Osseus Condition Wrist/Hand (2) Flashcards
What is a colles fracture?
Distal segment of radius is displaced in a dorsal direction
What is the mechanism of injury of a colles fracture?
Fall on outstretch hand
What is a smith fracture (reverse colles)?
Complete fracture of distal radius with volar displacement of distal fragment
What is the mechanism of injury for a smith fracture (reverse colles)?
Falling and landing on backside of hand with wrist flexed
What is the most common fracture in the hand?
Scaphoid fracture
What can a scaphoid fracture lead to?
Avascular necrosis
What are the clinical signs to check for a scaphoid fracture?
Snuff box tenderness
Scaphoid tubercle tenderness
Longitudinal compression (load through thumb)
What is a boxer fracture?
Fracture of the 5th metacarpal
What is a Bennet fracture?
Fracture of 1st metacarpal (2 pieces)
What is a gamekeepers Avulsion?
Ligament injury in the thumb that pulls off a piece of bone
What is a gamekeepers thumb?
Injury to ligament only (no bone injury) (ulnar collateral ligament)
What is the triangular fibrocartilage complex (TFCC)?
Articular disc
Dorsal and volar radioulnar ligaments
Ulnar collateral ligament
Extensor carpi ulnaris sheath
Lunotriquetral ligament
What is Avascular necrosis of the lunate referred to as?
Keinboch’s disease
Where is avascular necrosis most common?
Scaphoid fracture
What is dequervians tenosynovitis?
Progressive stenosing tenosynovitis of tendon sheaths of the first dorsal compartment (abductor pollicis longus and extensor pollicis brevis)
Thickening of extensor retinaculum which compresses tendons above