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fracture dislocation of the first metacarpal bone at the carpal-metacarpal joint.
Farlex Partner Medical Dictionary © Farlex 2012
Bennett fractureAn intra-articular fracture/dislocation of the ulnar aspect of thumb/1st metacarpal that extends into the carpometacarpal joint, in which a small fragment of the metacarpal bone stays articulated with the trapezium.
Striking a hard object with closed fist, forced thumb abduction—e.g., fall on the thumb, as occurs in a bike fall.
Precise reduction of fracture.
Post-traumatic osteoarthritis is the norm if the fracture is allowed to heal in the displaced position.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
Bennett fractureOrthopedics An intraarticular fracture/dislocation of the ulnar aspect of thumb/1st metacarpal, in which a small fragment of the metacarpal continues to articulate with the trapezium Mechanism Forced thumb abduction Complications Pseudoarthrosis Prognosis Better than Rolando fracture. See Fracture. Cf Rolando fracture.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
Ben·nett frac·ture(ben'ĕt frak'shŭr)
Dislocation and break of the first metacarpal bone at the carpal-metacarpal joint.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Bennett,Edward H., Irish surgeon, 1837-1907.
Bennett fracture - fracture dislocation of the first metacarpal bone at the carpometacarpal joint.
Bennett nail biopsy
Bennett posterior shoulder approach
Medical Eponyms © Farlex 2012