Service interruption on Monday 11 July from 12:30 to 13:00: all the sites of the CCSD (HAL, Epiciences, SciencesConf, AureHAL) will be inaccessible (network hardware connection).
Skip to Main content Skip to Navigation
Journal articles

Trans-cranial focused ultrasound without hair shaving: feasibility study in an ex vivo cadaver model

Matthew Eames 1 Arik Hananel 1, 2, * John Snell 1, 3 Neal Kassell 1, 3 Jean-Francois Aubry 2, 4 
* Corresponding author
4 Physique des ondes pour la médecine
ESPCI Paris - Ecole Superieure de Physique et de Chimie Industrielles de la Ville de Paris, INSERM - Institut National de la Santé et de la Recherche Médicale : U979, CNRS - Centre National de la Recherche Scientifique : UMR7587
Abstract : In preparing a patient for a trans-cranial magnetic resonance (MR)-guided focused ultrasound procedure, current practice is to shave the patient's head on treatment day. Here we present an initial attempt to evaluate the feasibility of trans-cranial focused ultrasound in an unshaved, ex vivo human head model. A human skull filled with tissue-mimicking phantom and covered with a wig made of human hair was sonicated using 220- and 710-kHz head transducers to evaluate the feasibility of acoustic energy transfer. Heating at the focal point was measured by MR proton resonance shift thermometry. Results showed that the hair had a negligible effect on focal spot thermal rise at 220 kHz and a 17% drop in temperature elevation when using 710 kHz.
Document type :
Journal articles
Complete list of metadata

Cited literature [33 references]  Display  Hide  Download
Contributor : Ed. BMC Connect in order to contact the contributor
Submitted on : Thursday, January 2, 2014 - 5:07:19 PM
Last modification on : Monday, June 27, 2022 - 3:44:45 AM
Long-term archiving on: : Saturday, April 8, 2017 - 10:20:18 AM


Publisher files allowed on an open archive


  • HAL Id : inserm-00923402, version 1



Matthew Eames, Arik Hananel, John Snell, Neal Kassell, Jean-Francois Aubry. Trans-cranial focused ultrasound without hair shaving: feasibility study in an ex vivo cadaver model. Journal of Therapeutic Ultrasound, BioMed Central, 2013, 1 (1), pp.24. ⟨inserm-00923402⟩



Record views


Files downloads