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Mallet finger
This document summarizes an orthopedic extern case conference discussing a 54-year-old Thai female patient who presented to the hospital two hours after a motorcycle fell on her left ring finger. On examination, she had a 3 cm laceration wound deep to the bone on her left ring finger, with bleeding and pain on movement but no numbness. The diagnosis was an open mallet finger injury, classified as a Type II injury involving an open laceration. Treatment for this type of injury involves continuous splinting for 8 weeks with the finger in slight hyperextension.
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Mallet finger
- 1. Orthopedics Extern Case Conference NatthawutNititanabhaworn
- 2. Patient profile หญิงไทย อายุ54 ปี Chief complaint รถจักรยานยนต์ล้มทับนิ้วมือซ้าย 2 ชั่วโมง ก่อนมาโรงพยาบาล
- 3. Primary survey A :can talk, no c-spine tenderness B : no dyspnea, RR 20 C : no active external bleeding full pulse, BP 102/80 D : E4V5M6 E : laceration wound 3 cm at Lt. ring finger, deep to bone
- 4. Secondary survey A :no drug/food allergy M : no medication P : no underlying disease L : last meal 4 hr E : รถจักรยานยนต์ที่จอดอยู่ ล้มทับนิ้วก้อยมือซ้าย มีแผลเปิด ปวดมาก ขยับนิ้วก้อยได้ ไม่ชาปลายนิ้ว มีเลือดออกซึมๆ เหตุเกิด 2 hr
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- 20. Doyle's Classification ofMallet Finger Injuries Type I • Closed injury with or without small dorsal avulusion fracture Type II • Open injury (laceration) Type III • Open injury (deep abrasion involving skin and tendon substance) Type IV • Mallet fracture A = distal phalanx physeal injury (pediatrics) B = fracture fragment involving 20% to 50% of articular surface (adult) C = fracture fragment >50% of articular surface (adult)
- 21. Doyle's Classification ofMallet Finger Injuries Type I • Closed injury with or without small dorsal avulusion fracture Type II • Open injury (laceration) Type III • Open injury (deep abrasion involving skin and tendon substance) Type IV • Mallet fracture A = distal phalanx physeal injury (pediatrics) B = fracture fragment involving 20% to 50% of articular surface (adult) C = fracture fragment >50% of articular surface (adult) Continuous splinting 8 wk Slightly hyperextension Tendon repair & K-wire fixation
- 22. Doyle's Classification ofMallet Finger Injuries Type I • Closed injury with or without small dorsal avulusion fracture Type II • Open injury (laceration) Type III • Open injury (deep abrasion involving skin and tendon substance) Type IV • Mallet fracture A = distal phalanx physeal injury (pediatrics) B = fracture fragment involving 20% to 50% of articular surface (adult) C = fracture fragment >50% of articular surface (adult) Continuous splinting 8 wk Slightly hyperextension Tendon repair & K-wire fixation Skin marceration/necrosis
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