Posterior cruciate ligament, Orthopedics FAQ

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Understanding Ligament Injuries: Choosing Between Allograft and Autograft

Ligament injury Hello Doctor, I had a car accident last June where my knee suffered an open fracture (bone crack). Initially, I had no issues with rehabilitation after the accident, but recently I've been feeling instability in my knee joint, so I scheduled an MRI. After the...


Dr. You Dianqi Reply:
Hello, the options for ligament reconstruction include autografts, allografts, and synthetic ligaments. Generally, most people prefer autografts. However, if you have a need for rapid recovery and a return to the playing field, allografts may be more ideal. Allografts themselves ...

[Read More] Understanding Ligament Injuries: Choosing Between Allograft and Autograft


Understanding PCL Avulsion Fractures: Healing Status After Six Months

PCL avulsion fracture (six months duration) Hello Doctor: I had a car accident last November and was diagnosed with a PCL avulsion fracture. At that time, I did not undergo surgery and was only immobilized for two months. It has now been six months, and my orthopedic doctor arran...


Dr. Chen Yongxue Reply:
Hello, according to the MRI report you provided, the posterior cruciate ligament has not yet healed (which is actually to be expected). As for the treatment you should pursue, it depends on your daily activities: if you are an active person who enjoys sports, especially those tha...

[Read More] Understanding PCL Avulsion Fractures: Healing Status After Six Months


Recovery After ACL and Tibial Plateau Fracture: When Can You Ride a Motorcycle?

Diagnosis: Tear of the anterior and posterior cruciate ligaments with associated fracture? I had a car accident on January 3rd this year, resulting in a tibial plateau fracture and tears of both the anterior and posterior cruciate ligaments. I underwent surgery where plates and s...


Dr. Chen Yongxue Reply:
Hello, riding a motorcycle is generally fine, but in case of an emergency situation, your affected limb may not be able to react in time. It is advisable not to attempt it before you are able to exercise properly. Thank you.

[Read More] Recovery After ACL and Tibial Plateau Fracture: When Can You Ride a Motorcycle?


Understanding Osteochondritis Dissecans: Treatment Options for Knee Pain

Treatment methods for OCD (Obsessive-Compulsive Disorder) Hello Dr. You, I fell in November 2023 and landed directly on my left knee. Despite ongoing treatment in rehabilitation and traditional Chinese medicine, my pain has not improved. I still experience pain on both sides of t...


Dr. You Dianqi Reply:
Please bring your report to the orthopedic outpatient clinic to consult with the physician. Thank you.

[Read More] Understanding Osteochondritis Dissecans: Treatment Options for Knee Pain


Understanding Patellar Pain After Knee Injury: Causes and Recovery Tips

Patellar pain Hello, doctor. I would like to ask about my condition. After a car accident where I fell and landed on my left side, I experienced pain in my left leg and was unable to fully bend it (it seems like there is pressure behind the knee and around the patella, but I'...


Dr. Shen Boquan Reply:
Hello, due to a car accident, you are experiencing pain in your left knee. There could be many possible reasons for this, including injuries to the anterior cruciate ligament, posterior cruciate ligament, meniscus, or medial and lateral collateral ligaments, or it could simply be...

[Read More] Understanding Patellar Pain After Knee Injury: Causes and Recovery Tips


How to Determine if You Have a Fracture: Expert Insights

Fracture issues Hello Dr. Shen, earlier you responded to my inquiry, but there was an issue with the photo that I couldn't open. It has now been fixed. I would like to ask for your help in determining whether there is indeed a fracture. Thank you!


Dr. Shen Boquan Reply:
Hello, the lateral X-ray of the knee shows a faint trace that may indicate a possible avulsion fracture of the posterior cruciate ligament with minimal displacement. An MRI should provide a clearer view, as sometimes there is no initial displacement that later develops. The physi...

[Read More] How to Determine if You Have a Fracture: Expert Insights


Understanding Posterior Cruciate Ligament Injuries: Symptoms and Recovery

Posterior cruciate ligament (PCL) tear? Recently, I had a motorcycle accident and my knee and calf are swollen and painful. I went to an orthopedic doctor and had an MRI done. Doctor, could you tell me if this is serious? Here are the findings: Examination: Non-contrast MRI of ...


