The popliteal groove region: A new target for the detection of monosodium urate crystal deposits in patients with gout. An ultrasound study

Joint, Bone, Spine : Revue Du Rhumatisme
Andrea Di MatteoWalter Grassi

Abstract

To determine the prevalence of the ultrasound findings indicating monosodium urate crystal deposits at the popliteal groove region in patients with gout; to evaluate the diagnostic accuracy of ultrasound in detecting monosodium urate crystal deposits at the popliteal groove region, patellar tendon and the knee hyaline cartilage; to investigate the correlation between the ultrasound findings at the popliteal groove region and the clinical features. Bilateral ultrasound assessment of the popliteal groove region, patellar tendon and femoral condyles' hyaline cartilage was performed on 47 consecutive patients with gout and 37 controls. The ultrasound findings indicating monosodium urate crystals (aggregates, tophi and "double-contour" sign) were identified according to the Outcome Measures in Rheumatology definitions. One or more ultrasound abnormalities (aggregates and/or tophi) were found in at least one popliteal groove region in 23 out of 47 patients with gout (48.9%) and in 4 out of 37 controls (10.8%) (P < 0.001). Sensitivity, specificity and diagnostic odds ratio of the ultrasound findings at the popliteal groove region, patellar tendon and at the femoral condyles' hyaline cartilage were 0.49/0.89/7.9, 0.62/0.81/6.9 and 0.30...Continue Reading

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Citations

Jun 21, 2020·Current Rheumatology Reports·Andrea Di MatteoRichard J Wakefield
Aug 23, 2020·Joint, Bone, Spine : Revue Du Rhumatisme·Richard J WakefieldAndrea Di Matteo
Mar 9, 2021·Arthroscopy Techniques·Justin W ArnerJonathan A Godin
Feb 20, 2019·Joint, Bone, Spine : Revue Du Rhumatisme·Andrea Di MatteoWalter Grassi
Oct 6, 2020·Best Practice & Research. Clinical Rheumatology·Emilio FilippucciRalf G Thiele

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