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Fig. 7 | Insights into Imaging

Fig. 7

From: Role of diagnostic imaging in psoriatic arthritis: how, when, and why

Fig. 7

Sixty-year-old male with axial and peripheral PsA. Psoriatic spondiloarthropathy in this particular case presents with skip Romanus lesions at different stages. All of them shows bone erosion at the vertebral body corners. Signal intensity of adjacent bone reveals chronology of the lesion: Acute Romanus lesions at the anteroinferior endplate of T4 vertebra shows low signal intensity on T1 wi (a) and high signal intensity on T2 wi (b) due to bony edema. Subacute Romanus lesions at the anteroinferior endplate of T5, T8 and L1 vertebra shows high signal intensity on T1 wi (a, c) and high signal intensity on T2 wi (b, d) in relation to fatty replacement. Romanus lesion at the anterosuperior endplate of L4 vertebra shows chronic features with erosion and sclerosis (arrow head) and peripherally inflammatory changes with bone edema (thick arrow)

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