Morel Lavallée lesion - ultrasound

Case contributed by Dr Maulik S Patel

Presentation

38 / F. Road traffic accident and injury to right proximal thigh - 2 mths. C/O non-resolving swelling locally. O/E Fluctuation present.

Modality: X-ray

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Modality: Ultrasound

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Case Discussion

There is predominently anechoic lesion in subcutaneous plane of proximal thigh at greater trochanter level. 

Well-defined capsule is noted around lesion.

Solid nodule is noted abutting wall at lower end of the lesion. This probably represents fat lobule. A septa is also present.

History, clinical examination and US Findings favour diagnosis of Morel Lavallée lesion  which is known by many other names such as pseudolipoma, pseudocyst, ancient hematoma, organizing hematoma, chronic expanding hematoma, and post traumatic soft tissue cyst.

Reference : Sonography of Morel Lavallée lesions; J Ultrasound Med 2008; 27: 1077 - 1081

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Case Information

rID: 12701
Case created: 1st Jan 2011
Last edited: 19th Dec 2015
Inclusion in quiz mode: Included

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