The classic bone marrow edema pattern seen following the pivot shift injury involves the posterolateral tibial plateau and the midportion of the lateral femoral condyle. Edema occurs in the anterior aspect of the proximal tibia following the dashboard injury The bone contusions on the lateral femoral condyle, lateral aspect of the tibial plateau, medial femoral condyle, and medial aspect of the tibial plateau were documented. The injury to MCL was also observed with MRI. The tears of the lateral meniscus and medial meniscus were detected during arthroscopy in a posteriorly located contusion of the femoral condyle (long arrow). The bone contusion also involves the pos-terior aspect of the lateral tibial plateau (short arrow). (c) Sagittal T2-weighted fast SE MR image obtained with fat saturation of a 28-year-old man after pivot shift injury. The knee was in a state of minimal flexion at injury.
In ACL tears, bone bruises are mainly seen in the lateral tibial plateau (outer top edge/surface of tibia) and femoral condyle (lower end of the femur), which is consistent with the valgus (outward force) mechanism of injury In three cases (table 2, cases 14, 15, and 16), the bone contusion was located on the lateral femoral condyle (type I and type II) and on the posterior lip of the medial tibial condyle (type III) The pattern of bone bruise in knee injuries (a.k.a. bone contusion) can give clues for the mechanism and associated injuries.. Radiographic features. Five classic bone contusion patterns have been described 1-4:. pivot-shift injury. valgus stress to flexed and externally rotated knee; contusion pattern: posterolateral tibial plateau and mid part of lateral femoral condyle Shelby Miller The popliteus originates on the lateral femoral condyle and is involved in rotation of the knee joint. Femoral condyles are the pair of round bony protrusions emanating from either side of the bottom of the femur bone in the thigh. Palpable to either side of the knee joint when it is bent, they are known specifically as the medial and lateral femoral condyles Bone marrow edema is a condition when excess fluids in the bone marrow build up and cause swelling. It is often caused by a response to an injury, such as a broken bone or a bruise, or a more chronic condition such as osteoporosis. Bone marrow edema most commonly occurs in the hips, knees and ankles. In this case, bone marrow edema of the knee.
Three cases with fabella syndrome with chondral and subchondral edema signal at the posterior aspect of the lateral femoral condyle. Two cases with symptomatic bipartite patella showing marrow edema around the patellar synostosis. One case with proximal tibio-fibular synostosis evident on MRI as bony fusion Hello, I need help coding bone bruise, lateral femoral condyle, right knee. Anyone that could help me out on this I really appreciate it. Thanks. A. ajs True Blue. Local Chapter Officer. Messages 1,086 Location Tacoma, WA Best answers 0. Dec 15, 2011 #2 tammynghc said , specifically, that in the lateral tibial plateau, the size of the bone marrow edema pattern at baseline was significantly associated with increased cartilage loss at one, two, and three years; in the lateral femoral condyle, there was a similar association at one and two years but not at year three
Lastly, when the radiologist identifies bone marrow edema pattern involving the medial border of the patella and the lateral border of the lateral femoral condyle, a patellar dislocation-relocation injury has occurred (Fig. 3). Additional patterns of marrow edema within the knee, and corresponding mechanisms of injury are detailed in Table 1 . In many instances, the mechanism of injury can be determined by studying the distribution of bone marrow edema, which then enables one to predict with accuracy the specific soft-tissue abnormalities that.
