✋ Congenital & Acquired Hand Deformities
Hand deformities—whether congenital (present at birth) or acquired (developed later in life)—can significantly impact function, appearance, and quality of life. Treatment often involves a combination of reconstructive surgery, therapy, and sometimes prosthetics.
🧬 Congenital Hand Deformities
These result from abnormal development in the womb, often due to genetic mutations, syndromes, or unknown causes.
Common Types:
1. Syndactyly
Fusion of two or more fingers.
Can be simple (skin only) or complex (bones and tendons).
Treatment: Surgical separation with skin grafting.
2. Polydactyly
Extra digits (common in thumbs and little fingers).
Can be preaxial (thumb side), postaxial (little finger side), or central.
Treatment: Excision and reconstruction, often in infancy.
3. Radial Club Hand (Radial Deficiency)
Underdevelopment or absence of the radius bone → wrist bends inward.
Often associated with heart or kidney abnormalities.
Treatment: Stretching, splinting, centralization surgery, tendon transfers.
4. Thumb Hypoplasia/Aplasia
Underdeveloped or missing thumb.
Graded I–V based on severity.
Treatment: Tendon transfers, thumb reconstruction, or pollicization (index finger converted into a thumb).
5. Camptodactyly
Non-traumatic flexion deformity, typically of the little finger.
Treatment: Stretching, splinting, or surgical release if severe.
6. Cleft Hand (Ectrodactyly)
“Split hand” or lobster-claw deformity.
Central digit(s) missing, causing a cleft.
Treatment: Reconstruction to improve grip and appearance.
🛠️ Acquired Hand Deformities
These develop after birth due to trauma, disease, or repetitive stress.
Common Causes:
1. Trauma
Fractures, tendon/nerve injuries, burns.
Treatment: Surgical repair, tendon transfers, bone grafts, microsurgery.
2. Arthritis
Rheumatoid arthritis and osteoarthritis can lead to deformities like:
Swan-neck deformity
Boutonnière deformity
Ulnar drift
Treatment: Medication, splinting, joint reconstruction or fusion.
3. Dupuytren’s Contracture
Thickening of fascia in the palm → fingers (esp. ring & little) curl toward palm.
Treatment: Collagenase injections, needle aponeurotomy, or surgical fasciectomy.
4. Nerve Injuries
Ulnar nerve → Claw hand
Median nerve → Ape thumb
Radial nerve → Wrist drop
Treatment: Nerve repair, tendon transfers, bracing.
5. Cerebral Palsy / Stroke
Spastic deformities due to neurological disorders.
Treatment: Splinting, botulinum toxin, muscle/tendon balancing, surgical release.
🧠 Multidisciplinary Management
Hand surgeons (plastic, orthopedic, or microsurgeons)
Occupational/physical therapists
Pediatricians and geneticists (for congenital cases)
Rheumatologists or neurologists (for systemic or acquired causes)
🎯 Goals of Treatment
Restore function (grip, dexterity, sensation)
Improve appearance and psychosocial confidence
Prevent further deformity or contracture
Support independence and daily living activities
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