{"ops":[{"insert":"A 65 year old lady presents with worsening pain in both knees for 3 years.\n\nShe is unable to walk for more than half an hour at a stretch because of the pain, which is exacerbated by kneeling, squatting, or descending the stairs.\n\nBoth knees are stiff for around 20 minutes after waking up; the stiffness as well as the pain are relieved by resting.\n\nThere is no history of pain, stiffness or restriction of hand movements. Her medical and drug histories are unremarkable.\n"},{"insert":"\n"},{"insert":{"image":"\/storage\/case-images\/pd\/PD-M-177_en.png"}},{"insert":"\n"}]}