. The patient was proposed to undergo an arthroscopy, primarily to deal with the meniscal injury but he was reluctant to proceed There is some bone marrow edema involving the lateral femoral condyle, There is mild thinning and irregularity of the posterior patellar articular cartilage 1. Large joint effusion. 2. Bone contusion in the lateral femoral condyle. 3. Grade 1 sprain of the medial collateral ligament. 4. Mild subluxation of the patella relative to the distal femur
injury show a marrow contusion pattern of the lateral femoral condyle and tibial plateau. Lastly, when the radiologist identifies bone marrow edema pattern involving the medial border of the patella and the lateral border of the lateral femoral condyle, a patellar dislocation-relocation injury has occurred (Fig. 3). Additional patterns o Bone marrow edema just doesn't show up for no reason. That is an unusual location for a stress fracture. If there is no recent trauma avascular necrosis is a possibility. At least there is no internal derangement, meaning the ligaments, tendons and menisci are normal. I would exercise as much as the pain allows you to The femur (thigh bone), with the knee end of the femur forming two cartilage-covered compartments known as the femoral condyles; Patella (kneecap) Tibia (shin bone) Figure 1: Anatomy of the Knee. Osteonecrosis of the knee is most commonly seen in the femoral condyle, usually on the inner side of the knee (the medial femoral condyle)
A lateral tibial and femoral bone bruise was most commonly present in patients (77.5% and 62.5%, respectively). A medial femoral bone bruise was found in only 12.5% (5/40) of patients. The initial contusion area significantly correlated with increasing chondral wear over time in the tibia and lateral femoral condyle (P < .001) Treatments. In many cases, bone marrow edema will go away with rest, therapy, and pain meds like nonsteroidal anti-inflammatory drugs ().You may have to rest for several months to feel better
mri with dx of bone marrow edema within the left lateral femoral condyle partially imaged on the exam Findings There is T1 hypointensity and T2 hyperintensity with in the left lateral femoral condyle. read mor (I know I tore the menniscus in 2005, but not sure what its saying here) Approx 1 cm AP dmension by 0.5 cm transverse dimension well-defined high-grade chondral defect along the more posterior weightbearing lateral femoral condyle (wthout subchodral bone marrow edema); adjacent smaller high-grade partial-thickness chronic less well-defined. The medial condyle of the distal femur is most susceptible to getting bruised when the femur and tibia become compressed or jammed. Diagnosis and Treatment. A femoral bone contusion can mimic other injuries such as fractures, knee sprains, meniscus tears and muscle/tendon ruptures. A definitive diagnosis is made with an X-ray or MRI of the knee. Bone marrow edema is commonly seen with fractures and other serious bone or joint injuries, especially those involving the spine, hip, knees, or ankle. Within the context of an injury, the term is relatively non-specific and may refer to an accumulation of fluid or blood or the build-up of fluids resulting from fibrosis (scarred tissue) or. There were almost as many (68 per cent) of corresponding bone bruises along the lateral femoral condyle. The femoral condyle is the round end of the bottom of the femur. There is a lateral and a medial femoral condyle (one on each side of the femur). The femur forms the upper part of the knee joint. In a smaller number of cases, there was.
Unlike adults, the classic pattern of bone marrow edema involving the lateral femoral condyle and posterolateral tibial plateau (kissing contusions) is not always associated with an ACL tear in pediatric patients, owing to normal ligamentous laxity Fig. 5-A Coronal T2-weighted image with fat suppression, demonstrating bone marrow edema in the medial femoral condyle and a lateral meniscus tear. Fig. 5-B Sagittal T2-weighted image with fat suppression, showing bone marrow edema in the medial femoral condyle Bone marrow edema is now usually referred to as bone bruise to reflect the traumatic nature of the condition. A bone bruise is sometimes called bone contusion. The following can cause bone. Bone bruise patterns are commonly seen after acute anterior cruciate ligament injuries; they represent a subchondral impaction injury that occurs in the lateral knee joint between the mid-lateral femoral condyle and the posterior lateral tibial plateau. These contusion patterns are present in the majority of noncontact ACL injuries Figure 6-1 Bone contusions on magnetic resonance imaging (MRI). Coronal T1- and coronal fat-suppressed T2- weighted images demonstrate a focal area of low signal intensity within the bone marrow in the subarticular region of the lateral femoral condyle on T1-weighted imaging (black arrow) with a corresponding region of increased signal intensity involving the same region on T2-weighted imaging.
