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MRI findings of concurrent acute DVT and dissecting popliteal cyst
M L Lazarus1, C E Ray, C G Maniquis
1Department of Diagnostic Radiology, University of Illinois College of Medicine, Chicago.
Abstract:
A case of concurrent popliteal vein thrombosis and a dissecting popliteal cyst noted on the same MRI exam is described. Pseudothrombophlebitis is a well known entity in which a ruptured or dissecting popliteal cyst clinically mimics thrombophlebitis; the current case can be considered "pseudo-pseudo thrombophlebitis." This case demonstrates the importance of routine review of the venous structures of the posterior fossa for all MRI exams of the knee.
Insights
A rare case revealed simultaneous popliteal vein thrombosis and a dissecting popliteal cyst on MRI. This highlights the need to examine knee MRI venous structures to avoid misdiagnosis of thrombophlebitis.
Area of Science:
- Radiology
- Vascular Imaging
- Orthopedic Imaging
Background:
- Popliteal cysts can rupture, mimicking deep vein thrombosis (pseudothrombophlebitis).
- Concurrent popliteal vein thrombosis and dissecting popliteal cyst are rarely reported.
- Accurate diagnosis is crucial for appropriate patient management.