How is joint aspiration (arthrocentesis) of the finger (metacarpophalangeal joint) performed?

Updated: Nov 06, 2018
  • Author: Steven N Berney, MD; Chief Editor: Vinod K Panchbhavi, MD, FACS  more...
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Answer

The finger is held slightly flexed. The needle is inserted dorsally and either medial or lateral to the extensor tendons. (See the image below.)

Medial approach to aspiration of metacarpophalange Medial approach to aspiration of metacarpophalangeal joint.

For more information, see Metacarpophalangeal Arthrocentesis.


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