Restored Lateral Femoral Condyle (LFC) convex contour and bone marrow oedema resolution can be seen. (C) Lengthened LFC and bone marrow oedema resolution can be seen. Lateral Meniscus (LM) is not elevated and remains in contact with LFC and Lateral Tibial Condyle (LTC) Normal ossification variability occurs at the posterior femoral condyle with extension beyond the immediate subchondral bone and lacks marrow edema. This can be contrasted by osteochondritis dissecans, which may occur at the intercondylar region, involves the immediate subchondral bone, and usually demonstrates marrow edema [ 29 ] It will tell us the site and the size of the cartilage defect. It will also show us whether there is stress in the underlying bone. This is an MRI scan in a person who has knee pain and intermittent swelling. MRI confirmed a full thickness cartilage defect in the lateral femoral condyle (2a) In this case, it is the bone bruise within the anterolateral aspect of the lateral femoral condyle (long arrow) and the edema adjacent to the medial femoral condyle (arrowhead) that are the key to the diagnosis. Diagnosis. Transient lateral patellar dislocation
PURPOSE: To determine how often lateral-compartment bone contusions are seen on magnetic resonance (MR) images of knees in adolescents with intact anterior cruciate ligaments (ACLs). MATERIALS AND METHODS: MR images obtained in 53 adolescent patients (30 male, 23 female; aged 10-20 years) were reviewed to detect bone contusions in the posterolateral tibial plateau or the lateral femoral condyle Bone marrow edema can be seen in a number of different conditions. While the term edema implies fluid in the area, there are actually many different conditions that can cause this MRI finding. This can be seen in osteoarthritis in bone under areas where cartilage is damaged; in rheumatoid arthritis edema may precede an erosion. MRI showed bone marrow edema involving the lateral femoral condyle with complete resolution of the bone marrow edema of the medial femoral condyle. He was treated conservatively with NSAIDs and physiotherapy and advised to use cane to minimize weight bearing on the diseased knee
The types of co-existent injuries are dependent on the mechanism of injury. In a 'pivot shift' injury, the ACL injury is characteristically associated with bone marrow changes ('bone bruise') in the lateral femoral condyle and posterolateral tibial plateau as a result of the associated impaction injury of these bones Bone Marrow Edema Signal. Increased T2-weighted signal from the subchondral bone marrow is a frequent finding in acute traumatic osteochondral injury  as well as in the setting of chronic osteochondral injury, or osteoarthritis [87-89]. Similar alteration in bone marrow signal intensity are observed following high intensity exercise or with. bone bruising involving the medial aspect of the medial femoral condyle. partial thickness tear of the medial collateral ligament adjacent to the fem. Answered by Dr. Forrest Jones: Orthopedic followup: Sounds like a traumatic injury, athletic or other.. FIGURE 2. Sagittal, fat-suppressed, proton density-weighted magnetic resonance image of the left knee demonstrating a focal indentation of the anterior portion of the medial femoral condyle (orange arrow) with associated bone marrow edema (kissing contusions) involving the medial femoral condyle and medial tibial plateau (black arrow)
Coronal (A) and sagittal (B) T2-weighted, fat-suppressed MRI of the right knee 58 days after injury. There is diffuse marrow oedema throughout the lateral femoral condyle and a minimal lateral femoral condylar depression (arrow) consistent with a subchondral insufficiency fracture This injury is commonly associated with a well documented kissing contusion pattern of edema within the anterior lateral femoral condyle and posterior lateral tibial plateau. However, the presence of marrow edema within the non-weight bearing medial femoral condyle has only seldom been reported and the mechanistic cause of the injury.
