Difference between revisions of "X-ray of distal radius fractures"
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*A line drawn between the distal ends of the articular surface of the radius. | *A line drawn between the distal ends of the articular surface of the radius. | ||
*The axial plane of radius: Represented by a line that is perpendicular to the diaphysis of the radius. | *The axial plane of radius: Represented by a line that is perpendicular to the diaphysis of the radius. | ||
| − | Sometimes, the diaphysis of the radius is hard to distinguish from the [[ulna]], and a line between them (<font color="turquoise">turquoise line</font>) may be used instead.<ref>{{cite web|url=https://radiopaedia.org/articles/colles-fracture|title=Colles fracture|author=Dr Paresh K Desai|accessdate=2016-12-18|website= | + | Sometimes, the diaphysis of the radius is hard to distinguish from the [[ulna]], and a line between them (<font color="turquoise">turquoise line</font>) may be used instead.<ref>{{cite web|url=https://radiopaedia.org/articles/colles-fracture|title=Colles fracture|author=Dr Paresh K Desai|accessdate=2016-12-18|website=Radiopedia}}</ref> |
Although this is the standard definition of dorsal or volar tilt, the parameter can be interpreted by clinicians as being in relation to the ''normal anatomical position'' of the articular surface of radius (which normally has a volar tilt of 11° to 12°), and should therefore be specified as shown in report. | Although this is the standard definition of dorsal or volar tilt, the parameter can be interpreted by clinicians as being in relation to the ''normal anatomical position'' of the articular surface of radius (which normally has a volar tilt of 11° to 12°), and should therefore be specified as shown in report. | ||
Revision as of 20:27, 12 September 2018
Author:
Mikael Häggström [notes 1]
In projectional radiography ("X-ray") of a distal radius fracture, the most important findings are displacement and whether there is intra-articular involvement.
Contents
Quality checking
The radius should form the contour dorsally in order to better detect even undisplaced fractures.
Displacement
Dorsal or volar tilt
The dorsal or volar tilt can be described by an angle from the axial plane of the radius, shown in red in the image at right, and goes between:[1]
- A line drawn between the distal ends of the articular surface of the radius.
- The axial plane of radius: Represented by a line that is perpendicular to the diaphysis of the radius.
Sometimes, the diaphysis of the radius is hard to distinguish from the ulna, and a line between them (turquoise line) may be used instead.[2]
Although this is the standard definition of dorsal or volar tilt, the parameter can be interpreted by clinicians as being in relation to the normal anatomical position of the articular surface of radius (which normally has a volar tilt of 11° to 12°), and should therefore be specified as shown in report.
Other important features
Check if present or absent:
- Displacemen in other directions
- Comminuted fracture, particularly if it has intra-articular involvement
- Other skeletal fractures, commonly a loose ulnar styloid process.
Report
- If volar or dorsal tilt:
- The degree thereof
- That is it in comparison to the axial plane of radius (to avoid mixup with being in relation to the normal anatomical position)
- Other important features, if present
- See also: General notes on reporting
See also
References
- ↑ Piva Neto, Antonio; Lhamby, Fabio Colla (2011). "Fixação das fraturas da extremidade distal do rádio pela técnica de kapandji modificada: avaliação dos resultados radiológicos ". Revista Brasileira de Ortopedia 46 (4): 368–373. doi:. ISSN 0102-3616.
- ↑ Dr Paresh K Desai. Colles fracture. Radiopedia. Retrieved on 2016-12-18.
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