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- Title
Morphological and morphometric evaluation of the scaphoid bone for internal fixation: a preliminary study.
- Authors
Paslı, Bahattin; Gündoğdu, Helin Yücedağ; Güneş, Burcu Erçakmak
- Abstract
Objective: The scaphoid bone is the most frequently fractured carpal bone following wrist injuries. Although fractures are often treated conservatively, internal fixation is increasingly being used because it allows early physical activity and is associated with high satisfaction of patient. In addition, avascular necrosis of bone is common after fracture and surgical treatment. Knowledge of the location of vascular foramina is important for understanding bone nutrition and assessing the risk of avascular necrosis. The aim of this study was to define various morphological and morphometric features of the scaphoid for appropriate implant selection and to evaluate the risk of avascular necrosis. Methods: This study evaluated eighteen scaphoids using twenty-three parameters. The scaphoid's maximum length, longitudinal axis length, and narrowest part of the neck width were measured. The number of vascular foramina was also recorded. The distances of the closest and farthest foramina to the tubercle were recorded. The safe angle range for screwing and the thickness of the proximal and distal part of the tubercle were measured. Results: The maximum length, longitudinal axis length, and neck width of scaphoids were 26.12±2.78 mm, 11.07±1.65 mm and 24.16±2.6 mm, respectively. The numbers of vascular foramina on the palmar and dorsal surface were 0-9 and 2-25, respectively. No vascular foramen was found on the palmar surface of five bones. In addition, foramen located proximal to the neck was not detected in six of the bones. Conclusion: Location of fracture is thought to be associated with the development of avascular necrosis and nonunion. Understanding the features of the scaphoid is crucial for accurate screw selection and placement.
- Subjects
SCAPHOID bone; WRIST; CARPAL bones; OSTEONECROSIS; PATIENT satisfaction; TREATMENT of fractures; PHYSICAL activity
- Publication
Anatomy: International Journal of Experimental & Clinical Anatomy, 2024, Vol 18, pS30
- ISSN
1307-8798
- Publication type
Article