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De Quervain's tensynovitis - Coggle Diagram
De Quervain's tensynovitis
definition group of entities with a common pathology involving friction between extrinsic tendons of the hand and wrist and their corresponding retinacular sheaths
management
steroid injection
surgery
splint
mechanism/aetiology; sheath of the tendons in the thumbs side of the wrist become inflammmed or swollen restricting tendons movement- due to chronic movement or direct injury to the wrisy
risk factors
female sex
involvement of the dominant hand
50-60 yrs old
pregnant
signs
positive finklestein test ; thumb within the hand and rotate
pain over retinacular sheath
restricted ROM of the thumb
response to anaesthetic injection
symptoms
focal tenderness near the radial side of the wrist
syptoms occur over months
focal swelling
A "sticking" or "stop-and-go" sensation in your thumb when moving it
investigation; high-resolution of ultrasound scan, Findings include; increased fluid within the first extensor tendon compartment tendon sheath. thickening of overlying retinaculum and the synovial sheath
differentials
gout
occult fracture
osteoarthritis
rheumatoid arthritis