Breast CT QA Phantom

3D-Image-QA phantom for dedicated Breast-CT and other 3D-Volumetric X-ray imaging modalities

Suitable for image quality check-ups and constancy testing of Breast CT and other Cone-Beam CT Systems
Determination of spatial resolution in any direction (3D-MTF)
4 different targets (air, -3% contrast, +3% contrast and bone)

The main body of the phantom consists of water-equivalent material and contains three sections for the evaluation of the contrast-to-noise ratio (CNR), spatial resolution (3D MTF), uniformity, geometric accuracy and image noise. The first section includes 4 different targets suitable for accurate contrast to noise ratio (CNR) evaluation. The homogenous second section allows to validate the uniformity and noise performance of the imaging system. The third section accommodates a 12 mm PTFE sphere placed centrally to perform a MTF in three dimensions.

Breast CT QA Phantom, QRM-10136

Technical Specifications

Phantom diameter:	140 mm
Phantom height:	180 mm
Body:	CTwater (water-equivalent material)

A dedicated evaluation software is currently not available.

Inserts (length 17.5 mm):
Section 1:	4 inserts with Ø 13 mm, height 25 mm
Section 2:	Blank, water equivalent for noise, uniformity
Section 3:	Sphere for 3D-MTF, PTFE, Ø 12 mm

Image Gallery

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Breast CT QA Phantom, QRM-10136

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Axial X-Rays of Breast CT QA Phantom, QRM-10136 sections

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Drawings of Breast CT QA Phantom, QRM-10136

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Breast CT QA Phantom ( )

Catalog

QRM Phantoms Code of Practice ( )