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Handipedia

Dorsal Hand Hematoma

Overview Vascular trauma without adequate hemostasis can lead to the accumulation of blood within surrounding soft tissue. The extravasated blood organizes and is consequently known…

Dislocation

A joint is dislocated(1) when the two joint surfaces are no longer in contact with each other (Figure 1). This is to be distinguished from a subluxation(2),…

Proximal Interphalangeal Joint Dislocation

Proximal interphalangeal joint (PIPJ) dislocation is one of the most common hand injuries. Dislocation refers to displacement in which the two articular surfaces are no…

Trans-Scaphoid Perilunate Dislocation

Background The lunate bone is aptly named because of its crescent shape on the lateral view (‘luna’ means moon in Latin). It is bounded by…

Night stick fracture (isolated distal ulna fracture)

 Above: 63 year old female presenting with a left oblique distal ulna fx with ulnar styloid component sustained after a fall.   Nightstick fractures are isolated fractures of the ulna,…

Central Slip Injury

Anatomy The extensor mechanism of the hand is a complex apparatus; there are extrinsic and intrinsic contributions and ligamentous stabilizers which contribute to the integrity…

Collar button abscess

Example case 30 yo RHD dominant male presents with palmar pain, swelling, and redness 1 week after getting into a fight.  Upon further questioning, patient…

Metacarpal Neck Fracture

Anatomy In human anatomy, the metacarpal bones, form the intermediate part of the skeletal hand located between the phalanges of the fingers and the carpal bones of the wrist. The metacarpals form a transverse…

Acute Paronychia

Overview The importance of adequately treating hand infections must not be understated. Sequelae from these injuries if unresolved can result in stiffness, deformity, functional disability,…

Evaluate for Malrotation

Fingers are not parallel. When each finger is flexed in isolation, it points (roughly) to the distal pole of the scaphoid. This is only possible…