0. Jun 6, 2019. #1. We have supporting documentation from the CPT Assistant to use CPT code 29855 for the DX of a fracture of the tibial plateau when a subchondroplasty (Injection of Accufill bone filler) is performed. However, if the procedure is performed on the femoral condyle for any DX, the code has to go unlisted as 27509 Bone marrow edema was noted in a pivot shift injury pattern 1 involving the lateral femoral condyle and the lateral tibial plateau (FIGURE 2, FIGURE 3); there was also a fracture of the posterior lateral tibial cortex at the site of the bone marrow edema. The anterior cruciate ligament fibers were intact and attached to the avulsed tibial spine. considered to be microfractures of the trabecular bone due to the inability of weakened subchondral bone to tolerate the physiological load to which it is subjected (1). This understanding is based on a study by Yamamoto et al. (2), who detected subchondral bone fractures in the femoral condyle of patients diagnosed with osteonecrosis (1). Sinc Subchondroplasty for the Treatment of Post-Traumatic Bone Marrow Lesions of the Medial Femoral Condyle in a Pre-Clinical Canine Model Olubusola A. Brimmo,1 Chantelle C. Bozynski,1,2 Cristi R. Cook,1,2 Keiichi Kuroki,1,2 Seth L. Sherman,1 Ferris M. Pfeiffer,1,2 Aaron M. Stoker, 1,2James L. Cook 1Department of Orthopaedic Surgery, University of Missouri, Columbia, Missouri, 2Thompson Laboratory.
A clip injury is related to valgus stress to the knee and results in a dominant contusion within the lateral femoral condyle from direct impaction, along with a smaller focus of bone marrow edema within the medial femoral condyle related to avulsive force at the origin of the medial collateral ligament Post #53 of 67 (5997 views) I received the MRI report from the scan lab. Below are the relevant findings: 1 - Minimal inflamamation of the suprapatellar fat pad is present. 2 - The patellofemoral cartilage demonstrates trace surface fibrillation. 3 - Osteoedema is localized to the posterolateral aspect of the lateral femoral condyle and bone marrow oedema can be seen on lateral femoral condyle (LFC). (B) Coronal view. LFC frac-tureand bone marrow oedema can be seen as well. Lateral Meniscus (LM) is elevated without contact withLFCnorLateralTibialCondyle (LTC). Such lesion leads to bony knee instability, causing the risk of ACL reconstruction failure and meniscal tears to. A femoral condyle is the ball-shape located at the end of the femur (thigh bone). There are two condyles on each leg known as the medial and lateral femoral condyles. If there is a fracture (break) in part of the condyle , this is known as a fracture of the femoral condyle Fig. 2: Coronal fat-supressed PD MRI (A,B,C) and scheme (D), three different cases that show bone marrow edema in the lateral femoral condyle and posterolateral aspect of the tibial plateau, full-thickness rupture of the proximal third of the ACL and complete rupture of the distal insertion of the MCL with increased joint fluid and soft tissue edema
the mechanism of injury. In a 'pivot shift' injury, the ACL injury is characteristically associated with bone marrow changes ('bone bruise') in the lateral femoral condyle and posterolateral tibial plateau as a result of the associated impaction injury of these bones. Patients with both an ACL injury and disruption of the 'posterolatera Subcentimeter intra-articular body just superior to the anterior horn of the lateral meniscus.4. Bone marrow contusion pattern consistent with pivot-shift injury. There is mild subchondral impaction of the lateral femoral condyle weight-bearing surface. Final diagnosis with highlights mentioned. McGovern Medical Schoo A femoral condyle is the ball-shape located at the end of the femur (thigh bone). There are two condyles on each leg known as the medial and lateral femoral condyles. If there is a fracture (break) in part of the condyle, this is known as a fracture of the femoral condyle. Physiotherapy is very important during the rehabilitation following a. Lateral Femoral Condyle Bone Bruise with ACL tear • 77% of ACL injuries will have some type of LFC or LTP bone bruise • Traumatic pivot shift. Medial Femoral Condyle Bone Marrow Oedema. Traumatic bone bruise patterns, mechanism, and injuries. First bullet point here Second bullet point her Bone marrow stimulation techniques were ﬁrst descri- the weight-bearing portion of the lateral femoral condyle in a 24-year-old woman. Sports Med Arthrosc Rev Volume 25, Number 1, March 2017 Failure of Bone Marrow Stimulation Techniques Knee Injury and Osteoarthritis Scores, isokinetic muscle strength, reoperation rates, o
