Is Meniscal Volume Critical to Post-meniscectomy Symptoms? A Retrospective Study

1. Background and rationale It is known that a partial meniscectomy of the knee is a risk factor to the development of early osteoarthritis with complaints of pain.
2. Trial objectives and Design 2.1 Trial objectives With this study we would like to investigate whether a certain, critical loss of meniscal volume, is critical to the development of pain.

2.2 Primary endpoints How much volume can be resected peroperatively without developing postoperative pain.

2.3 Secondary endpoints A possible correlation between the resected volume and the severity of the pain. 3. Selection and withdrawal of subjects

3.1 Inclusion criteria

• All patients who were treated with a partial meniscectomy for a meniscal tear and have postoperative MRI's.
• Age between 14 and 50 years old
• Women of child bearing age can be included: the study has no effect on their methods of contraception.