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Sono elastography meeting pavia 2011 may 29-30 - presentation of dr. masciotra
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Sono elastography meeting pavia 2011 may 29-30 - presentation of dr. masciotra

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This presentation was held by dr. Antonio Pio Masciotra in 2011 at Pavia's Elastography Meeting in the round table

This presentation was held by dr. Antonio Pio Masciotra in 2011 at Pavia's Elastography Meeting in the round table

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Transcript

  • 1. Thyroid round tableDr. Antonio Pio Masciotra Campobasso
  • 2. THE HISTORY OF SONO-ELASTOGRAPHY
  • 3. Strain Shear wave
  • 4. STRAIN with different compressionsInhomogeneous elasticity Uniform low elasticity
  • 5. SHEAR WAVENormal gland 8.29 kPa Normal gland 1.66 m/secNodule 8.46 kPa Nodule 1.68 m/sec
  • 6. Strain Shear wave
  • 7. Soft or Hard ? STRAIN SHEAR WAVEMainly ‘soft’ thyroid nodule Mainly ‘hard’ thyroid nodule
  • 8. Hard or Soft?Shear wave Shear wave kPa 65.87 3.69 m/sec
  • 9. Are our measurements really indicative of tissue elasticity values?QA sono-elasticitography phantom
  • 10. We need to have standards of unity measures BACKGROUND ELASTICITY• Material : Zerdine® • Background: 25 kPa• Speed of sound : 1545 m/s 10 m/s • Lesion Type I: 08 kPa• Attenuation Coefficient : 0.50 dB/cm-MHz • Lesion Type II: 14 kPa • Lesion Type III: 45 kPa LESIONI • Lesion Type IV: 80 kPa• Material : Zerdine®• Attenuation Coefficient : 0.50 dB/cm-MHz
  • 11. Different reference values in quantification and staging of hepatic fibrosis
  • 12. Aims of elastographyCorrect tissue elasticity quantificationIdentification of ‘cut off’ elasticity values for correct diagnosis of diffuse and focal diseases
  • 13. SO WE NEED TO HAVE STANDARDS BOTH IN TECHNIQUES OFACQUISITION AND IN THE MEASUREMENTS
  • 14. Thanks to my Technicians Mr. Nicolino Spina and Mrs. Carmela Leccese By Dr. Antonio Pio Masciotra Campobasso-Molise- Italy To ZAPRAD

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