Stener lesion
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Updates to Case Attributes
FemaleThis patient presented with thumb trauma due to a fall on the ground. Ultrasound shows an absent ulnar collateral ligament along with the formation of a hypoechoic pseudomass abutting metacarpal bonesbone. When the ruptured ligament is displaced over adductor pollicis aponeurosis; there is a pseudomass formation proximal to the joint line and abutting metacarpal bone. It is called asa Stener lesion. No surgical follow up-up is available.
Ulnar collateral ligament of the thumb shows three types of injury.:
Avulsion of distal end of ligament along with a bone flake. There is easily seen on radiographs.
Tear of the collateral ligament
( usually(usually the distal end) with a ligament in situ - deep to adductor pollicisapneurosisaponeurosis. There is no pseudomass formation in this case.Ruptured and displaced
ligementligament over aponeurosis forming a pseudomass. It is known as a Stener lesion. This requires surgicaltreamenttreatment.
-<p>Female presented with thumb trauma due to fall on ground. Ultrasound shows absent ulnar collateral ligament along with formation of a hypoechoic pseudomass abutting metacarpal bones. When ruptured ligament is displaced over adductor pollicis aponeurosis; there is a pseudomass formation proximal to joint line and abutting metacarpal bone. It is called as Stener lesion. No surgical follow up is available.</p><p>Ulnar collateral ligament of thumb shows three types of injury.</p><ol>-<li>Avulsion of distal end of ligament along with a bone flake. There is easily seen on radiographs.</li>-<li>Tear of collateral ligament ( usually distal end ) with ligament in situ - deep to adductor pollicis apneurosis. There is no pseudomass formation in this case.</li>-<li>Ruptured and displaced ligement over aponeurosis forming a pseudomass. It is known as Stener lesion. This requires surgical treament.</li>-</ol><p> </p>- +<p>This patient presented with thumb trauma due to a fall on the ground. Ultrasound shows an absent ulnar collateral ligament along with the formation of a hypoechoic pseudomass abutting metacarpal bone. When the ruptured ligament is displaced over adductor pollicis aponeurosis; there is a pseudomass formation proximal to the joint line and abutting metacarpal bone. It is called a Stener lesion. No surgical follow-up is available.</p><p>Ulnar collateral ligament of the thumb shows three types of injury:</p><ol>
- +<li><p>Avulsion of distal end of ligament along with a bone flake. There is easily seen on radiographs.</p></li>
- +<li><p>Tear of the collateral ligament (usually the distal end) with a ligament in situ - deep to adductor pollicis aponeurosis. There is no pseudomass formation in this case.</p></li>
- +<li><p>Ruptured and displaced ligament over aponeurosis forming a pseudomass. It is known as a Stener lesion. This requires surgical treatment.</p></li>
- +</ol>
References changed:
- Bianchi. Ultrasound Of The Musculoskeletal System. (2007) ISBN: 9788181287038 - <a href="http://books.google.com/books?vid=ISBN9788181287038">Google Books</a>
- Ultrasound of the Musculoskeletal System S. Bianchi, C. Martinoli. First Indian Reprint 2007.
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