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A 44-year-old member asked:

How long will it take to heal a stress fracture under the knee cap?

2 doctor answers3 doctors weighed in
Dr. Frank Holmes
Sports Medicine 23 years experience
It depends...: Stress fractures of the patella or the groove in the femur are relatively uncommon. Healing time depends on many factors: severity of the fracture, age of the patient, compliance with rest and immobilization and whether other negative healing factors are present (smoking, diabetes, etc.). Generally speaking, 8-12 weeks would be typical time for healing.
Dr. Theodore Shybut
Sports Medicine 17 years experience
8+++ wks, maybe more: Stress fractures of the patella are rare and diagnosis is often delayed by months. Nonoperative treatment involves immobilization and protected weight bearing (ie stay off it). Nonop tx is often unsuccessful and then surgery is the recommended. Healing takes 2+ months, often 3-4. You need to be followed closely. See a knee specialist soon. Good luck!

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Last updated Apr 4, 2017

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