XRay "Ahlback grading" | |
Medial Compartment | |
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Ahlback Grading is a classification system that focuses on the reduction of the joint space as an indirect sign of cartilage loss. Grades are obtained from the 2D X-Ray and range between [0 ; 5].
Grade 0 : Normal
Grade 1 : Joint space narrowing (< 3 mm)
Grade 2 : Joint space obliteration (elimination)
Grade 3 : Minor bone attrition (0-5 mm)
Grade 4 : Moderate bone attrition (5-10 mm)
Grade 5 : Severe bone attrition (more than 10 mm)
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Lateral Compartment | |
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Ahlback Grading is a classification system that focuses on the reduction of the joint space as an indirect sign of cartilage loss. Grades are obtained from the 2D X-Ray and range between [0 ; 5].
Grade 0 : Normal
Grade 1 : Joint space narrowing (< 3 mm)
Grade 2 : Joint space obliteration (elimination)
Grade 3 : Minor bone attrition (0-5 mm)
Grade 4 : Moderate bone attrition (5-10 mm)
Grade 5 : Severe bone attrition (more than 10 mm)
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Femoropatellar Compartment | |
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Ahlback Grading is a classification system that focuses on the reduction of the joint space as an indirect sign of cartilage loss. Grades are obtained from the 2D X-Ray and range between [0 ; 5].
Grade 0 : Normal
Grade 1 : Joint space narrowing (< 3 mm)
Grade 2 : Joint space obliteration (elimination)
Grade 3 : Minor bone attrition (0-5 mm)
Grade 4 : Moderate bone attrition (5-10 mm)
Grade 5 : Severe bone attrition (more than 10 mm)
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MRI | |
MC | |
Thickness Femur | |
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Cartilage thickness is obtained from MRI 2D scans and expressed in millimeters. It is measured on the Femur and Tibia in a sagittal plane for the Medial Compartment and the Lateral Compartment, at three equidistant points (anterior, middle and posterior).
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Thickness Tibia | |
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Cartilage thickness is obtained from MRI 2D scans and expressed in millimeters. It is measured on the Femur and Tibia in a sagittal plane for the Medial Compartment and the Lateral Compartment, at three equidistant points (anterior, middle and posterior).
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Edema Femur | |
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An edema is a buildup of fluid. A bone marrow edema — often referred to as bone marrow lesion — occurs when fluid
builds up in the bone marrow. Bone marrow edema is typically a response to an injury such as a fracture or conditions
such as osteoarthritis. Results sorted by gender.
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Edema Tibia | |
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An edema is a buildup of fluid. A bone marrow edema — often referred to as bone marrow lesion — occurs
when fluid builds up in the bone marrow. Bone marrow edema is typically a response to an injury such as a fracture or conditions such as osteoarthritis. Results sorted by gender.
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Cysts Femur | |
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Subchondral bone cysts are sacs of fluid that form inside a person’s joints. The cysts occur in the subchondral bone, the layer of bone just under the cartilage. Results are sorted by gender.
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Cysts Tibia | |
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Subchondral bone cysts are sacs of fluid that form inside a person’s joints. The cysts occur in the subchondral bone, the layer of bone just under the cartilage. Results are sorted by gender.
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Osteophytes | |
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Osteophytes are bony lumps (bone spurs) that grow on the bones of the spine or around the joints. They often form next to joints affected by osteoarthritis, a condition that causes joints to become painful and
stiff. Osteophytes can grow from any bone. Results are sorted by gender.
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Bone Attrition Femur | |
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Bone attrition represents remodeling of
the subchondral bone envelope in osteoarthritis, leading to a consequential change in bone shape and/or
bone loss. Results are sorted by gender.
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Bone Attrition Tibia | |
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Bone attrition represents remodeling of the subchondral bone envelope in osteoarthritis, leading to a consequential change in bone shape and/or bone loss. Results are sorted by gender.
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Osteonecrosis Femur | |
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Osteonecrosis is the death of bone tissue due to a lack
of blood supply. It can lead to tiny breaks in the bone and the bone's eventual collapse. A broken bone or dislocated joint can interrupt the blood flow to a section of bone. Results are sorted by gender.
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Osteonecrosis Tibia | |
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Osteonecrosis is the death of bone tissue due to a lack of blood supply. It can lead to tiny breaks in the bone and the bone's eventual collapse. A broken bone or dislocated joint can interrupt the blood flow to a section of bone. Results are sorted by gender.
