Solitary subcutaneous sarcoidosis with massive chronic prepatellar bursal involvement.
case_report · Level V
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Abstract
A 56-year-old man presented with a painless prepatellar mass of the left knee. MR images demonstrated a large, well-defined mass with heterogeneous intermediate signal intensity on T1- and proton density-weighted images. Mild, heterogeneous enhancement was noted after the intravenous administration of gadolinium. Diagnostic imaging included atypical soft-tissue infection, fibrogranulomatous reaction, gouty tophus, rheumatoid nodule and xanthoma or possibly malignancy. The histopathological examination revealed sarcoidosis involving the prepatellar bursa.
Medical subject headings
- Bursa, Synovial
- Connective Tissue Diseases
- Knee
- Sarcoidosis
Anatomy
- knee