• MRI findings: bone marrow edema in lateral femoral condyle and lateral tibial plateau ( Fig. 4 on page 19). Fig. 4: Coronal fat-supressed PD MRI of three different patients and scheme (D) pointing out the bone marrow edema in the femoral condyles. (A) Full-thickness tear of the MCL in its femoral insertion the anterior horn of the lateral meniscus. The lateral tibial plateau bone bruise is posterior. This T2-weighted image highlights the bone edema, indicating a recent event. Figure 2. Bone bruise pattern at acute patellar dislocation with lateral side of lateral femoral condyle best seen on axial images and medial patella. Again, this T2-weighte The patients were aged 39 to 56 years (mean, 49.2 years). In all patients, bone marrow edema (BME) initially observed on magnetic resonance imaging (MR imaging) shifted within the same joint, i.e. from the medial to the lateral femoral condyle or the adjacent bone extensive bone marrow endema consistent with bone contusion and probable micro fractures of the lateral tibia plateau was listed in my mrui report for left knee. aslo bone marrow endema with irregularity of the articular surface and loss of articular cartlidge in the lateral femoral condyle The bone bruises, as evidenced by increased signal within the marrow, is likely caused by anterior subluxation of the tibia at the time of tear of the ACL accompanied by impaction of the middle portion of the lateral femoral condyle against the posterior portion of the lateral tibial plateau
Bone marrow is the sponge like substance inside your bones responsible for making blood cells, including red blood cells, white blood cells and platelets. Bone marrow edema is a general term used to describe a painful build up of fluid within the bone marrow, usually seen during an MRI—a magnetic resonance imaging scan Sandra Koehler A diagram of the anatomy of a bone, showing the bone marrow in red. Bone marrow edema (BME) occurs when excess fluids in the bone marrow buildup and cause swelling. This condition is often caused by a protective reaction of the body in response to an injury or inflammation; when the body is injured, blood cells are sent to the place of injury, which may cause a buildup of fluids.
femoral condyle involvement in 80% of cases, lateral femoral condyle in 15%, and patellofemoral in 5%.27,36 The lateral aspect of the medial femoral condyle is the classic site of the OCD lesion. In addition to the knee, OCD has the propen-sity of occurring in the elbow, wrist, and ankle.2,10,5 Bone bruise was seen in 39 (33%) out of 120 patients who had been submitted to MR imaging. In 15 patients bone bruise was located on femoral condyles. Out of these 15 pa-tients, in 13 patients bone bruise was on lateral femoral con-dyle and in 2 patients on medial femoral condyle (Figure 1a- c). In 11 (28%) patients bone bruise was located on. Bone marrow lesions (BMLs) are localized areas of edema within subchondral bone, which are often due to early chondromalacia changes, subchondral insufficiency stress or microfractures, and/or avascular necrosis. The presence of BMLs worsen outcomes after arthroscopy and arthroplasty, thus making their management important in the preservation of hip function An interesting pattern of bone marrow contusion can be seen with traumatic dislocation of the patella. After the patella dislocates laterally when the knee is in hyperextension, the quadriceps contracts, jamming the medial patellar facet against the lateral femoral condyle, resulting in bone marrow edema on both surfaces (Figure 10B)
ligament injury (17). In addition, the lateral femoral condyle and lateral tibial plateau were found to be more common in patients with non-contact anterior cruciate ligament injuries than those with contact injuries (6). Bone contusions are often present in the posterior side of the tibial platea MRI demonstrated a 22 × 20-mm chondral defect originating from the lateral femoral condyle that was now sitting in the femoral notch (Figures 2a and 2b). Likewise, the lateral femoral condyle showed a full thickness defect with no evidence of injury to the subchondral bone . There was no evidence of injury to the patellar cartilage or medial. hyperextension knee injury when playing football. (a) An area of increased signal intensity (+) is present in the bone marrow in the medial condyle of both the femur