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Synovial hemangioma in Hoffa's fat pad (case report)
O Aynaci1, A Ahmetoğlu, A Reis
1Department of Orthopedic Surgery, Karadeniz Technical University, Medical School, Farabi Hospital, 61080, Trabzon, Turkey. fmaynaci@dr.com
Summary
A rare synovial hemangioma in the knee fat pad caused anterolateral pain in a 15-year-old girl. Arthroscopic resection of the tumor resolved the pain, with the patient recovering well.
Area of Science:
- Orthopedic Surgery
- Musculoskeletal Oncology
- Diagnostic Imaging
Background:
- Anterolateral knee pain in adolescents can stem from various causes.
- Synovial hemangiomas are benign vascular tumors that can occur in joints.
- Accurate diagnosis and effective treatment are crucial for favorable outcomes.
Observation:
- A 15-year-old female presented with a 6-month history of anterolateral knee pain and tenderness.
- Magnetic resonance imaging (MRI) indicated a tumor in the anterolateral aspect of the knee joint.
- Initial arthroscopy did not visualize the tumor due to its intra-fat pad location.
Findings:
- The tumor was identified and resected arthroscopically during fat pad shaving.
- Histological examination confirmed the diagnosis of synovial hemangioma.
- The patient experienced complete symptom resolution post-operatively.
Implications:
- This case highlights the importance of considering intra-articular tumors, even when initially obscured.
- Arthroscopic resection can be an effective treatment for synovial hemangiomas in the knee fat pad.
- Early diagnosis and surgical intervention lead to excellent patient outcomes and pain relief.