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Seite 1 von 45 Ergebnisse
Localized hyperthermia with iron oxide-doped yttrium microparticles: steps toward image-guided thermoradiotherapy in liver cancer.
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OBJECTIVE
To test whether iron oxide (IO)-containing yttrium aluminosilicate (YAS) microparticles (MPs) can generate localized therapeutic hyperthermia (≥ 43°C) when injected intratumorally in an animal model of liver cancer and whether MP distributions could be visualized with magnetic resonance
Yttrium iron garnet for hyperthermia applications: Synthesis, characterization and in-vitro analysis
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Exclusive magnetocaloric properties of orthoferrites offer advantages for their application in the magnetic hyperthermia as well as imaging applications. In the present study, the effect of yttrium concentration on the magnetic characteristics of the iron oxide based nanomaterials was analyzed to
Combination studies of hyperthermia induced by the neodymium: yttrium-aluminum-garnet (Nd:YAG) laser as an adjuvant to photodynamic therapy.
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Photodynamic therapy (PDT) and hyperthermia have been investigated as treatments for several types of tumors. Studies have been done to determine the efficacy of each modality individually and recently in combination with each other. In this study, 630-nm light was delivered by an argon-dye laser
Yttrium-Doped Iron Oxide Nanoparticles for Magnetic Hyperthermia Applications
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Magnetic nanoparticles of Fe3O4 doped by different amounts of Y3+ (0, 0.1, 1, and 10%) ions were designed to obtain maximum heating efficiency in magnetic hyperthermia for cancer treatment. Single-phase formation was evident by X-ray diffraction measurements. An
Application of the holmium yttrium-aluminum-garnet laser for complicated impacted ureteral stones: a preliminary report.
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BACKGROUND
Minimally invasive surgery is a current trend in all kinds of surgical fields. Endoscopic stone manipulation with electrohydraulic lithotripsy (EHL) is the preferred method for treating lower ureteral stones or calculi which cannot be resolved with extracorporeal shock wave lithotripsy
Endobronchial radiation therapy with or without neodymium yttrium aluminum garnet laser resection for managing malignant airway obstruction.
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BACKGROUND
Previous reports have shown low-dose-rate (LDR) afterloading Ir-192 endobronchial radiation therapy (EnBRT) to effectively palliate symptoms in patients with malignant airway obstruction. The authors retrospectively assessed the consequences of LDR EnBRT with or without neodymium yttrium
Investigation on Tc tuned nano particles of magnetic oxides for hyperthermia applications.
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Superparamagnetic as well as fine ferrimagnetic particles such as Fe3O4, have been extensively used in magnetic field induced localized hyperthermia for the treatment of cancer. The magnetic materials with Curie temperature (Tc) between 42 and 50 degrees C, with sufficient biocompatibility are the
Yttrium-90 microspheres: radiation therapy for unresectable liver cancer.
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Hepatocellular carcinoma (HCC) constitutes a difficult health challenge because of its poor prognosis and limited treatment options. Most available therapies are used only for palliation. The use of yttrium-90 microspheres is a new intraarterial therapy consisting of beta-irradiating microspheres
Single-institution experience of radioembolization with yttrium-90 microspheres for unresectable metastatic neuroendocrine liver tumors.
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OBJECTIVE
The aim of this study was to assess the effectiveness of yttrium-90 (90 Y) microspheres for the treatment of unresectable metastatic liver neuroendocrine tumors (NET).
METHODS
From February 2006 to September 2015, 36 patients (19 male and 17 female, age 63.6 ± 9.4 years) who underwent 90 Y
Single-Center Comparison of Overall Survival and Toxicities in Patients with Infiltrative Hepatocellular Carcinoma Treated with Yttrium-90 Radioembolization or Drug-Eluting Embolic Transarterial Chemoembolization.
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OBJECTIVE
To compare overall survival and toxicities after yttrium-90 (90Y) radioembolization and chemoembolization with drug-eluting embolics (DEE) in patients with infiltrative hepatocellular carcinoma (HCC).
METHODS
Retrospective review of 50 patients with infiltrative HCC without main portal
Combination of internal radiation therapy and hyperthermia to treat liver cancer.
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Sixteen patients were treated for liver cancer (primary and metastatic) by a combination of internal radiation therapy with intra-arterial yttrium 90 microspheres and regional hyperthermia with electromagnetic radiation. Four patients have their liver disease apparently controlled; two had a partial
Progressive microvascular injury in liver and colorectal liver metastases following laser induced focal hyperthermia therapy.
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OBJECTIVE
Focal hyperthermia by laser or radiofrequency is currently the preferred method for local ablation of liver tumors. The underlying mechanism of action of focal hyperthermia, in particular the relationship between the microvascular and tissue effect is uncertain and was investigated in a
Recurrent villonodular synovitis of the knee. Successful treatment with yttrium-90.
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A 40-year-old woman with recurrent pigmented villonodular synovitis of the knee was treated with Yttrium-90 radiocolloid. The advantages of Yttrium-90 include effectiveness, low cost, simplicity, and low morbidity. The radiophysical properties of Yttrium-90 that make it a useful therapeutic agent
Subsequent chemotherapy regimens are well tolerated after radioimmunotherapy with yttrium-90 ibritumomab tiuxetan for non-Hodgkin's lymphoma.
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OBJECTIVE
Yttrium-90 (90Y) ibritumomab tiuxetan (Zevalin; IDEC Pharmaceutical, San Diego, CA) is an effective therapy for patients with relapsed B-cell non-Hodgkin's lymphoma. The predominant toxicity of 90Y ibritumomab tiuxetan has been myelosuppression, and concern has been expressed about the
Yttrium-90 radioembolization for the treatment of chemorefractory colorectal liver metastases: Technical results, clinical outcome and factors potentially influencing survival.
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BACKGROUND
The purpose of this study was to retrospectively assess the technical and clinical outcomes, overall survival and prognostic factors for prolonged survival after yttrium-90 ((90)Y) radioembolization as a salvage therapy for patients with chemorefractory liver-only or liver-dominant
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