PRIMARY OBJECTIVE:
I. To investigate pathological alterations in cartilage and joints in breast cancer patients on aromatase inhibitor (AI)s with and without pain and in healthy control patients.
OUTLINE:
Patients complete a series of questionnaires over 15 minutes about knee function and pain, as well as physical activity. Patients also undergo an MRI of about 60 minutes.
After completion of study, a subset of patients are followed up at 6 months.
