PMC8331316_01
Right leg prepatellar bursitis with extension of inflammation to the upper medial thigh and lower leg.
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fig1
The direct clinical inspection was notable for right lower extremity diffuse swelling from the midthigh to the foot along with significant erythema (Figures 1 and 2).
Lateral view of the right knee joint revealing right knee prepatellar bursitis with extension of inflammation.
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fig2
The direct clinical inspection was notable for right lower extremity diffuse swelling from the midthigh to the foot along with significant erythema (Figures 1 and 2).
(a) MRI coronal view reveals an area of hypodensity in the prepatellar bursa indicating bursitis (blue arrow). (b) Sagittal T1 view reveals prepatellar bursitis (blue arrow) and abscess (red arrow).
CRIOR2021-3507672.003.jpg
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fig3
The next day, right knee MRI displayed a prepatellar bursa abscess (1 x 13.5 x 6 cm) with surrounding bursitis and myositis (Figures 3(a) and 3(b)).