• Case Name: Little finger injury.
• Author’s Name: Dr Maulik S. Patel
• Author’s workplace: Private Clinic, Surat ( City ), India.
• Clinical Signs: M / 42 yrs. Little finger injury while catching cricket ball – 4 wks.
  • Transition dislocation of proximal interphalangeal joint.
  • Buddy strapping for 4 wks. Now presents with Boutonniere deformity.
• Diagnosis: Avulsion of central slip of 5th finger extensor tendon.

Ultrasound: There is avulsed central slip from base of middle phalanx.

Tiny bone flakes ( 1 mm ) are present at tip of avulsed tendon slip.

Retraction of tendon edge from phalanx base is 4 mm.

Central slip is intact at distal phalanx attachment site.

Radiograph ( cropped magnified Image ) : Tiny bone flake in soft tissue swelling on dorsal aspect of proximal interphalangeal joint of 5th finger.