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

Updated: Mar 23, 2020
  • Author: Steven N Berney, MD; Chief Editor: Vinod K Panchbhavi, MD, FACS  more...
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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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