Early musculoskeletal MRI findings in a cohort of patients with psoriasis in central Greece

Dimitra Alifakioti, Efterpi Zafiriou, Angeliki Roussaki-Schulze, Aikaterini Vassiou, Paschal Thriskos, Marianna Vlychou

Abstract


Purpose: The purpose of the presence cohort study is to investigate the extent of early articular involvement of peripheral skeleton determined by MRI in patients with psoriasis.

Materials and methods: Seventy five (75) eligible patients with psoriasis and nail involvement were assessed according to NAPSI, PASI score and underwent a 3 Tesla MRI study of either hand or foot, depending on the most affected area.

Results: Based on our findings, bone oedema was found in 41% of our patients (31 patients), cysts were found in 9% corresponding to seven patients. Both bone radiological findings were recorded to 7% corresponding to five patients. In soft tissue imaging findings we included mostly the sausage digit and six patients were recorded with this abnormal finding. In the last radiological finding category concerned the joints, erosions were recorded in 26 patients (35%), synovitis in 49 (65%), enthesitis in 44 patients (59%), tendonitis in 36 patients corresponding to 48% of total patients and all the above simultaneously in 15 patients corresponding to 20% of all patients. All patients with positive inflammatory findings were suffering from nail psoriasis and were associated with a high NAPSI score. A statistically significant correlation was found between group 4 with NAPSI score 120-160 and overall imaging findings of either hand (p – 0.03) or foot (p=0.04).

Conclusion: MRI is a useful tool with an important diagnostic role in the detection of early psoriatic arthritis (PsA) of the peripheral skeleton, in a selected group of patients with extensive cutaneous involvement and nail psoriasis. Collaboration between radiologists and dermatologists could prevent the development of psoriasis into PsA and irreversible joint disease.


Keywords


psoriasis, psoriatic arthritis, nail psoriasis, MRI

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References


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DOI: http://dx.doi.org/10.36162/hjr.v7i2.497

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