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Showing 1 to 12 of 74 entries
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SU-D-211-03: An Automated Inverse Planning Optimization Approach for Single- Fraction and Fractionated Radiosurgery Using Gamma Knife Perfexion.

Medical physics

Ghobadi K, Ghaffari H, Aleman D, Ruschin M, Jaffray D.
PMID: 28517428
Med Phys. 2012 Jun;39(6):3610. doi: 10.1118/1.4734657.

PURPOSE: The purpose of this work is to develop an automated inverse planning approach to generate singe-fraction and fractionated stereotactic radiosurgery (SRS) treatment plans for Gamma Knife Perfexion.METHODS: Our automated approach consists of two steps: 1) a grassfire-based algorithm...

Frequency-dependent graded reflectivity mirror: characterization and laser implementation.

Applied optics

Keselbrener M, Ruschin S.
PMID: 18324158
Appl Opt. 1999 Oct 20;38(30):6317-24. doi: 10.1364/ao.38.006317.

We present a theoretical and experimental investigation of a new family of variable reflectivity mirrors, based on frustrated total internal reflection and interference effects. These mirrors are sensitive to frequency in the sense that their transverse reflectivity distribution changes...

Effects of mirror jitter and loss modulation in Q-switched lasers: a state-space analysis.

Applied optics

Kronik L, Khermosh G, Cohen M, Ruschin S.
PMID: 20862023
Appl Opt. 1994 Jan 20;33(3):344-51. doi: 10.1364/AO.33.000344.

The effect of mirror instability and jitter in Q-switched lasers is investigated. Pulse shapes and timing are significantly disturbed by these effects. A simple model is presented based on a state-space approach. Several types of pulses are obtained, which...

Experimental observation and investigation of energy exchange between an electron beam and counterpropagating laser beams in a Compton-scattering free-electron-laser scheme.

Physical review. A, General physics

Friedman A, Gover A, Kleinman H, Olshan RZ, Ruschin S.
PMID: 9900241
Phys Rev A Gen Phys. 1988 Nov 15;38(10):5206-5216. doi: 10.1103/physreva.38.5206.

No abstract available.

Anaphylaxis to Drugs, Biological Agents, and Vaccines.

Immunology and allergy clinics of North America

Shah RH, Kuder MM, Lang DM.
PMID: 34823742
Immunol Allergy Clin North Am. 2022 Feb;42(1):121-144. doi: 10.1016/j.iac.2021.10.001.

Anaphylaxis is a multi-system syndrome resulting from the release of mediators from mast cells and basophils. Drugs are common causes. Anaphylaxis to certain drugs, vaccines, and biological agents present clinical challenges, and merit referral to a board-certified allergist/immunologist for...

Predictive factors associated with radiation dermatitis in breast cancer.

Cancer treatment and research communications

Behroozian T, Milton L, Li N, Zhang L, Lou J, Karam I, Wronski M, McKenzie E, Mawdsley G, Razvi Y, Chow E, Ruschin M.
PMID: 34082363
Cancer Treat Res Commun. 2021;28:100403. doi: 10.1016/j.ctarc.2021.100403. Epub 2021 May 26.

PURPOSE: Radiation dermatitis (RD) is a side effect that frequently arises during radiotherapy (RT) in breast cancer patients. The present study investigates possible predictive factors of RD, as well as the use of skin treatments to manage symptoms.METHODS: Demographic...

Mapping the human lateral geniculate nucleus and its cytoarchitectonic subdivisions using quantitative MRI.

NeuroImage

Müller-Axt C, Eichner C, Rusch H, Kauffmann L, Bazin PL, Anwander A, Morawski M, von Kriegstein K.
PMID: 34562697
Neuroimage. 2021 Dec 01;244:118559. doi: 10.1016/j.neuroimage.2021.118559. Epub 2021 Sep 22.

