Thenar eminence arteriovenous malformation

Case contributed by Christof Igler , 21 Jan 2016
Diagnosis certain
Changed by Henry Knipe, 17 Mar 2016

Updates to Study Attributes

Findings was changed:

Dilated vessels in the thenar region with flow-voids.

Diffuse Diffuse edema and swelling of the the thenar muscles.

Updates to Case Attributes

Title was changed:
ArteriovenousThenar eminence arteriovenous malformation (AVM) of the thenar
Body was changed:

Unilateral extremity swelling is a common emergency setting.

The The most common differential diagnoses include cellulitis, abscess, lymphoedema, and venous thrombosis.

Due to an acute onset within hours, an inflammatory process was primarily suspected.

The key findings in the MRI were dilated vessels with extensive flow-voids.

The The CT shows extensive arteriovenous shunting.

Arteriovenous malformations (AVMs)can can occur anywhere in the body but have a predilection towards the head and neck.  

All that is swollen and red is not an infection. 

  • -<p>Unilateral extremity swelling is a common emergency setting.</p><p>The most common differential diagnoses include cellulitis, abscess, lymphoedema, and venous thrombosis.</p><p>Due to an acute onset within hours,  an inflammatory process was primarily suspected.</p><p>The key findings in the MRI were dilated vessels with extensive flow-voids.</p><p>The CT shows extensive arteriovenous shunting.</p><p><a title="Arteriovenous malformations (AVMs) " href="/articles/arteriovenous-malformations-avms"><strong>Arteriovenous malformations (AVMs)</strong> </a>can occur anywhere in the body but have a predilection towards the head and neck.  </p><p>All that is swollen and red is not an infection. </p>
  • +<p>Unilateral extremity swelling is a common emergency setting. The most common differential diagnoses include cellulitis, abscess, lymphoedema, and venous thrombosis.</p><p>Due to an acute onset within hours, an inflammatory process was primarily suspected.</p><p>The key findings in the MRI were dilated vessels with extensive flow-voids. The CT shows extensive arteriovenous shunting.</p><p><a href="/articles/arteriovenous-malformations-avms">Arteriovenous malformations (AVMs)</a> can occur anywhere in the body but have a predilection towards the head and neck.  </p><p>All that is swollen and red is not an infection. </p>

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