Objective: To discuss the unique characteristic of the Morel-Lavallee lesion in comparison to the more common knee traumas.
Clinical Features: Clinical examination and response to care along with MRI were all utilized to appropriately diagnose this case. Intervention and Outcome: Clinical presentation of diffuse anterior knee swelling with distal discoloration, negative orthopedics, and recurrent active swelling without pain or dysfunction along with MRI helped successfully determine the most definitive plausible diagnosis of this specific trauma case.
Conclusion: Although Morel-Lavallee effusion is not a common lesion affecting the knee it should be considered as a possible differential in knee traumas with swelling due to its unique clinical presentation and MRI findings.
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