PMID: 18705555Aug 19, 2008Paper

Radiologic case study. Prepatellar Morel-Lavallée lesion

Orthopedics
Michael Ciaschini, Murali Sundaram

Abstract

Although the Morel-Lavallé lesion was originally described over 150 years ago and is a well known entity about the pelvis and femora, its occurrence in the prepatellar region has only recently been reported. While Tejwani et al asserted that prepatellar MLL and prepatellar bursitis can be readily distinguished clinically, the absence of prepatellar MLL from the literature until recently suggests that it may be under-diagnosed. Magnetic resonance imaging can be a helpful adjunct to the clinical examination in diagnosing MLL, primarily by confirming the precise extent of the fluid beyond the expected anatomic margins of the prepatellar bursa. Because both entities are initially treated in the same manner, MRI might be reserved for collections that fail to resolve following conservative therapy or in cases where the diagnosis is questioned. Serial percutaneous aspiration and sclerodesis should be considered in the management of recalcitrant collections or in the initial management of athletes depending on lesion size and range of motion.

References

May 1, 1992·Plastic and Reconstructive Surgery·D A HudsonJ E Krige
Apr 1, 1996·Skeletal Radiology·F DonahueL Ghandur-Mnaymneh
Nov 9, 2005·Magnetic Resonance Imaging Clinics of North America·José M Mellado, Jenny T Bencardino
Jan 5, 2006·The Journal of Bone and Joint Surgery. American Volume·Susan Tseng, Paul Tornetta
Mar 14, 2007·The American Journal of Sports Medicine·Samir G TejwaniJames P Bradley
Mar 23, 2007·AJR. American Journal of Roentgenology·Rodrigo O AguiarDonald Resnick
Feb 14, 2008·Skeletal Radiology·Camilo G BorreroEoin Kavanagh

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Citations

Apr 25, 2012·Skeletal Radiology·Noushin Yahyavi-Firouz-Abadi, Jennifer L Demertzis
May 23, 2014·AJR. American Journal of Roentgenology·Bradley J CarraDillon C Chen
Apr 30, 2013·Radiologic Clinics of North America·Lynne S Steinbach, Kathryn J Stevens
Aug 7, 2016·Case Reports in Orthopedics·Alison ShmerlingMorteza Khodaee

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