and tibia in a sagittal T2-weighted spin-echo (TR/TE 2000/60) image. (b) The lesions were also depict- ed in an oblique GRASS-image (TR/TE 700/31; flip angle 30) Single bone contusions are seen more often (55/225 (21.5%)). Type I lesions seem to be most common on the lateral femoral condyle and type III on the lateral tibial condyle.Take home message N Bone contusion of the knee is substantiated by MRI studies However, it may also occur on the outside of the knee (lateral femoral condyle) or on the flat top of the shinbone (tibial plateau). Osteonecrosis of the knee occurs most often in the medial femoral condyle, a segment of bone located at the lower end of the femur (thighbone)
The following technique describes free-hand technique for a patient with bipolar (kissing) bone defects of the medial femoral condyle and tibial plateau. The same basic steps can be used for lateral compartment defects, or for single compartments MRI of osteochondral defects of the lateral femoral condyle: incidence and pattern of injury after transient lateral dislocation of the patella Sanders, TG; Paruchuri, NB; Zlatkin, MB Bone marrow edema in the knee in osteoarthrosis and association with total knee arthroplasty within a three-year follow-u Bone marrow contusion was noted in lateral femoral condyle in 15 cases (38.5%) and involving lateral and medial femoral condyle in 24 cases (61.5%). Contusion in medial femoral condyle occurs secondary to the avulsion to medial collateral ligament from site of attachment at medial femoral condyle . Most common type/mode of injury in clip injury. The cartilage is damaged by impact: in the case of an ACL tear, the tibia damages the lateral femoral condyle in a characteristic spot of contact (a so-called kissing lesion). Patellar dislocation can cause cartilage damage either as the bone goes out of place or when it is reduced (returns to the trochlea) According to the Hospital for Special Surgery, the medial femoral condyle is the inside of the knee, and health issues dealing with it can be treated. Osteonecrosis of the medial femoral condyle can be treated in a variety of ways depending on the stage of the disease. Osteonecrosis, or bone death, of the medial femoral condyle is treated.
The sagittal fat-saturated T2 images show a completely disrupted anterior cruciate ligament (red arrow) as well as a reciprocal marrow edema pattern at the posterior aspect of the lateral tibial plateau (green arrow) and anterior aspect of the lateral femoral condyle (orange arrow), consistent with a recent pivot shift injury Osteochondral cores were used to restore the contour of articular cartilage in 13 patients with large lesions of the lateral femoral condyle (n = 5), medial femoral condyle (n = 7) and patella (n = 1). Autologous cultured chondrocytes were injected underneath a periosteal patch covering the cores Drawing demonstrates transient lateral dislocation of the patella, which results in impaction of the medial patellar facet against the lateral femoral condyle. The crosshatched regions reveal the typical areas of bone contusion involving the inferomedial patella and the anterolateral femoral condyle Note also bone marrow edema in the middle third of the lateral femoral condyle and posterolateral tibia due to an ACL tear (not shown on these images). Axial FS T2-WI (C) shows an irregularly delineated tear at the periphery of the inner third of the posterior horn of the lateral meniscus with presence of the so-called zip sign (black arrow) Edema and thickening compatible with tears of the MPFL and medial retinaculum (red arrows) are apparent both anteriorly and posteriorly. A bone bruise of the lateral femoral condyle (asterisk) and an abnormally shallow trochlear groove (red line) are also indicated. 44. Intercondylar tibial eminence fracture
inversion-recovery). Coronal plane shows a multiloculated cystic area (red circle) in the lateral femoral condyle with proximal bone marrow edema. (B) Right knee magnetic resonance image, non-fat-saturated T2 weighted. Axial plane image shows the cystic area (red circle) used for localization and planning of procedure. 2.3. Patient Settin include the classic anterior lateral femoral condyle and posterior lateral tibial plateau bone contusions due to impaction at the time of instability (Fig 2). The patient was managed conservatively with physiotherapy and returned to skiing the following year with a customised knee brace. The medial collateral ligament (MCL) is the most commonly.
