Difference between revisions of "X-ray of polydactyly"
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*'''Development''' as compared to "normal" digits | *'''Development''' as compared to "normal" digits | ||
:*'''Duplication''' can be stated at least when it is difficult to structurally distinguish any supernumerary digit from the "normal" digit that shares the same proximal attachment site. | :*'''Duplication''' can be stated at least when it is difficult to structurally distinguish any supernumerary digit from the "normal" digit that shares the same proximal attachment site. | ||
| − | *Structure of the '''attachment''' site, for example forming a joint with a certain metacarpal/metatarsal or phalangeal bone. | + | *Structure of the '''attachment''' site, for example forming a joint with a certain metacarpal/metatarsal or phalangeal bone |
| + | :*Whether that '''proximal bone''' is normal or for example broadened at the attachment. | ||
:*'''Fusion''' of even the distal parts of a supernumerary digit (syndactyly) is called polysyndactyly.<ref>{{cite web|url=https://radiopaedia.org/articles/polysyndactyly?lang=us|title=Polysyndactyly|author=Dr Mark Thurston|website=Radiopaedia|accessdate=2019-01-28}}</ref> | :*'''Fusion''' of even the distal parts of a supernumerary digit (syndactyly) is called polysyndactyly.<ref>{{cite web|url=https://radiopaedia.org/articles/polysyndactyly?lang=us|title=Polysyndactyly|author=Dr Mark Thurston|website=Radiopaedia|accessdate=2019-01-28}}</ref> | ||
*'''Angulation''' of the most proximal part of the supernumerary digit, and can usually described as mild/moderate/severe valgus or varus and not necessarily numerically. | *'''Angulation''' of the most proximal part of the supernumerary digit, and can usually described as mild/moderate/severe valgus or varus and not necessarily numerically. | ||
*Any '''other abnormality''' in the projected skeleton, since the condition is associated with many syndromes.<ref name=radiopaedia/> | *Any '''other abnormality''' in the projected skeleton, since the condition is associated with many syndromes.<ref name=radiopaedia/> | ||
{{Bottom}} | {{Bottom}} | ||
Revision as of 15:10, 1 February 2019
Author:
Mikael Häggström [notes 1]
File:Polydactyly ECS.jpg
Polydactyly of the hand.
Choice of modality
X-ray is generally the initial choice.
Evaluation
- Number of supernumerary digits.[1]
- Development as compared to "normal" digits
- Duplication can be stated at least when it is difficult to structurally distinguish any supernumerary digit from the "normal" digit that shares the same proximal attachment site.
- Structure of the attachment site, for example forming a joint with a certain metacarpal/metatarsal or phalangeal bone
- Whether that proximal bone is normal or for example broadened at the attachment.
- Fusion of even the distal parts of a supernumerary digit (syndactyly) is called polysyndactyly.[2]
- Angulation of the most proximal part of the supernumerary digit, and can usually described as mild/moderate/severe valgus or varus and not necessarily numerically.
- Any other abnormality in the projected skeleton, since the condition is associated with many syndromes.[1]
Notes
- ↑ For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Radlines:Authorship for details.
References
- ↑ 1.0 1.1 Dr Daniel J Bell and Dr Yuranga Weerakkody. Polydactyly. Radiopaedia. Retrieved on 2019-01-28.
- ↑ Dr Mark Thurston. Polysyndactyly. Radiopaedia. Retrieved on 2019-01-28.
