Alexandra Hellerbach

Kerpener St. 62
Koeln, NW 50937, Germany

Last Updated: 09/26/2026

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Found 18 publications

Automatic Detection of Directional Lead Orientation in Deep Brain Stimulation using Photon-Counting Detector Computed Tomography: A Phantom Study.

Automatic Detection of Directional Lead Orientation in Deep Brain Stimulation using Photon-Counting Detector Computed Tomography: A Phantom Study.

Journal: Stereotactic and functional neurosurgery

Published: June 28, 2024

General Algorithm Applicability in Determining DBS Lead Orientation: Adapting 2D and 3D X-Ray Techniques for SenSightTM Leads.

General Algorithm Applicability in Determining DBS Lead Orientation: Adapting 2D and 3D X-Ray Techniques for SenSightTM Leads.

Journal: Stereotactic and functional neurosurgery

Published: October 05, 2023

Pseudoprogression of Vestibular Schwannoma after Stereotactic Radiosurgery with Cyberknife®: Proposal for New Response Criteria.

Pseudoprogression of Vestibular Schwannoma after Stereotactic Radiosurgery with Cyberknife®: Proposal for New Response Criteria.

Journal: Cancers

Published: February 01, 2023

Use of dose-area product to assess plan quality in robotic radiosurgery.

Use of dose-area product to assess plan quality in robotic radiosurgery.

Journal: Zeitschrift fur medizinische Physik

Published: October 10, 2022

DiODe v2: Unambiguous and Fully-Automated Detection of Directional DBS Lead Orientation.

DiODe v2: Unambiguous and Fully-Automated Detection of Directional DBS Lead Orientation.

Journal: Brain sciences

Published: October 09, 2021

Impact of prescription isodose level and collimator selection on dose homogeneity and plan quality in robotic radiosurgery.

Impact of prescription isodose level and collimator selection on dose homogeneity and plan quality in robotic radiosurgery.

Journal: Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al]

Published: April 08, 2021

Frame-based stereotactic biopsy of deep-seated and midline structures in 511 procedures: feasibility, risk profile, and diagnostic yield.

Frame-based stereotactic biopsy of deep-seated and midline structures in 511 procedures: feasibility, risk profile, and diagnostic yield.

Journal: Acta neurochirurgica

Published: April 06, 2019

Directional DBS leads show large deviations from their intended implantation orientation.

Directional DBS leads show large deviations from their intended implantation orientation.

Journal: Parkinsonism & related disorders

Published: December 01, 2018

DiODe: Directional Orientation Detection of Segmented Deep Brain Stimulation Leads: A Sequential Algorithm Based on CT Imaging.

DiODe: Directional Orientation Detection of Segmented Deep Brain Stimulation Leads: A Sequential Algorithm Based on CT Imaging.

Journal: Stereotactic and functional neurosurgery

Published: May 17, 2018

Reduction of Artifacts Caused by Deep Brain Stimulating Electrodes in Cranial Computed Tomography Imaging by Means of Virtual Monoenergetic Images, Metal Artifact Reduction Algorithms, and Their Combination.

Reduction of Artifacts Caused by Deep Brain Stimulating Electrodes in Cranial Computed Tomography Imaging by Means of Virtual Monoenergetic Images, Metal Artifact Reduction Algorithms, and Their Combination.

Journal: Investigative radiology

Published: March 16, 2018

Acoustic Neuroma Treated with Stereotactic Radiosurgery: Follow-up of 335 Patients.

Acoustic Neuroma Treated with Stereotactic Radiosurgery: Follow-up of 335 Patients.

Journal: World neurosurgery

Published: February 08, 2018

Regarding "Determining the Orientation of Directional Deep Brain Stimulation Electrodes Using 3D Rotational Fluoroscopy".

Regarding "Determining the Orientation of Directional Deep Brain Stimulation Electrodes Using 3D Rotational Fluoroscopy".

Journal: AJNR. American journal of neuroradiology

Published: August 30, 2017

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Last Updated: 09/26/2026