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Meniscal Pathology | |
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The menisci are fibrocartilaginous structures located between the medial and lateral tibiofemoral joints that function to reduce knee joint loads by shock absorption. When severe, meniscal tears are implicated in knee locking and pain. Results are sorted by gender.
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ICRS grading Femur | |
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ICRS (International Cartilage Repair Society) Grading is the most commonly used score system for quantification of existing cartilage defects at the knee. Grades range between [0 ; 4].
Grade 0 : Normal cartilage
Grade 1 : Nearly normal cartilage ; Superficial lesions ; superficial fissures.
Grade 2 : Abnormal cartilage. Lesions extending down to < 50% of cartilage depth.
Grade 3 : Severely abnormal cartilage. Defects extending down to > 50% of cartilage depth.
Grade 4 : Severly abnormal. Lesions extending down through the subchondral bone.
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ICRS grading Tibia | |
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ICRS (International Cartilage Repair Society) Grading is the most commonly used score system for quantification of existing cartilage defects at the knee. Grades range between [0 ; 4].
Grade 0 : Normal cartilage
Grade 1 : Nearly normal cartilage ; Superficial lesions ; superficial fissures.
Grade 2 : Abnormal cartilage. Lesions extending down to < 50% of cartilage depth.
Grade 3 : Severely abnormal cartilage. Defects extending down to > 50% of cartilage depth.
Grade 4 : Severly abnormal. Lesions extending down through the subchondral bone.
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LC | |
Thickness Femur | |
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Cartilage thickness is obtained from MRI 2D scans and expressed in millimeters. It is measured on the Femur and Tibia in a sagittal plane for the Medial Compartment and the Lateral Compartment, at three equidistant points (anterior, middle and posterior).
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Thickness Tibia | |
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Cartilage thickness is obtained from MRI 2D scans and expressed in millimeters. It is measured on the Femur and Tibia in a sagittal plane for the Medial Compartment and the Lateral Compartment, at three equidistant points (anterior, middle and posterior).
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Edema Femur | |
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An edema is a buildup of fluid. A bone marrow edema — often referred to as bone marrow lesion — occurs
when fluid builds up in the bone marrow. Bone marrow edema is typically a response to an injury such as a fracture or conditions such as osteoarthritis. Results sorted by gender.
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Edema Tibia | |
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An edema is a buildup of fluid. A bone marrow edema — often referred to as bone marrow lesion — occurs
when fluid builds up in the bone marrow. Bone marrow edema is typically a response to an injury such as a fracture or conditions such as osteoarthritis. Results sorted by gender.
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Cysts Femur | |
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Subchondral bone cysts are sacs of fluid that
form inside a person’s joints. The cysts occur in
the subchondral bone, the layer of bone just under the cartilage. Results are sorted by gender.
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Cysts Tibia | |
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Subchondral bone cysts are sacs of fluid that
form inside a person’s joints. The cysts occur in
the subchondral bone, the layer of bone just under the cartilage. Results are sorted by gender.
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Osteophytes | |
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Osteophytes are bony lumps (bone spurs) that grow on the bones of the spine or around the joints. They often form next to joints affected by osteoarthritis, a condition that causes joints to become painful and stiff. Osteophytes can grow from any bone.
Results are sorted by gender.
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Bone Attrition Tibia | |
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Bone attrition represents remodeling of the subchondral bone envelope in osteoarthritis, leading to a consequential change in bone shape and/or bone loss. Results are sorted by gender.
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Osteonecrosis Femur | |
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Osteonecrosis is the death of bone tissue due to a
lack of blood supply. It can lead to tiny breaks in the bone and the bone's eventual collapse. A broken bone or dislocated joint can interrupt the blood flow to a section of bone. Results are sorted by gender.
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Osteonecrosis Tibia | |
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Osteonecrosis is the death of bone tissue due to a
lack of blood supply. It can lead to tiny breaks in the bone and the bone's eventual collapse. A broken bone or dislocated joint can interrupt the blood flow to a section of bone. Results are sorted by gender.
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Meniscal Pathology | |
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The menisci are fibrocartilaginous structures located between the medial and lateral tibiofemoral joints that function to reduce knee joint loads by shock absorption. When severe, meniscal tears are implicated in knee locking and pain. Results are sorted by gender.
