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Hand & Upper Limb
intermediate
X-Type

MCP Joint Arthritis - Silicone Arthroplasty Principles

Hand Arthritis

A 58-year-old woman with long-standing rheumatoid arthritis presents with progressive deformity and dysfunction of both hands. Examination reveals bilateral ulnar drift at the MCP joints with volar subluxation of the proximal phalanges. X-rays show Larsen Grade IV changes with joint destruction. She has failed medical management with DMARDs and biologics. Regarding MCP joint arthritis and its surgical management:

Mark each as TRUE or FALSE

A

The pathomechanism of rheumatoid MCP deformity involves chronic synovitis stretching the volar plate...

B

Silicone arthroplasty is the standard surgical treatment for MCP arthritis of digits 2-5; the silico...

C

Silicone arthroplasty alone without soft tissue balancing provides excellent long-term outcomes; art...

D

Arthrodesis is the preferred treatment for thumb MCP arthritis as it provides stable lateral key pin...

E

Soft tissue balancing is essential for successful MCP arthroplasty and includes synovectomy for acti...

Answer the questions to see explanations

Click T (True) or F (False) for each option