Ulnar dimelia: Difference between revisions
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== References == |
== References == |
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* {{cite book|last1=Tomaszewski|first1=Ryszard|last2=Bulandra|first2=Andrzej|title=Ulnar dimelia-diagnosis and management of a rare congenital anomaly of the upper limb|date=2015|pages=S121–S124|url=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4674541/}} |
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* {{cite web|last1=Namdev|first1=Rupesh|title=Ulnar dimelia {{!}} Radiology Reference Article {{!}} Radiopaedia.org|url=https://radiopaedia.org/articles/ulnar-dimelia|website=radiopaedia.org|language=en}} |
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* {{cite web|title=Ulnar dimelia: Is it a true duplication of the ulna?|url=https://www.sciencedirect.com/science/article/pii/S0266768197800241|website=The Journal of Hand Surgery: British & European Volume|pages=77–79|language=en|doi=10.1016/S0266-7681(97)80024-1|date=1 February 1997}} |
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* {{cite web|last1=Jameel|first1=Javed|last2=Khan|first2=Abdul Qayyum|last3=Ahmad|first3=Sohail|last4=Abbas|first4=Mazhar|title=Ulnar dimelia variant: a case report|url=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3163772/#idm140185889695872title|website=Journal of Orthopaedics and Traumatology : Official Journal of the Italian Society of Orthopaedics and Traumatology|pages=163–165|doi=10.1007/s10195-011-0146-y|date=2011}} |
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== Further reading == |
== Further reading == |
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Ulnar dimelia, also referred to simply as Mirror hand, is a very rare congenital disorder characterized by absence of radial ray, duplication of the ulna, duplication of carpals, metacarpals, phalanges and symmetric polydactyly. In some cases surgical amputation is performed to remove the duplicate carpals, metacarpals and phalanges. Approximately 70 cases as of 2015 has been recorded in medical literature.
Bone deformity may also accompany nervous and arterial anomalies in some cases due to duplication of ulnar nerve, presence of abnormal arterial arches, duplicate ulnar artery, shortening of radial nerve and absence of radial artery. The diagnosis of Ulnar dimelia is based on laboratory tests of frontal and sagittal planes in individuals suspected of the condition. There are two types of ulnar dimelia noted in medical journals: Type 1 Ulnar dimelia entails 1 lunate and 1 trapezoid bone as well as 1 index finger, while Type 2 Ulnar dimelia has 2 lunate and 2 trapezoid bones as well as 2 index fingers.
American Society for Surgery of the Hand and the International Federation of Societies for Surgery of the Hand classified Ulnar dimelia to the 3rd group of congenital hand deformities in accordance to the characteristics proposed in Swanson classification (1976).
References
- Tomaszewski, Ryszard; Bulandra, Andrzej (2015). Ulnar dimelia-diagnosis and management of a rare congenital anomaly of the upper limb. pp. S121–S124.
- Namdev, Rupesh. "Ulnar dimelia | Radiology Reference Article | Radiopaedia.org". radiopaedia.org.
- "Ulnar dimelia: Is it a true duplication of the ulna?". The Journal of Hand Surgery: British & European Volume. 1 February 1997. pp. 77–79. doi:10.1016/S0266-7681(97)80024-1.
- Jameel, Javed; Khan, Abdul Qayyum; Ahmad, Sohail; Abbas, Mazhar (2011). "Ulnar dimelia variant: a case report". Journal of Orthopaedics and Traumatology : Official Journal of the Italian Society of Orthopaedics and Traumatology. pp. 163–165. doi:10.1007/s10195-011-0146-y.