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ICRS grading Femur | |
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ICRS (International Cartilage Repair Society) Grading is the most commonly used score system for quantification of existing cartilage defects at the knee. Grades range between [0 ; 4].
Grade 0 : Normal cartilage
Grade 1 : Nearly normal cartilage ; Superficial lesions ; superficial fissures.
Grade 2 : Abnormal cartilage. Lesions extending down to < 50% of cartilage depth.
Grade 3 : Severely abnormal cartilage. Defects extending down to > 50% of cartilage depth.
Grade 4 : Severly abnormal. Lesions extending down through the subchondral bone.
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ICRS grading Tibia | |
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ICRS (International Cartilage Repair Society) Grading is the most commonly used score system for quantification of existing cartilage defects at the knee. Grades range between [0 ; 4].
Grade 0 : Normal cartilage
Grade 1 : Nearly normal cartilage ; Superficial lesions ; superficial fissures.
Grade 2 : Abnormal cartilage. Lesions extending down to < 50% of cartilage depth.
Grade 3 : Severely abnormal cartilage. Defects extending down to > 50% of cartilage depth.
Grade 4 : Severly abnormal. Lesions extending down through the subchondral bone.
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FPC | |
Thickness Patella | |
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For the Femoropatellar Compartment, the cartilage thickness is measured at three middle places on the Patella (lateral, center and medial) and at two middle places (lateral and medial) on the femoral Trochlea.
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Thickness Femoral Trochlea | |
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For the Femoropatellar Compartment, the cartilage thickness is measured at three middle places on the Patella (lateral, center and medial) and at two middle places (lateral and medial) on the femoral Trochlea.
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Edema Patella | |
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An edema is a buildup of fluid. A bone marrow edema — often referred to as bone marrow lesion — occurs
when fluid builds up in the bone marrow. Bone marrow edema is typically a response to an injury such as a fracture or conditions such as osteoarthritis. Results sorted by gender.
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Edema Femoral Trochlea | |
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An edema is a buildup of fluid. A bone marrow edema — often referred to as bone marrow lesion — occurs when fluid builds up in the bone marrow. Bone marrow edema is typically a response to an injury such as a fracture or conditions such as osteoarthritis. Results sorted by gender.
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Cysts Patella | |
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Subchondral bone cysts are sacs of fluid that
form inside a person’s joints. The cysts occur in
the subchondral bone, the layer of bone just under the cartilage. Results are sorted by gender.
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Cysts Femoral Trochlea | |
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Subchondral bone cysts are sacs of fluid that form inside a person’s joints. The cysts occur in the subchondral bone, the layer of bone just under the cartilage. Results are sorted by gender.
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Osteophytes | |
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Osteophytes are bony lumps (bone spurs) that grow on the bones of the spine or around the joints. They often form next to joints affected by osteoarthritis, a condition that causes joints to become painful and stiff. Osteophytes can grow from any bone.
Results are sorted by gender.
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General Free Bodies | |
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Free Bodies are a part of bone or cartilage that is not attached where it's supposed to. Results are sorted by gender.
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General Synovitis Effusion | |
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Synovitis is the inflammation of a synovial (joint-lining) membrane, usually painful, particularly on motion, and characterized by swelling, due to effusion (fluid collection) in a synovial sac. Results are sorted by gender.
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ICRS grading Patella | |
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ICRS (International Cartilage Repair Society) Grading is the most commonly used score system for quantification of existing cartilage defects at the knee. Grades range between [0 ; 4].
Grade 0 : Normal cartilage
Grade 1 : Nearly normal cartilage ; Superficial lesions ; superficial fissures.
Grade 2 : Abnormal cartilage. Lesions extending down to < 50% of cartilage depth.
Grade 3 : Severely abnormal cartilage. Defects extending down to > 50% of cartilage depth.
Grade 4 : Severly abnormal. Lesions extending down through the subchondral bone.
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ICRS grading Trochlea | |
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ICRS (International Cartilage Repair Society) Grading is the most commonly used score system for quantification of existing cartilage defects at the knee. Grades range between [0 ; 4].
Grade 0 : Normal cartilage
Grade 1 : Nearly normal cartilage ; Superficial lesions ; superficial fissures.
Grade 2 : Abnormal cartilage. Lesions extending down to < 50% of cartilage depth.
