Re: Skin Dose Monitor

[Chris Alston <alstonc@odrge.odr.georgetown.edu>]

>Date-warning: Date header was inserted by nemesis.sim.ucm.es
>X-Sender: Eliseo@eucmax.sim.ucm.es
>Date:         Wed, 7 Jan 1998 09:04:56 +0200
>Reply-To: Medical Physics Mailing List <MEDPHYS@LISTS.WAYNE.EDU>
>Sender: Medical Physics Listserver <medphys@lists.wayne.edu>
>From: "Prof. Eliseo VANO" <eliseo@EUCMAX.SIM.UCM.ES>
>Subject:      Re: Skin Dose Monitor
>To: Multiple recipients of list MEDPHYS <MEDPHYS@LISTS.WAYNE.EDU>
>
>
>         ** Mail from Medphys Listserver **
>If you reply to this message, it will be posted on Medphys for all the
>subscribers to review ...
>
>
>We have used Kodak 33x41 cm, X-Omat V film, for skin dose evaluations during
>Interventional and Vascular procedures. Some previous results have been
>published in the British Journal of Radiology. Here is the full reference
>and the paper abstract:
>
>Vano, E.; Guibelalde, E.; Fernandez, J.M.; Gonzalez, L. and Ten, J.I.
>Patient dosimetry in interventional radiology using slow film systems.
>British Journal of Radiology, 70, 195-200 (1997).
>
>Abstract
>
>        A method for the integral evaluation of patient doses in Interventional
>Radiology procedures is presented and discussed. The method requires the
>analysis of slow non-screen films such as those usually in use in
>Radiotherapy. Dose-area product and patient skin dose can be estimated with
>fair accuracy (i.e., the agreement between the slow film method and
>diamentor measurement is better than 5% after the application of appropriate
>corrections), depending on the interventional procedure type. The cost is
>reasonable (£5 per film) as to be considered a worthwhile option in patient
>dosimetry, especially when the X-ray equipment does not include any fixed
>dose-area measuring device. Additional valuable information to be applied in
>optimization procedures (irradiated areas, number and types of projections,
>check of appropriate use of beam limiting devices, and so on) is achieved by
>examining the film images related to the different irradiation fields.   
>
>Best regards. 
>
>*********************************************************
>E. VANO, Ph.D.
>Professor of Medical Physics
>Department of Radiology
>Complutense University of Madrid
>28040 Madrid - SPAIN
>
>E-mail: eliseo@eucmax.sim.ucm.es
>Tel.   : +34-1-3941551
>Fax   : +34-1-3941675
>*********************************************************
>
>At 14:46 6/01/98 -0500, you wrote:
>>
>>         ** Mail from Medphys Listserver **
>>If you reply to this message, it will be posted on Medphys for all the
>>subscribers to review ...
>>
>>
>>     Colleagues -
>>
>>     We are contemplating routine skin dose measurements for patients
>>     undergoing certain cardiovascular procedures.  Does anyone have
>>     experience to share with the use of the McMahon Skin Dose Monitor
>>     system? It uses a 1 mm scintillation detector coupled by fiber optics
>>     to a reader/display unit.
>>
>>     ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>
>>     William J. Potvin, Ph.D.
>>     Senior Medical Physicist
>>     Flower Hospital
>>     Sylvania, Ohio
>>
>>     Voice:  419-824-1212
>>     FAX:    419-824-1752
>>     E-mail: William.Potvin@promedica.org
>>
>>
>