OrthopaedicPrinciples.com

Integrating Principles and Evidence

Integrating Principles and Evidence

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Open Fractures

Courtesy – Dr. David J. Hak, Dr Ashok Shyam, Ortho TV

Un-displaced scaphoid fracture

Courtesy – Dr. Esther Chow, Dr Ashok Shyam, Ortho TV Introduction Scaphoid fractures are the most common carpal bone fractures of the wrist. Management of undisplaced scaphoid waist fractures (Herbert Type B2) remains controversial, with both conservative and surgical options being widely used. Definition of Undisplaced Fracture < 1 mm displacement No step or gap […]

Perilunate Injuries

Courtesy Dr Jefferey Yao, Dr Ashok Shyam, Ortho TV Overview Wrist ligaments function as static stabilizers, guiding and constraining motion of the carpal bones. Types of Wrist Ligaments 1. Intrinsic Ligaments Located entirely within the carpus Connect adjacent carpal bones Examples: Scapholunate ligament Lunotriquetral ligament 2. Extrinsic Ligaments Connect carpal bones to the radius or […]

Perilunate Injuries

Courtesy Dr Bo LIU, Dr Ashok Shyam, Ortho TV Introduction Perilunate injuries are uncommon but severe carpal injuries that can lead to significant functional impairment. Types of Perilunate Injuries Perilunate fracture-dislocations (commonly involving scaphoid fractures) Pure ligamentous injuries involving: Scapholunate (SL) ligament Lunotriquetral (LT) ligament Clinical Impact Severe carpal instability Long-term functional limitation if not […]

Kienbock’s Disease

Courtesy Dr Greg Bain, Dr Ashok Shyam, Ortho TV   Kienböck Disease (Avascular Necrosis of the Lunate) Overview Kienböck disease is a condition characterized by avascular necrosis of the lunate, leading to: Progressive lunate collapse Carpal instability Secondary degenerative arthritis of the wrist It is a multifactorial disease involving mechanical, vascular, and structural factors Pathophysiology […]