Lunotriquetral Ligament Injuries, Midcarpal Instability, and Volar Intercalated Segment Instability William F. Pientka II Jonathan D. Boyle Timothy R. Niacaris David M. Lichtman LUNOTRIQUETRAL LIGAMENT INJURIES Functional anatomy Intrinsic wrist…
Scapholunate Ligament Injury and Dorsal Intercalated Segment Stability Mark Henry INTRODUCTION Pathoanatomy Intrinsic scapholunate interosseous ligament (SLIL) begins to fail volarly (1 mm thick, 117 N load to failure), as…
Carpal Bone Malunions and Nonunions Paul C. Baldwin III John R. Fowler INTRODUCTION Mechanism of injury Scaphoid fractures occur most commonly from a fall onto the outstretched hand, resulting in…
Hamate Body Fracture Kenrick C. Lam Andrew Coskey Niki L. Carayannopoulos INTRODUCTION Pathoanatomy Hamate is a triangular prism-shaped bone in the coronal plane with a large anterior-sided process, the hook…
Hook of Hamate Fractures Katherine M. Dederer Reid W. Draeger INTRODUCTION Incidence and epidemiology Hook of hamate fractures are estimated at 2% of all carpal fractures1 Likely underreported due to…
Pisiform Fractures Mikael Starecki James R. Mullen INTRODUCTION Anatomy The pisiform is a pea-shaped sesamoid bone within the tendon of the flexor carpi ulnaris (FCU). Attaches to FCU proximally Distally…
Digital Collateral Ligament Injury Steven T. Lanier Michael S. Gart INTRODUCTION Thumb metacarpophalangeal (MP) ulnar collateral ligament (UCL) (note: thumb radial collateral ligament [RCL] injuries are managed similarly and are…
Scaphoid Fractures Adam S. Martin Hisham M. Awan INTRODUCTION The scaphoid is the most commonly fractured carpal bone. Although the scaphoid is named for its resemblance to a boat shape…
Perilunate Dislocations Michael Moustoukas Nileshkumar M. Chaudhari INTRODUCTION Overview High-energy injury resulting in dislocation of capitate while lunate remains in lunate fossa. Dorsal dislocation is most common Carpal instability complex…
Malunion and Nonunion of Fingers and Hand Tiffany Y. Wu John R. Fowler INTRODUCTION Pathoanatomy Malunions are usually multiplanar, though one component is predominant. Nonunions are rare (0.2%-0.7% incidence) and…