Sagittal MRI of the knee demonstrates the deep lateral notch (red arrows) on the lateral femoral condyle. There is evidence of bone marrow edema (blue arrows) on both the femoral condyle and posterior tibia. These are the area that both bones impacted on each other. You could define this as a kissing contusion Human bone-marrow stromal cells are believed to be multipotent even in adults. This study assessed the effectiveness of autologous bone-marrow stromal cells, which were embedded within a collagen scaffold, to repair a full-thickness articular cartilage defect in the medial femoral condyle of an athlete Sagittal T2-weighted image of the knee 2 weeks after injury demonstrates a kissing bone contusion in the lateral femoral condyle (arrowhead) and lateral tibial plateau (arrow). View Media Gallery Sagittal T2-weighted image 1 year after injury reveals a subchondral cyst (arrow), an articular defect in the lateral tibial plateau, and a large knee. the highest incidence of anterior knee pain (up to 10-30%) and kneeling pain. maximum load to failure is 2600 Newtons (intact ACL is 1725 Newtons) complications. patella fracture (usually postop during rehab), patellar tendon rupture. re-rupture. associated with age < 20 years and graft size < 8mm While examining the tibiofemoral joint, we need to look at the contours of the bone, bone marrow and articular cartilage. While evaluating the bone marrow, we should look for any sign of edema, contusion, tumor or fracture. On T1, a normal bone marrow is higher in intensity, appearing bright, while on T2 it is low in intensity and appears dark.
The terms bone contusion, bone bruise, and bone marrow edema have appeared in published reports for at least a decade and and pregnancy. One patient who had a benign osteolytic lesion involving the lateral femoral condyle was excluded. Bilateral knee DECT was performed in 4 patients. The final data for analysis were 26 knee joints in. A Bone bruise is usually present in conjunction with an ACL injury in more than 80% of cases. The most common site is over the lateral femoral condyle. The bone bruise is most likely caused by impaction between the posterior aspect of the lateral tibial plateau and the lateral femoral condyle during displacement of the joint at the time of the.
Tibiofemoral bone contusions on the lateral side were more common in patients with non-contact anterior cruciate ligament injuries than tibiofemoral bone contusions on the medial side. Second, the most common distribution pattern for bone contusions on the lateral femoral condyle and the medial femoral condyle was the CL Posteriorly, the condyles are separated by a deep intercondylar fossa. The articular surface of the lateral condyle is broader and flatter than the medial condyle, while the medial condyle is more convex and extends farther distally, to give the knee 7-11º of physiologic valgus. The femoral shaft is aligned over the anterior half of the condyles
The bone marrow edema was spreading from the lateral side of the femoral head to the trochanteric area (Figures 1(b) and 1(c)). No labral lesions were observed, although the labrum at the lateralized rim was noted to be small and thin (Figure 1(d)). The main lesion was observed at the antipodes of lateralized acetabular rim. The bone mineral. Bone impaction sites were present in the posterolateral tibial plateau in 30 patients (94%) and in the lateral femoral condyle (LFC) in 29 patients (91%). The bone abnormalities had low signal intensity on T1-weighted images and high signal intensity on T2-weighted images when compared with the signal intensity of normal marrow Lateral tibiofemoral compartment: The lateral compartment articular surfaces are normal. BONE MARROW: There are extensive bone contusions involving the distal femur and proximal tibia. There is a nondisplaced Salter II fracture through the distal femoral growth plate with fluid within the growth plate an The medal and lateral collateral ligament are intact. There continues to be signal in the femoral attachment of the medial collateral ligament consistent with previous injury. There is some degeneration involving the lateral meniscus but no discrete tear is identified. The medial meniscus is intact. The bone marrow signal is normal After discussing the radiographic findings with a radiologist, the physical therapist ordered magnetic resonance imaging, which revealed a focal indentation of the anterior portion of the medial femoral condyle with adjacent bone marrow edema that was consistent with an impaction fracture of the medial femoral condyle LEFT: Bone bruise lateral condyle (yellow circle). Normal MCL (green arrow) but missing patellar femoral ligament anterior to it.RIGHT: Medial patellar femoral ligament thorn from femoral attachment. Case on the left is a female soccerplayer who twisted her knee