The human lateral geniculate nucleus (LGN) of the visual thalamus is a key subcortical processing site for visual information analysis. Due to its small size and deep location within the brain, a non-invasive characterization of the LGN and its...

Finding the best clearing approach - Towards 3D wide-scale multimodal imaging of aged human brain tissue.

NeuroImage

Rusch H, Brammerloh M, Stieler J, Sonntag M, Mohammadi S, Weiskopf N, Arendt T, Kirilina E, Morawski M.
PMID: 34929383
Neuroimage. 2021 Dec 17;247:118832. doi: 10.1016/j.neuroimage.2021.118832. Epub 2021 Dec 17.

The accessibility of new wide-scale multimodal imaging techniques led to numerous clearing techniques emerging over the last decade. However, clearing mesoscopic-sized blocks of aged human brain tissue remains an extremely challenging task. Homogenizing refractive indices and reducing light absorption...

Hypofractionated Stereotactic Radiation Therapy for Intact Brain Metastases in 5 Daily Fractions: Effect of Dose on Treatment Response.

International journal of radiation oncology, biology, physics

Myrehaug S, Hudson J, Soliman H, Ruschin M, Tseng CL, Detsky J, Husain Z, Keith J, Atenafu EG, Maralani P, Heyn C, Das S, Lipsman N, Sahgal A.
PMID: 34537313
Int J Radiat Oncol Biol Phys. 2021 Sep 17; doi: 10.1016/j.ijrobp.2021.09.003. Epub 2021 Sep 17.

PURPOSE: Multileaf collimator (MLC) linear accelerator (Linac)-based hypofractionated stereotactic radiation therapy (HSRT) is increasingly used not only for large brain metastases or those adjacent to critical structures but also for those metastases that would otherwise be considered for single-fraction...

Symptom Burden Associated With Radiation Dermatitis in Breast Cancer Patients Undergoing Radiotherapy.

Clinical breast cancer

Milton L, Behroozian T, Li N, Zhang L, Lou J, Karam I, Wronski M, McKenzie E, Mawdsley G, Razvi Y, Chow E, Ruschin M.
PMID: 34810145
Clin Breast Cancer. 2021 Oct 13; doi: 10.1016/j.clbc.2021.10.005. Epub 2021 Oct 13.

PURPOSE: Radiation dermatitis (RD) is a side effect experienced by many patients undergoing radiotherapy (RT) for breast cancer. In the present study, the Edmonton Symptom Assessment System (ESAS), a validated patient-reported symptom screening tool, was used to determine the...

Towards a representative reference for MRI-based human axon radius assessment using light microscopy.

NeuroImage

Mordhorst L, Morozova M, Papazoglou S, Fricke B, Oeschger JM, Tabarin T, Rusch H, Jäger C, Geyer S, Weiskopf N, Morawski M, Mohammadi S.
PMID: 35032659
Neuroimage. 2022 Jan 12;118906. doi: 10.1016/j.neuroimage.2022.118906. Epub 2022 Jan 12.

Non-invasive assessment of axon radii via MRI bears great potential for clinical and neuroscience research as it is a main determinant of the neuronal conduction velocity. However, there is a lack of representative histological reference data at the scale...

Technical Principles of Dual-Energy Cone Beam Computed Tomography and Clinical Applications for Radiation Therapy.

Advances in radiation oncology

Sajja S, Lee Y, Eriksson M, Nordström H, Sahgal A, Hashemi M, Mainprize JG, Ruschin M.
PMID: 32051885
Adv Radiat Oncol. 2019 Jul 30;5(1):1-16. doi: 10.1016/j.adro.2019.07.013. eCollection 2020.

PURPOSE: Medical imaging is an indispensable tool in radiotherapy for dose planning, image guidance and treatment monitoring. Cone beam CT (CBCT) is a low dose imaging technique with high spatial resolution capability as a direct by-product of using flat-panel...

Showing 1 to 12 of 74 entries