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Updated: Mar 30, 2026

Synovial Fluid Analysis to Identify Osteoarthritis
Published on: October 20, 2022
An Unusual Association: Iliopsoas Bursitis Related to Calcium Pyrophosphate Crystal Arthritis
Marco Di Carlo1, Antonella Draghessi1, Marina Carotti2
1Rheumatology Department, Polytechnic University of the Marche, Jesi, 60035 Ancona, Italy.
Abstract:
A 71-year-old man with osteoarthritis and chondrocalcinosis came to our observation developing a swelling in the groin region after a recent left colectomy for adenocarcinoma. The imaging techniques revealed the presence of an iliopsoas bursitis in connection with the hip. The synovial fluid analysis detected the presence of calcium pyrophosphate (CPP) crystals and allowed the final and unusual diagnosis of iliopsoas bursitis related to acute CPP crystal hip arthritis.
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