Dr. Shi Guozheng Reply:
A posterior cruciate ligament (PCL) tear occurs when the ligament is torn along with the bone at the back of the tibia, resulting in a type of avulsion fracture. This can be treated surgically using bone screws to reattach the ligament. It is advisable to consult with a physician...

[Read More] Understanding Posterior Cruciate Ligament Injuries: Symptoms and Recovery


Persistent Knee Pain After Years: Seeking Advanced Treatment Options

Pain behind the left knee joint for N years, unable to walk for long periods (about 30 minutes before pain occurs)? 1. I have consulted with the orthopedic departments at Shuang Ho Hospital, Veterans General Hospital, and Tri-Service General Hospital. They have all recommended me...


Dr. You Dianqi Reply:
Pain behind the knee can have various causes, including trauma, sports injuries, knee degeneration, poor posture, prolonged sitting or standing, and damage to the lumbar spine or posterior cruciate ligament. It is advisable to undergo a thorough examination and then treat accordi...

[Read More] Persistent Knee Pain After Years: Seeking Advanced Treatment Options


Understanding MRI Reports: Insights on PCL Injury and Reconstruction

Can you help interpret an MRI report? Right knee MRI consisted of multiplanar T1 and T2 weighted images with multiple sequences showing: > PCL injury, status post PCL reconstruction. > Ligamentous edema of the PCL is noted. > Fluid collection within the knee joint. > ...


Dr. Shi Guozheng Reply:
The MRI results indicate a rupture of the posterior cruciate ligament in the right knee, with edema present in the posterior cruciate ligament following reconstruction surgery.

[Read More] Understanding MRI Reports: Insights on PCL Injury and Reconstruction


Understanding Recovery from Posterior Cruciate Ligament Tear and Fracture

Tear of the posterior cruciate ligament with associated fracture? I would like to ask the doctor, I had a car accident on August 14 and was diagnosed with a torn cruciate ligament and a fracture. The posterior cruciate ligament of the tibia is displaced by about 5mm. It has been ...


Dr. Chen Yongxue Reply:
Hello, due to the fracture, it is necessary to keep the affected area immobilized, which often leads to swelling, numbness, and other discomfort in the lower limbs. This will naturally improve once you begin to engage in weight-bearing activities later on. In the short term, elev...

[Read More] Understanding Recovery from Posterior Cruciate Ligament Tear and Fracture


Understanding MRI and Ultrasound Reports for Knee Injuries

MRI Report and Musculoskeletal Ultrasound Report Hello, Doctor! Below are my MRI and musculoskeletal ultrasound reports. I would like to ask if there are any other issues that require treatment besides the medial collateral ligament (MCL) tear. Note: I am currently undergoing PRP...


Dr. Zhan Xian Reply:
Hello, the report primarily indicates a partial tear of the medial collateral ligament of the left knee and a distal femoral avulsion fracture. Due to the lack of imaging and physical examination, the stability cannot be assessed, and follow-up evaluation in an outpatient setting...

[Read More] Understanding MRI and Ultrasound Reports for Knee Injuries


Understanding Knee Injury Treatments: Surgery vs. Alternative Options

Treatment methods for knee injuries? Four months ago, after exercising, I suddenly found it difficult to squat down the next day. My right knee was somewhat swollen but not painful. A few days later, I visited an orthopedic doctor who drained the excess fluid. After the drainage,...


Dr. Shi Guozheng Reply:
The MRI report did not indicate a meniscus tear, so conservative treatment can be considered. If there is no improvement, we can reassess the situation later.

[Read More] Understanding Knee Injury Treatments: Surgery vs. Alternative Options


Understanding Posterior Cruciate Ligament Injuries: Treatment Options and Recovery

Posterior cruciate ligament (PCL) Hello Doctor, I was in a car accident at the end of March and suffered an open comminuted fracture of my lower leg. After the swelling subsided post-surgery, I noticed a significant indentation in my lower leg when bending my knee. The doctor ass...


Dr. Shi Guozheng Reply:
A complete tear of the posterior cruciate ligament (PCL) cannot heal on its own. Strengthening exercises can help reduce some instability, but surgical intervention is often necessary and should be evaluated by a physician.