Grade 3 : Severely abnormal cartilage. Defects extending down to > 50% of cartilage depth.
Grade 4 : Severly abnormal. Lesions extending down through the subchondral bone.
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CT scans | |
MC | |
Cysts Femur | |
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Subchondral bone cysts are sacs of fluid that form inside a person’s joints. The cysts occur in the subchondral bone, the layer of bone just under the cartilage. Results are sorted by gender.
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Cysts Tibia | |
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Subchondral bone cysts are sacs of fluid that form inside a person’s joints. The cysts occur in the subchondral bone, the layer of bone just under the cartilage. Results are sorted by gender.
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Sclerosis Femur | |
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Subchondral sclerosis is the hardening of the bone just below the cartilage surface. It shows up in the later stages of osteoarthritis. Subchondral sclerosis is common in
the bones found at the load-bearing joints, such as knees and hips. Results are sorted by gender.
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Sclerosis Tibia | |
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Subchondral sclerosis is the hardening of the bone just below the cartilage surface. It shows up in the later stages of osteoarthritis. Subchondral sclerosis is common in
the bones found at the load-bearing joints, such as knees and hips. Results are sorted by gender.
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Osteophytes | |
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Osteophytes are bony lumps (bone spurs) that grow on the bones of the spine or around the joints. They often form next to joints affected by osteoarthritis, a condition that causes joints to become painful and stiff. Osteophytes can grow from any bone.
Results are sorted by gender.
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Bone Attrition Femur | |
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Bone attrition represents remodeling of the subchondral bone envelope in osteoarthritis, leading to a consequential change in bone shape and/or bone loss. Results are sorted by gender.
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Bone Attrition Tibia | |
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Bone attrition represents remodeling of the subchondral bone envelope in osteoarthritis, leading to a consequential change in bone shape and/or bone loss. Results are sorted by gender.
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Osteonecrosis Femur | |
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Osteonecrosis is a disease resulting in the death of bone cells. If the process involves the bones near a joint, it often leads to collapse of the joint surface and subsequent arthritis due to an irregular joint surface. Results are sorted by gender.
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Osteonecrosis Tibia | |
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Osteonecrosis is a disease resulting in the death of bone cells. If the process involves the bones near a joint, it often leads to collapse of the joint surface and subsequent arthritis due to an irregular joint surface. Results are sorted by gender.
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LC | |
Cysts Femur | |
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Subchondral bone cysts are sacs of fluid that form inside a person’s joints. The cysts occur in the subchondral bone, the layer of bone just under the cartilage. Results are sorted by gender.
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Cysts Tibia | |
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Subchondral bone cysts are sacs of fluid that form inside a person’s joints. The cysts occur in the subchondral bone, the layer of bone just under the cartilage. Results are sorted by gender.
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Sclerosis Femur | |
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Subchondral sclerosis is the hardening of the bone just below the cartilage surface. It shows up in the later stages of osteoarthritis. Subchondral sclerosis is common in the bones found at the load-bearing joints, such as knees and hips. Results are sorted by gender.
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Sclerosis Tibia | |
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Subchondral sclerosis is the hardening of the bone just below the cartilage surface. It shows up in the later stages of osteoarthritis. Subchondral sclerosis is common in the bones found at the load-bearing joints, such as knees and hips. Results are sorted by gender.
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Osteophytes | |
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Osteophytes are bony lumps (bone spurs) that grow on the bones of the spine or around the joints. They often form next to joints affected by osteoarthritis, a condition that causes joints to become painful and stiff. Osteophytes can grow from any bone.
Results are sorted by gender.
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Bone Attrition Tibia | |
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Bone attrition represents remodeling of the subchondral bone envelope in osteoarthritis, leading to a consequential change in bone shape and/or bone loss. Results are sorted by gender.
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Osteonecrosis Femur | |
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Osteonecrosis is the death of bone tissue due to a lack of blood supply. It can lead to tiny breaks in the bone and the bone's eventual collapse. A broken bone or dislocated joint can interrupt the blood flow to a section of bone. Results are sorted by gender.
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Osteonecrosis Tibia | |
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Osteonecrosis is the death of bone tissue due to a lack
of blood supply. It can lead to tiny breaks in the bone and the bone's eventual collapse. A broken bone or dislocated joint can interrupt the blood flow to a section of bone. Results are sorted by gender.
