The Merchant view is a special X-ray view that shows well the position of the patella in the underlying groove of the trochlea.

merchant view
Supine non-weight-bearing arrangement. The view can also be done in a standing (weight-bearing) position.


The value of the Merchant view

This is a highly valuable view, but the need for the special cassette means that it is often omitted. The Merchant view gives information about congruence with the underlying groove, patellar tilt and lateral patellar displacement.


Imaging and X-rays for patellofemoral pain

Part 6 of a course on Patellofemoral Pain by Dr Ronald Grelsamer of Mount Sinai Hospital in New York.



Discrepancies of Patellofemoral Indices between Supine and Standing Merchant Views. KimT-H, MD, Lee J-S and Oh K-J. Knee Surg Relat Res. 2014 Mar; 26(1): 20–26.

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