[Read More] Understanding Posterior Cruciate Ligament Injuries: Treatment Options and Recovery


Do I Need Surgery for My Right Knee Injury? Understanding MRI Results

Could you please let me know if the report indicates whether surgery is needed (specifically regarding any damage to the cruciate ligaments or meniscus)? Thank you? Hello Doctor, here is my MRI report. Currently, I do not experience pain in my right knee while walking, but it bec...


Dr. Shi Guozheng Reply:
According to the English report, there is no ligament rupture, only a contusion, which can be treated conservatively. It is necessary to continue follow-up with the original treating physician.

[Read More] Do I Need Surgery for My Right Knee Injury? Understanding MRI Results


Exploring the Connection Between Knee Injuries and Scoliosis

The relationship between knee injuries and scoliosis? Hello Doctor: I was in a car accident three months ago, and my left knee directly hit the ground. Since then, whether I am walking or sitting, I often feel a tingling sensation in my knee, similar to water splashing on my foot...


Dr. Chen Yongxue Reply:
Hello, could the numbness and pain in the knee be related to scoliosis? While scoliosis does not typically compress a single nerve, if the curvature is significant, it is recommended to consider surgical treatment after the age of 18.

[Read More] Exploring the Connection Between Knee Injuries and Scoliosis


Understanding Pain Behind the Knee: Causes and Recovery Tips

Pain occurs when bending the leg backward and crossing the legs? I have been seeing a rehabilitation specialist for over three months and have undergone prolotherapy. When the doctor injected high-concentration dextrose into my posterior cruciate ligament, I experienced temporary...


Dr. Shi Guozheng Reply:
It could be tendonitis; resting for about four to six weeks may help to see if it improves.

[Read More] Understanding Pain Behind the Knee: Causes and Recovery Tips


Understanding Your Right Knee MRI Report: Key Findings Explained

Could you help interpret the MRI report? MRI of the right knee without IV contrast showed: - Right PCL: Status post reconstruction of the right PCL. - Right medial meniscus: Intrameniscal tear of the right medial meniscus. - Right LCL: Fluid collection along the right later...


Dr. Shi Guozheng Reply:
The status after right knee posterior cruciate ligament reconstruction requires follow-up with a clinical physician for further evaluation.

[Read More] Understanding Your Right Knee MRI Report: Key Findings Explained


Understanding Deep Knee Pain: Causes and Treatment Options

Deep pain in the popliteal fossa of the knee? Hello, Dr. You. I have undergone physical examinations at multiple hospitals (Veterans General Hospital, Shuanglian, and Chang Gung Memorial Hospital) with no issues found regarding the posterior cruciate ligament. However, during a v...


Dr. You Dianqi Reply:
Hello! It is recommended that you choose a trusted orthopedic surgeon or medical institution to inform the specialist about your condition, allowing the physician to evaluate, diagnose, and arrange for relevant examinations. Thank you.

[Read More] Understanding Deep Knee Pain: Causes and Treatment Options


Chronic Knee Pain: Understanding Deep Popliteal Discomfort and Treatment Options

Deep pain in the popliteal fossa of the knee? Hello Doctor, I have been experiencing knee pain for almost three years now. During this time, I have undergone three MRI scans and had an arthroscopic surgery in early 2021 to remove a bucket handle tear of the meniscus. However, the...


Dr. You Dianqi Reply:
Hello: The MRI report you provided does not mention the meniscus tear you referred to in your text. I may need to review the images or see a third report to provide you with more insights. On the other hand, regarding the popliteal area, the MRI indicates that there is no Baker&#...

[Read More] Chronic Knee Pain: Understanding Deep Popliteal Discomfort and Treatment Options


Understanding Meniscus Tears and ACL Reconstruction: What You Need to Know

Questions regarding the meniscus and posterior cruciate ligament? Hello Doctor: About ten years ago, I had a car accident that resulted in a fracture of the patella in my right knee. It wasn't until last year, after I twisted my knee while playing basketball and underwent an...


Dr. Shi Guozheng Reply:
If the meniscus does not cause the joint to lock, surgery for ligament reconstruction may not be necessary. You can consult with a sports medicine specialist at a medical center to inquire about the current surgical techniques and their effectiveness. It would be clearer to ask t...

[Read More] Understanding Meniscus Tears and ACL Reconstruction: What You Need to Know


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