Table 1: Clinical summary of cases of pes anserinus syndrome caused by osteochondroma.

Case No. Age,
Gender		 Solitary/HME Side Location Modality Size (cm) XP Symptom Duration Resection Final symptom
1 12, M Solitary R Med-post MRI CT 0.8 Pain 2 y + Free
2 13, F Solitary R Med-post MRI 2.0 Pain 2-3 y + Free
3 13, F Solitary L Med-post CT 0.5 Pain, Snapping 6 mo + Free
4 12, F HME R Med-post XP 2.5 Pain 2-3 y + Free
5 15, F HME R Med-post XP 1.5 Pain 2 y – Occasional pain

F: female, L: left, HME: hereditary multiple exostoses, M: male, Med-post: medial-posterior, mo: month, R: right, XP: plain radiograph, y: year.