08 September 2025
: Case report 
Adolescent Morel‐Lavallée Lesions: A Case Report of Challenges in Diagnosis and Management in Atypical Locations
Challenging differential diagnosis, Rare disease
Brendon C. Chou
ABCDEF 1*, Jason M. Reiter BDEF 2, Myron M. Georgei BDEF 1, Peter C. Wei BDEF 1, Mariam W. Fahim ABDEF 1
DOI: 10.12659/AJCR.948545
Am J Case Rep 2025; 26:e948545
Figure 3 MRI of the right tibia-fibula taken during initial presentation, including A) axial, T1-weighted; B) axial, proton-density fat saturation; C) coronal, short-tau inversion recovery (STIR). The Morel-Lavallée lesion is visible at the lateral leg, with a nonencapsulated fluid collection (green arrow) dissecting between the deep fascia and subcutaneous fat (red arrow) anterolaterally, measuring 1.5×3.9 cm and spanning 15 cm in the craniocaudal dimension, with fat globules (red arrowhead).