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Non union can also occur from undiagnosed or undertreated scaphoid fractures. Arterial flow to the scaphoid enters via the distal pole and travels to the proximal pole. This blood supply is tenuous, increasing the risk of nonunion, particularly with fractures at the wrist and proximal end. [4] If not treated correctly non-union of the scaphoid ...
Scaphoid nonunion advanced collapse Scaphoid fracture non-union changes the shape of the scaphoid bone and results in DISI malalignment. [ 2 ] [ 5 ] Scaphoid Non-union Advanced collapse (SNAC) is the pattern of osteoarthritis that develops in relation to the malalignment.
Nonunion. Nonunion is permanent failure of healing following a broken bone unless intervention (such as surgery) is performed. A fracture with nonunion generally forms a structural resemblance to a fibrous joint, and is therefore often called a "false joint" or pseudoarthrosis (from Greek pseudo-, meaning false, and arthrosis, meaning joint).
The Herbert classification is a system of categorizing scaphoid fractures. ... Fracture dislocation B5 Comminuted fracture: C Delayed union D Established non-union ...
The scaphoid can be slow to heal because of the limited circulation to the bone. Fractures of the scaphoid must be recognized and treated quickly, as prompt treatment by immobilization or surgical fixation increases the likelihood of the bone healing in anatomic alignment, thus avoiding mal-union or non-union. [6] Delays may compromise healing.
Pain medication, elevation [1] Prognosis. Recovery over 1 to 2 years [1] Frequency. ≈33% of broken bones [2] A distal radius fracture, also known as wrist fracture, is a break of the part of the radius bone which is close to the wrist. [1] Symptoms include pain, bruising, and rapid-onset swelling. [1] The ulna bone may also be broken.
Occult fracture. An occult fracture is a fracture that is not readily visible, generally in regard to projectional radiography ("X-ray"). Radiographically, occult and subtle fractures are a diagnostic challenge. They may be divided into 1) high energy trauma fracture, 2) fatigue fracture from cyclical and sustained mechanical stress, and 3 ...
Scaphoid fracture with nonunion; Scapholunate dissociation; Scapholunate ligament instability (rupture of this ligament leads to wrist instability) Triangular fibrocartilage complex (injury and degeneration) De Quervain tenosynovitis (when two tendons that control movement of the thumb become constricted by their tendinous sheath in the wrist)