The qMRI Breast Phantom

The QalibreMD Breast Phantom calibrates and quantifies breast MRI scans

qmri breast phantom
qmri breast phantom
qmri breast phantom

Breast MRI is challenging because of the range of breast sizes as well as the inhomogenous mix of fat and fibroglandular tissues, leading to image artifacts. Using a variety of materials that mimic the variety of breast tissues, the QalibreMD Breast Phantom is specifically designed for quantitative breast MRI scans.

Breast Phantom Features

qmri breast phantom
qmri breast phantom

T1 Relaxation Mimic

  • Four layers of alternating fibroglandular and fat mimics with T1 spread (100ms-1900 ms)
  • 12 spheres filled with fibroglandular T1 surrounded by bulk fat mimic
  • 12 spheres filled with fat mimic surrounded by bulk fibroglandular mimic

Diffusion Mimic

  • 12 tubes filled with 0, 10, 25, or 40% aqueous PVP solution to mimic diffusion
  • 4 tubes filled with fat mimic
  • Bulk solution is fibroglandular T1 mimic

Evaluated Quantities

  • B1 and B0 non-uniformity
  • Geometric linearity
  • Gradient amplitude
  • System center frequency drift (short time duration)
  • Resolution (high-contrast detectability and SNR (low-contrast detectability)
  • Accuracy and precision of T1 and T2 measurements
  • Accuracy and precision of the Apparent Diffusion Coefficient (ADC)

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Proudly Developed in Collaboration with

QalibreMD, a subsidiary company of High Precision Devices 
QalibreMD, a subsidiary company of High Precision Devices