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
Radiopaque lesion at the medial aspect of the knee joint appears to be in the superficial tissues. No bony abnormality.
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.