopy and Simultaneous Observation of Cerebral Blood Flow and Surrounding Structures.

Laser surgical microscopes should enable uniform illumination of the operative field, and require less luminous energy compared with existing xenon surgical microscopes.

Intralesional Bleomycin Injection for Propranolol-Resistant Hemangiomas.

Propranolol has been the first-line treatment for alarming hemangiomas. However, some hemangiomas are propranolol-resistant. The authors reported 1 propranolol-resistant hemangioma which was treated with intralesional bleomycin injections. Sixteen months after 3 injections, the lesion still remained stable. Its potential mechanism was clarified by ultrasonic monitoring. Intralesional bleomycin injection can be considered an ideal option in treating propranolol-resistant hemangiomas.

Temperature Rise under Two-Photon Optogenetic Brain Stimulation.

In recent decades, optogenetics has been transforming neuroscience research, enabling neuroscientists to drive and read neural circuits. The recent development in illumination approaches combined with two-photon (2P) excitation, either sequential or parallel, has opened the route for brain circuit manipulation with single-cell resolution and millisecond temporal precision. Yet, the high excitation power required for multi-target photostimulation, especially under 2P illumination, raises questions about the ...

Hot topics from the Assemblies.

Tissue-resident alveolar macrophages (TR-AM) are depleted from the lung during the early stages of bleomycin-induced lung injury and fibrosis. The recovery of the population of macrophages after bleomycin could be completely attributable to the recruitment and differentiation of monocyte-derived alveolar macrophages (Mo-AM). The authors used multiple lineage-trace mouse models where they selectively depleted TR-AM or Mo-AM and induced fibrosis with bleomycin. Deletion of TR-AM had no effect on the severity ...

Inhibition of mTOR ameliorated bleomycin-induced pulmonary fibrosis by regulating epithelial-mesenchymal transition.

Epithelial-mesenchymal transition (EMT) plays a pivotal role in idiopathic pulmonary fibrosis (IPF). In bleomycin-induced pulmonary fibrosis mice, we observed that inhibition of mTOR (mammalia target of rapamycin) attenuated IPF. Rapamycin suppressed the down-regulation of E-cadherin and up-regulation of fibronectin in bleomycin-induced pulmonary fibrosis mice. In addition, dual immunofluorescence staining for E-cadherin and fibronectin demonstrated that rapamycin pretreatment decreased the proportions of A...

Nature and role of surgical margins in transoral laser microsurgery for early and intermediate glottic cancer.

Summarize recent findings regarding the impact of margin status on oncologic outcomes and organ preservation, as well as evaluate possible management policies of close and positive margins after transoral laser microsurgery (TLM) for Tis-T2 glottic carcinomas.

Vascularization of the Tumours Affects the Pharmacokinetics of Bleomycin and the Effectiveness of Electrochemotherapy.

Pre-clinical and clinical data indicate differences in the responses of melanoma and carcinoma tumours to electrochemotherapy. The purpose of this study was to investigate the origin of this difference, whether it is due to the intrinsic difference in tumour cell susceptibility to the chemotherapeutic, or due to the tumour microenvironment. For this purpose, we performed a pre-clinical study in B16F1 melanoma and TS/A carcinoma tumours in mice, in which the anti-tumour effectiveness of electrochemotherapy w...

Myocardial infarction in a young patient with seminoma during chemotherapy with cisplatinum, etoposide, and bleomycin.

 More than 90 % of all patients with testicular germ cell tumours can be cured effectively. The mainstay of treatment is chemotherapy with cisplatin, etoposide and bleomycin (PEB). This regimen is usually well tolerated and does not lead to serious adverse events. Cardiovascular complications are encountered very rarely, but have gained increasing attention in recent years.

On-Demand Generation of Neutral and Negatively Charged Silicon-Vacancy Centers in Diamond.

Point defects in wide-band-gap semiconductors are emerging as versatile resources for nanoscale sensing and quantum information science, but our understanding of the photoionization dynamics is presently incomplete. Here, we use two-color confocal microscopy to investigate the dynamics of charge in type 1b diamond hosting nitrogen-vacancy (NV) and silicon-vacancy (SiV) centers. By examining the nonlocal fluorescence patterns emerging from local laser excitation, we show that, in the simultaneous presence of...

The Impact of Intraocular Pressure Elevation on Optic Nerve Head and Choroidal Blood Flow.

To use laser speckle flowgraphy (LSFG) to assess blood flow (BF) in the optic nerve head (ONH) tissue and choroid during elevated intraocular pressure (IOP).

Simulation of KTP Laser-Based Zenker Diverticulotomy with a Porcine Model and Laryngeal Dissection Station.

Zenker's diverticulum is a rare cause of progressive dysphagia that is treated surgically. KTP laser-based diverticulotomy is one effective treatment. Developing a simulation model is helpful for rare conditions. Pigs have a natural hypopharyngeal pouch similar to a diverticulum. We present a model for performing rigid endoscopic KTP laser diverticulotomy in a porcine model using a laryngeal dissection station. Eleven pigs were examined to confirm presence of the hypopharyngeal pouch. A specimen was mounted...

Modular Nanotransporter with P21 Fragment Inhibits DNA Repair after Bleomycin Treatment.

Modular nanotransporter (MNT) with C-terminal fragment of the p21 protein was synthesized and characterized, and its effect on DNA lesions was studied. This p21 fragment in MNT can significantly inhibit DNA repair in A431 human carcinoma cells after bleomycin treatment.

Dihydroartemisinin alleviates oxidative stress in bleomycin-induced pulmonary fibrosis.

Dihydroartemisinin has been shown to inhibit the development of pulmonary fibrosis in rats, but its mechanism has yet to be elucidated. This study aimed to determine the mechanisms of dihydroartemisinin in bleomycin-induced pulmonary fibrosis in a rat model.

Therapeutic effect and mechanism of carboxyamidotriazole on the pulmonary fibrosis of mice induced by bleomycin.

To investigate the treatment effect of carboxyamidotriazole (CAI) on bleomycin induced lung fibrosis in mice, and the potential mechanism involved.A total of 45 mice were divided into three groups randomly. Blank control group (blank group): after a one-time tail vein injection of saline solution 0.2 ml, mice were given polyethylene glycol 400 (PEG-400) 0.1 ml/10 g by gavage once daily for 14 days; the bleomycin group (BLM group): after a one-time tail vein injection of bleomycin 150 mg/kg, mice were given ...

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