Hand Conditions and Injuries Flashcards
What is a mucous cyst?
An outpouching of synovial fluid from the DIP joint
What is a ganglion?
An outpoutching of the synovial cavity
Where do ganglions commonly appear?
Wrist
What occurs in trigger finger syndrome?
Tendon running within flexor tendon sheath swells and gets caught on A1 pulley
How is trigger finger managed?
Steroid injection between tendon and fibrous sheath
Surgery (divide A1 pulley)
What is DeQuervain’s tenosynovitis?
An inflammation at the extensor tendons at the wrist near the base of the thumb
What test is useful in DeQuervain’s?
Finklestein test
How is DeQuervain’s treated non-surgically?
NSAIDs
Splint
Steroid injection
How is DeQuervain’s treated surgically?
Decompression - sheath is divided
What is Dupuytren’s contracture?
Thickening and contracture of subdermal palmar fascia causing fixed flexion deformity
In Dupuytren’s there is a dysplasia of the fibres. True/false?
False - metaplasia from fibroblasts to myofibroblasts
In Dupuytren’s, MCP involvement has a better prognosis than PIP involvement. True/false?
True
How is Dupuytren’s mainly treated?
Surgical fasciectomy
What is paronychia?
Infection within the nail fold
Flexor tendon sheath infection is a surgical emergency. True/false?
True