PURPOSE The primary purpose of this study was to measure the in vitro scaphoid and lunate motion during 9 different variations of a wrist dart throw motion. Another goal was to determine the specific dart throw motion that minimized scaphoid and lunate motion. METHODS Scaphoid and lunate motion were recorded in 7 cadaver forearms during various combinations of wrist dart throw motions caused ...

INTRODUCTION A rare case of congenital bipartite lunate in a child is reported. Carpal variants are very uncommon as independent entities, with only three previous reports of this condition in the English literature. CASE PRESENTATION An 11-year-old Caucasian boy presented with pain in the left wrist after a fall. Radiographs in the emergency department demonstrated a lunate that was divided ...

Carpal dislocations are wrist injuries and Lunate dislocation is its severe form. Lunate and perilunate dislocations are uncommon. These injuries have significant clinical impact on the patient but are easily missed and lead to potentially devastating effect if mismanaged. This case report outlines the important clinical aspects and management of Lunate dislocation.

Kienbock’s disease (lunatomalacia), first described by Robert Kienbock as ligamentous trauma to the lunate resulting in the interruption of internal arterial supply to the bone [1], is defined as a specific form of avascular osteonecrosis affecting the lunate. Kienbock’s disease is characterized by sclerosis, cystic changes, fragmentation, and articular surface collapse as present on plain radi...

Abstract
 Background: In this study, we examined whether carpal bones (lunate, hamate, capitate) morphologies and fourth metecarp-capitate articulation have an effect on the distal radius fracture pattern.
 
 Methods: 206 patients who applied to emergency department with between 2016-2020 were included in study. Preoperative pre-reduction x-ray films of examined. Lunate, capitate...

The aim of this study was to identify anatomic risk factors for scapholunate dissociation. On a PA view of the wrist, in zero position, the scaphoid and lunate diameter and height, lunate tilting angle, lunate uncovering index, lunate fossa inclination, radial inclination and ulnar variance were measured; on a lateral view the scapholunate angle and palmar tilting angle were measured. In a cont...

Fig. 2. A preoperative T2-weighted magnetic resonance imaging image revealed a high signal intensity in the lunate. Fig. 1. A 40-year-old woman presented with pain in the dorsal aspect of the right wrist. Im ag es droma shows a round, transparent osteolytic bony change [2]. It is generally asymptomatic, but may expand [3]. Although enlargement of enchondroma with cortical thinning and protrusio...

Kienbock's disease, which is an idiopathic osteonecrosis and collapse of the lunate bone, is an uncommon disease in children. This report describes a case of an 11-year-old girl, who presented with avascular necrosis of lunate bone confirmed by radiographic and magnetic resonance imaging evidence. After a short period of casting, the case was fully recovered within one year. The signal change w...