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Trapeziometacarpal osteoarthritis (TMC OA) is, also known as osteoarthritis at the base of the thumb, thumb carpometacarpal osteoarthritis, basilar (or basal) joint arthritis, or as rhizarthrosis. [ 3 ] [ 1 ] [ 2 ] This joint is formed by the trapezium bone of the wrist and the metacarpal bone of the thumb.
The Rolando fracture is a type of broken finger involving the base of the thumb. [1] It is an intra-articular fracture. [2] It was first described in 1910 by Silvio Rolando. [3] It is typically T- or Y-shaped. [4]
Hand surgery, emergency medicine: Symptoms: Pain at the base of the thumb, swelling [2] Complications: Nonunion, avascular necrosis, arthritis [2] [1] Types: Proximal, medial, distal [2] Causes: Fall on an outstretched hand [2] Diagnostic method: Examination, X-rays, MRI, bone scan [2] Differential diagnosis
The carpometacarpal (CMC) joints are five joints in the wrist that articulate the distal row of carpal bones and the proximal bases of the five metacarpal bones.. The CMC joint of the thumb or the first CMC joint, also known as the trapeziometacarpal (TMC) joint, differs significantly from the other four CMC joints and is therefore described separately.
With gamekeeper's thumb, where the ulnar collateral ligament (UCL) is damaged, thumb functional abilities may be diminished. [4] For fingertip deformities, such as in mallet finger, pain and fingernail disruption may also be observed. [13] Rheumatoid arthritis of the hands may cause hand deformities.
Synovectomy is the surgical removal of the synovial tissue surrounding a joint.This procedure is typically recommended to provide relief from a condition in which the synovial membrane or the joint lining becomes inflamed and irritated and is not controlled by medication alone.
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[16] [17] This and other issues contribute to potential to develop arthritis over the years. In part based on these concerns, some surgeon prefer to maintain the lunate in patients younger than 40 years proximal row carpectomy. [6] [18] A surgery called four-corner arthrodesis is an option. [6]