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Hand & Upper Limb
intermediate
X-Type

Phalangeal Fractures - PIP Injuries, Stability, and Fixation

Hand Trauma

A 28-year-old male cricketer presents after catching a ball on the tip of his ring finger. X-rays show a fracture of the base of the middle phalanx with dorsal subluxation of the PIP joint. The fracture involves approximately 40% of the articular surface. Regarding the anatomy and classification of phalangeal fractures:

Mark each as TRUE or FALSE

A

The volar plate attaches to the volar base of the middle phalanx and prevents hyperextension of the ...

B

The PIP joint is a hinge joint with primary stability provided by the collateral ligaments, volar pl...

C

All phalangeal fractures are inherently stable and can be treated with buddy taping regardless of ar...

D

Stability of PIP fracture-dislocations depends on the percentage of articular surface involved, the ...

E

The central slip of the extensor mechanism inserts on the dorsal base of the middle phalanx; avulsio...

Answer the questions to see explanations

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