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Thumb Ulnar Collateral Ligament Tear Patient Education Overview. Thumb Ulnar Collateral Ligament Tear is often associated with a sprained thumb that is caused by a fall onto an outstretched hand. The sudden force bends the thumb backwards causing the ligaments that support the thumb to stretch beyond their limits or tear. Partial thickness tear of the left thumb ulnar collateral ligament is seen as a hypoechoic area towards the distal attachment of the ligament at the 1st proximal phalanx.

2020-10-08 · Gamekeeper's thumb is a clinical instability of the first metacarpophalangeal (MCP) joint caused by an insufficiency of the ulnar collateral ligament (UCL) in the MCP of the thumb. Because the stability of the thumb is important for prehension, treatment is directed toward optimizing the healing of the ligament to restore its full function. Thumb Ulnar Collateral Ligament Repair with Suture Tape Augmentation. Lee SJ(1), Rabinovich RV(1), Kim A(1). Author information: (1)Department of Orthopaedic Surgery, Lenox Hill Hospital, New York, NY, USA. Collateral ligament injuries cause instability of thumb grip and pinch; most frequently, the ulnar collateral ligament of the metacarpophalangeal joint is affected [1–3, 13, 18–21].

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When the thumb is straight, the collateral ligaments are tight and stabilize the joint against valgus force. If the force is too strong, the ligaments can tear.

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(UCL) Thumb Ulnar Collateral Ligament – (RCL) Radial Collateral Ligament Repair Dr. Bakker’s Post-op Protocol IMPORTANT INSTRUCTIONS FOLLOWING SURGERY: After surgery, your forearm and hand will be in a large bandage and plaster splint. Please DO NOT remove this.

They may even tear completely. This condition, also called skier’s thumb, is an acute sprain or tear of the ulnar collateral ligament (UCL) on the ulnar side of the metacarpal-phalangeal (MCP) joint of the thumb. A related condition, called gamekeeper’s thumb, is a chronic injury that develops over time from repeated stretching of the UCL. The metacarpophalangeal (MCP) joint of the thumb plays an important role in normal hand gripping and pinching. The radial and ulnar collateral ligaments (UCL) are the primary stabilizers to varus and valgus stress on this joint.
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2020-03-07 Partial thickness tear of the left thumb ulnar collateral ligament is seen as a hypoechoic area towards the distal attachment of the ligament at the 1st proximal phalanx. No calcifications or bony avulsions seen.

A Stener lesion is a complete tear of the ulnar collateral ligament (UCL) from the thumb proximal phalanx at the level of the metacarpophalangeal (MCP) joint that is displaced superficial to the adductor pollicis aponeurosis, leading to interposition of the aponeurosis between the UCL and the MCP joint.
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The technical term for a torn ligament in the thumb is an ulnar collateral ligament injury of the thumb. This type of injury occurs more often that most people would imagine. This type of injury is commonly referred to as the gamekeeper’s thumb or skier’s thumb.

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There is also a serious complication of UCL injuries known as a Stener lesion, in which the ulnar collateral ligament is torn, displaced and ultimately caught between the muscle that moves the thumb and the thumb bone. CHAPTER 135 Ulnar Collateral Ligament Tear of the Thumb (Ski Pole or Gamekeeper’s Thumb) Presentation The patient fell while holding onto a ski pole, banister, or other fixed object, forcing his thumb radially into abduction and causing pain at the base of thumb. The metacarpophalangeal (MCP) joint of the thumb is swollen and tender and… Ulnar collateral ligament injuries, especially the chronic attritional tears seen in the skeletally mature, are uncommon in the juvenile and adolescent thrower. 12 If a rupture is present, it most likely is the result of an acute event.