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CT-guided intervention using a patient laser marker system.

Abstract：

:To prove the usefulness of a simple laser marker system (LMS) in target definition as well as examination procedure for CT-guided interventions, 130 cases of diagnostic biopsies and lumbal sympathectomies were compared. In 75 cases LMS and in 55 cases a simple crossgrid was used. Taking advantage of the LMS, the parameters of intervention (cutaneous location, length, and angle) can be planned, exactly demonstrated, and it is possible to check the needle position during the whole procedure. Thus, the number of necessary control scans decreased to 30%, and corrections of needle location were reduced to approximately 30%. Moreover, the average target deviation of the needle decreased below 5 mm in 50% of cases, and the duration of interventional procedure was reduced considerably. It can be concluded that LMSs are recommended in CT-guided interventions for quality assurance, dose reduction, and improvement of handling. It will be especially advantageous in cases of small target volume, oblique needle path, and tilted gantry.

journal_name

Eur Radiol

journal_title

European radiology

authors

Kloeppel R,Weisse T,Deckert F,Wilke W,Pecher S

doi

10.1007/s003300051054

subject

Has Abstract

pub_date

2000-01-01 00:00:00

pages

1010-4

issue

6

eissn

0938-7994

issn

1432-1084

journal_volume

10

pub_type

杂志文章

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