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FPC | |
Cysts Femur | |
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Subchondral bone cysts are sacs of fluid that form inside a person’s joints. The cysts occur in the subchondral bone, the layer of bone just under the cartilage. Results are sorted by gender.
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Cysts Patella | |
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Subchondral bone cysts are sacs of fluid that form inside a person’s joints. The cysts occur in the subchondral bone, the layer of bone just under the cartilage. Results are sorted by gender.
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Sclerosis Femur | |
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Subchondral sclerosis is the hardening of the bone just below the cartilage surface. It shows up in the later stages of osteoarthritis. Subchondral sclerosis is common in the bones found at the load-bearing joints, such as knees and hips. Results are sorted by gender.
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Sclerosis Patella | |
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Subchondral sclerosis is the hardening of the bone just below the cartilage surface. It shows up in the later stages of osteoarthritis. Subchondral sclerosis is common in the bones found at the load-bearing joints, such as knees and hips. Results are sorted by gender.
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Osteophytes | |
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Osteophytes are bony lumps (bone spurs) that grow on the bones of the spine or around the joints. They often form next to joints affected by osteoarthritis, a condition that causes joints to become painful and stiff. Osteophytes can grow from any bone. Results are sorted by gender.
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General Free Bodies | |
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Free Bodies are a part of bone or cartilage that is not attached where it's supposed to. Results are sorted by gender.
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3D | |
Cartilage Density | |
Femur | |
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Density is a measure of mass per unit of volume. The average density of an object equals its total mass divided by its total volume.
Density has been obtained from 2D scans (MRI, CT). It is expressed in the Hounsfield Unit. Values are between [-1000 ; +3000] where each value represents a type of tissue present in the human body. For cartilage, values are between [+100; +300] and for bones, between [+700; +3000].
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Patella | |
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Density is a measure of mass per unit of volume. The average density of an object equals its total mass divided by its total volume.
Density has been obtained from 2D scans (MRI, CT). It is expressed in the Hounsfield Unit. Values are between [-1000 ; +3000] where each value represents a type of tissue present in the human body. For cartilage, values are between [+100; +300] and for bones, between [+700; +3000].
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Tibia | |
Medial | |
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Density is a measure of mass per unit of volume. The average density of an object equals its total mass divided by its total volume.
Density has been obtained from 2D scans (MRI, CT). It is expressed in the Hounsfield Unit. Values are between [-1000 ; +3000] where each value represents a type of tissue present in the human body. For cartilage, values are between [+100; +300] and for bones, between [+700; +3000].
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Lateral | |
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Density is a measure of mass per unit of volume. The average density of an object equals its total mass divided by its total volume.
Density has been obtained from 2D scans (MRI, CT). It is expressed in the Hounsfield Unit. Values are between [-1000 ; +3000] where each value represents a type of tissue present in the human body. For cartilage, values are between [+100; +300] and for bones, between [+700; +3000].
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Bone Density | |
Femur | |
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Density is a measure of mass per unit of volume. The average density of an object equals its total mass divided by its total volume.
Density has been obtained from 2D scans (MRI, CT). It is expressed in the Hounsfield Unit. Values are between [-1000 ; +3000] where each value represents a type of tissue present in the human body. For cartilage, values are between [+100; +300] and for bones, between [+700; +3000].
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Patella | |
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Density is a measure of mass per unit of volume. The average density of an object equals its total mass divided by its total volume.
Density has been obtained from 2D scans (MRI, CT). It is expressed in the Hounsfield Unit. Values are between [-1000 ; +3000] where each value represents a type of tissue present in the human body. For cartilage, values are between [+100; +300] and for bones, between [+700; +3000].
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Tibia | |
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Density is a measure of mass per unit of volume. The average density of an object equals its total mass divided by its total volume.
Density has been obtained from 2D scans (MRI, CT). It is expressed in the Hounsfield Unit. Values are between [-1000 ; +3000] where each value represents a type of tissue present in the human body. For cartilage, values are between [+100; +300] and for bones, between [+700; +3000].
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Presence of holes | |
Tibia | |
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Holes presence is obtained from the 3D segmented models. It is a binary result when 1 represents the presence of holes in the cartilage and 0 represents the absence of holes in the cartilage.
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Femur | |
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The presence of holes is obtained from the 3D segmented models. It is a binary result when 1 represents the presence of holes in the cartilage and 0 represents the absence of holes in the cartilage.
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