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Triphalangeal thumb: clinical features and treatment
Steven E R Hovius1,2,3, Jacob W P Potuijt1, Christianne A van Nieuwenhoven1
11 Department of Plastic, Reconstructive and Hand Surgery, Erasmus University Medical Center, Rotterdam, The Netherlands.
The Journal of Hand Surgery, European Volume
|September 19, 2018
Summary
Triphalangeal thumb, a rare congenital anomaly, presents with varied clinical features and requires surgical correction for improved function. Surgical outcomes can be rewarding with a thorough understanding of the thumb's unique anatomy.
Area of Science:
- Orthopedics
- Congenital Anomalies
- Hand Surgery
Background:
- Triphalangeal thumb is a rare congenital anomaly characterized by an extra phalanx in the thumb.
- Presentation varies, affecting one or both hands, with potential for long, finger-like appearance and clinodactyly.
Purpose of the Study:
- To review current concepts in the presentation and management of triphalangeal thumb.
- To outline surgical aims focusing on functional and aesthetic reconstruction.
Main Methods:
- Review of clinical presentations and surgical management strategies for triphalangeal thumb.
- Surgical interventions included delta phalanx removal, ligament reconstruction, osteotomies, and soft tissue rebalancing.
Main Results:
- Surgical reconstruction aims to correct anatomical anomalies for enhanced function and appearance.
- Complex cases can yield rewarding results with adequate surgical knowledge of anatomical variations.
Conclusions:
- Understanding the anatomical differences is crucial for successful surgical management of triphalangeal thumb.
- This review provides insights into the presentation and management of this congenital anomaly.
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