Presentation
Well-defined painless swelling on medial aspect of the knee for 6 months. Gradually increasing in size. Redness of overlying skin for last few weeks.
Patient Data
Age: 20 years
Gender: Male
From the case:
Sebaceous cyst - knee
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Radiopaque lesion at the medial aspect of the knee joint appears to be in the superficial tissues. No bony abnormality.
From the case:
Sebaceous cyst - knee
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Lesion is in the subcutaneous plane. It is well-encapsulated lesion. No internal vascularity is seen. Echogenic strands were seen. However, no calcification present. No intra-articular extension. No relation to medial collateral ligament.
Case Discussion
Intraoperatively, the lesion was subcutaneous and was completely resected. Operative diagnosis was a sebaceous cyst, which was confirmed on histopathology.