There is a depression in the patella that causes sharp pain upon pressure?
Hello, Doctor.
I suffered a ligament tear and a meniscus tear due to a car accident and underwent reconstruction surgery.
It has been over a year since the surgery, but I still experience sharp pain when pressing on the middle and lower edges of my patella.
Recently, I noticed a depression in the center of my patella that is not present on my other knee.
Is this normal? Could it be due to the ligament reconstruction where the graft was taken, or is it a result of the impact from the accident? I had an MRI after the surgery, but the doctor did not mention anything specific, although the diagnosis report noted patellar and femoral cartilage softening.
This issue has been troubling me for over a year; any pressure on the patella causes sharp pain, and I am unable to kneel.
I have consulted with doctors and therapists and have undergone rehabilitation, but we still cannot identify the cause.
I am feeling quite desperate.
Thank you for your assistance.
Nìmíng, 20~29 year old female. Ask Date: 2019/03/13
Dr. You Dianqi reply Orthopedics
Hello, I would like to ask you if you used the patellar tendon for your anterior cruciate ligament reconstruction.
If so, it is indeed possible for some individuals to experience postoperative complications.
As for patellofemoral chondromalacia, the typical symptoms include discomfort when going up and down stairs, which seems to be inconsistent with the symptoms you mentioned.
If possible, I encourage you to visit my clinic.
After some examinations and consultations, I hope to provide you with more realistic and valuable advice regarding your current feelings of despair.
Thank you, and I wish you a speedy recovery.
Reply Date: 2019/03/13
More Info
Understanding patellar pain and indentation after knee surgery can be quite complex, especially following significant injuries like ligament tears and meniscus tears. Your experience of persistent pain and the indentation on your patella (kneecap) is not uncommon, particularly after such traumatic events and subsequent surgical interventions.
Firstly, the pain you are experiencing in the central and lower edges of the patella could be attributed to several factors. One possibility is that the pain is related to patellar tendinopathy or patellofemoral pain syndrome, which can occur after knee surgery. This condition is characterized by pain around the kneecap, often exacerbated by activities that put stress on the knee, such as kneeling, squatting, or climbing stairs. The softening of the cartilage between the patella and the femur, as noted in your MRI report, can also contribute to this pain. Cartilage softening, or chondromalacia patellae, can lead to increased friction and discomfort during movement.
The indentation you mentioned on the patella could be a result of several factors. It might be due to changes in the bone structure following the trauma or surgery, such as bone remodeling or atrophy of the surrounding soft tissues. When a ligament is reconstructed, the harvesting of tissue (often from the patellar tendon) can lead to changes in the patellar area, potentially resulting in an indentation. Additionally, if there was any damage to the bone during the initial injury or surgery, this could also manifest as a change in the contour of the patella.
It is essential to consider that the healing process after knee surgery can be prolonged and may not always lead to a complete resolution of symptoms. Factors such as the extent of the original injury, the surgical technique used, and your rehabilitation process all play crucial roles in recovery. If you have been diligent with your rehabilitation but still experience significant pain and functional limitations, it may be worthwhile to seek a second opinion from another orthopedic specialist. They may recommend further imaging studies, such as a CT scan or a repeat MRI, to assess the current state of the patella and surrounding structures.
In terms of management, continuing physical therapy focused on strengthening the quadriceps and improving the range of motion is crucial. Modalities such as ultrasound therapy, electrical stimulation, and specific exercises can help alleviate pain and improve function. Additionally, addressing any biomechanical issues, such as improper alignment or muscle imbalances, can also be beneficial.
If conservative measures do not yield satisfactory results, your physician may discuss other options, including corticosteroid injections to reduce inflammation or even surgical interventions to address any underlying issues with the patella or surrounding structures.
In summary, while the symptoms you describe are concerning and understandably frustrating, they are not uncommon after significant knee surgery. The indentation and persistent pain may be related to a combination of factors, including surgical changes, cartilage softening, and potential tendon issues. A thorough evaluation by a specialist and a tailored rehabilitation program will be essential in addressing your concerns and improving your knee function. Remember, recovery can be a lengthy process, and patience, along with consistent effort in rehabilitation, is key to achieving the best possible outcome.
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