The British Journal of Radiology, Vol 70, Issue 830 192-194, Copyright © 1997 by British Institute of Radiology

ARTICLES

Training phantom for ultrasound guided biopsy

RA Nicholson and M Crofton
Department of Radiology, St Marys Hospital, London, UK.

Commercial phantoms designed for radiologists to practise the skills needed to biopsy lesions under ultrasound guidance can be prohibitively costly, and do not have an indefinite shelf-life. A gelatin-based in-house model has been developed to recreate the conditions found in human tissues, using materials which are cheap and in everyday use. This phantom remains useful for several weeks, although tears produced by the biopsy needle take progressively longer to bond when the reconstructed gelatin is older than a month. However, new phantoms can be built quickly and easily using fresh gelatin while recycling other components.

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