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CR vs. DR, or Grid vs. Non-Grid (and/or Technical Factors)?
I would argue that most of the differences noted in these images are primarily due to the absence vs. presence of a Grid/Bucky (and to gross overexposure on the CXR?), rather than being due to any advantage of DR over CR, unless the former is a newer unit with improved detail, etc., compared to the latter. I would also note that CR might be less likely to have mattress/other artififacts--or foreign objects--present. Finally--although this is a minor point--I believe the correct spelling for the word used in the discussion of the CR CXR to indicate "non-moving" should be stationary, not stationery (the latter representing, for example, the paper upon which we might write letters).
Posted:
Apr 17 2012, 2:13 PM EDT by tnxrayman
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CR vs DR Image Quality
Introduction Computed radiography (CR) provided the world of radiography with an intermediate step between film/screen radiography and direct digital (DR) imaging systems. Many imaging departments will have both technologies... even in the same
Last updated:
Mar 7 2011, 8:05 PM EST by
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Normal Paediatric Shoulder- 13 year old male
Notes The normal "V" shaped proximal humeral physis is demonstrated.
Last updated:
Feb 8 2010, 2:23 AM EST by AndyC
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Imaging Shoulder Dislocations
Introduction Dislocations of the glenohumeral joint are commonly seen in Emergency Departments. This page considers all aspects of radiography of glenohumeral joint dislocations Anatomy These videos provide information on the bony and
Last updated:
Feb 8 2011, 9:18 PM EST by
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Scapula Radiographic Anatomy
Clavicle Radiographic Anatomy This page contains radiographic anatomy of the adult scapula Images on this page AP Oblique Lateral Adult Scapula - AP ....Go Back to Radiographic Anatomy Index Scapula Li
Last updated:
Apr 12 2011, 8:06 AM EDT by AndyC
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Exposure - Scapula
This page contains radiographic exposure values Adult Scapula Region View kVp mAs Cassette Grid Distance Scapula AP 65 16 Regular Yes 100 - 115cm (40 inches) Lateral (Y) 70 20 Regular Y
Last updated:
Jun 7 2011, 2:02 AM EDT by AndyC
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Protocol - Scapula
General X-ray protocols Scapula Trauma Protocols Scapula - AP Scapula - Lateral (Y) Supplementary views Scapula - Oblique Non Trauma Protocols Scapula - AP Scapula - Lateral (Y) Supplem
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Apr 12 2011, 7:37 AM EDT by AndyC
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Lateral Scapula Radiography
Introduction The lateral scapula ("Y" view) of the shoulder is one of those "signature" views that radiographers approach in a variety of ways. The techniques can be divided into AP and PA. The techniques can be further divided acco
Last updated:
Nov 9 2011, 6:45 AM EST by
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 glenoid fracture
glenoid fracture
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Added:
Jul 18 2008, 10:26 PM EDT by
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Digital Double Dipping in Chest Trauma Radiography
Introduction Digital double dipping refers to the practice of extracting two images from a single exposure by post-processing alterations and saving as two separate images. I have argued the case that there are occasions where di
Last updated:
Feb 8 2010, 2:25 AM EST by AndyC
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Notes on Chest Radiography
Chest Radiography Video Tutorials 1. Chest Radiography of the Kyphotic Patient This is a lateral chest image taken on a patient with a moderately severe thoracic kyphosis. A triang
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Sep 3 2011, 8:58 PM EDT by
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Shoulder
Shoulder Surface Anatomy Other pages of interest Applied Radiography Radiographic Anatomy Radiographic Protocols Shoulder Anterior The shoulder comprises
Last updated:
Mar 17 2008, 7:59 AM EDT by AndyC
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