Hand Surgery Glossary

An anatomical variant causing involuntary thumb flexion during index finger flexion.

Ligament reconstruction and tendon interposition surgery for thumb CMC joint arthritis.

Paradoxical finger extension at interphalangeal joints during attempted grip due to abnormal lumbrical muscle action.

Displacement of the lunate bone from its normal position in the proximal carpal row.

Congenital overgrowth of one or more digits resulting in disproportionately large fingers or toes.

Injury causing inability to extend the DIP joint due to extensor tendon rupture or avulsion fracture.

Staging system for progressive perilunate instability patterns based on the sequence of ligamentous failure.

A painful prominence at the base of the second and third metacarpals.

Abnormal motion between proximal and distal carpal rows causing painful clicking and weakness with wrist movement.

Volar advancement flap used for fingertip reconstruction, based on neurovascular bundles for sensate coverage.

Traumatic injury to the specialized tissue beneath the nail plate that requires precise repair techniques.

Tendon transfer surgery to restore thumb opposition function in cases of median nerve palsy.

Open reduction and internal fixation - surgical procedure to realign and stabilize broken bones.

Fibrous connective tissue layer in the palm that provides structural support and can become contracted in Dupuytren dise...

Provocative test for carpal tunnel syndrome involving forced wrist flexion to compress the median nerve.

Proximal interphalangeal joint located between the proximal and middle phalanges of the finger.

Surgical removal of the pisiform bone, typically performed for pisotriquetral arthritis or pisiform fractures.

Surgical procedure to create a functional thumb from the index finger in cases of thumb absence.

Congenital condition characterized by the presence of extra fingers or toes.

Salvage wrist procedure removing scaphoid, lunate, and triquetrum to create new radiocapitate articulation.

Finger deformity mimicking boutonniere pattern but caused by different pathological mechanisms.

Clinical examination technique used to assess intrinsic muscle function by testing finger extension with MCP joints flex...

Congenital limb deficiency involving partial or complete absence of the radius with radial deviation of the hand.

Surgical fusion of the radius and carpal bones to eliminate painful wrist motion.