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Insights into Imaging
Fig. 23 | Insights into Imaging

Fig. 23

From: MRI characteristics of cysts and “cyst-like” lesions in and around the knee: what the radiologist needs to know

Fig. 23

Popliteal artery aneurysm: the axial (a) T1-weighted and the sagittal (b) T2-weighted GRE images show a popliteal aneurysm with thrombus and rim-like calcifications. The blood flow creates an artefact (grey arrows) that helps in the diagnosis. Popliteal vein’s varices: the axial (c) and coronal (d, e) fat saturated proton density weighted images demonstrate lobulated cystic lesions (black arrows) in continuity with the popliteal vein consistent with popliteal vein varices. White small arrow in (c) points to the dilated great saphenous vein

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