Sebaceous cyst - knee

Case contributed by Dr Maulik S Patel

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
Modality: X-ray

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

Modality: Ultrasound

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.

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Case Information

rID: 10078
Case created: 24th Jun 2010
Last edited: 18th Dec 2015
Inclusion in quiz mode: Included

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