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Radiology Database Open this link in a new window Magnetic Resonance Imaging Database Open this link in a new window
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Portals - Image Libraries - Used and Refurbished UltraSound Equipment - 3d UltraSound - Preferential Sites - UltraSound Physics
 
3D UltrasoundInfoSheet: - Modes - 
Intro, 
Basic Modes, 
Doppler Modes, 
Contrast ModesMRI Resource Directory:
 - 3d UltraSound -
 
In 3D ultrasound (US) several 2D images are acquired by moving the probe across the body surface or rotating inserted probes. 3D-mode uses the same basic concept of a 2D ultrasound but rather than take the image from a single angle, the sonographer takes a volume image. The volume image that is displayed on the screen is a software rendering of all of the detected soft-tissue combined by specialized computer software to form three-dimensional images.
The 3D volume rendering technique (VR) does not rely on segmentation (segmentation techniques are difficult to apply to ultrasound pictures) and makes it possible to obtain clear 3D ultrasound images for clinical diagnosis. A 3D ultrasound produces a still image. Diagnostic US systems with 3D display functions and linear array probes are mainly used for obstetric and abdominal applications. The combination of contrast agents, harmonic imaging and power Doppler greatly improves 3D US reconstructions.

3D imaging shows a better look at the organ being examined and is used for:
list_point Detection of abnormal fetus development, e.g. of the face and limbs.
list_point Visualization of e.g. the colon and rectum.
list_point Detection of cancerous and benign tumors, e.g. tumors of the prostate gland, and breast lesions.
list_point Pictures of blood flow in various organs or a fetus.
Fusion 3D imaging methods for generating compound images from two sets of ultrasound images (B-mode and Doppler images) enable the observation of the structural relationships between lesions and their associated blood vessels in three dimensions (maximum intensity projection).
Radiology-tip.comVirtual Colonoscopy
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Radiology-tip.comVolumetric Imaging
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• View the NEWS results for '3D Ultrasound' (2).Open this link in a new window.

• View the DATABASE results for '3D Ultrasound' (14).Open this link in a new window.

 Further Reading:
  Basics:
Medical Physics: Ultrasound - extended reading exerciseOpen this link in a new window
   by www.cyberphysics.pwp.blueyonder.co.uk    
  News & More:
Ultrasound: Weighing the Propaganda Against the FactsOpen this link in a new window
   by www.midwiferytoday.com    
New technology makes 3-D imaging quicker, easierOpen this link in a new window
Sunday, 17 February 2008   by www.eurekalert.org    
US Resources  
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