| Cardiovascular
|
No underlying causes
|
| Chemical / poisoning
|
No underlying causes
|
| Dermatologic
|
Erythema nodosum, Sarcoidosis, Psoriasis
|
| Drug Side Effect
|
No underlying causes
|
| Ear Nose Throat
|
No underlying causes
|
| Endocrine
|
Hypophosphatemic rickets, Rickets, Sarcoidosis, Neuropathic (Charcot's) knee joint
|
| Environmental
|
No underlying causes
|
| Gastroenterologic
|
Crohn's disease
|
| Genetic
|
Ankylosing Spondylitis, Epiphyseal dysplasia, multiple, 2, Epiphyseal dysplasia, multiple, 3, Epiphyseal dysplasia, multiple, 5, Fairbanks disease, Handigodu Syndrome, Hemoglobinopathies, Hemophilia, Jaffe-Lichtenstein-Sutro syndrome, Juvenile Paget's Disease, Paget's disease of bone, Paget's disease, type 1, Paget's disease, type 4, Singh-Williams-McAlister, syndrome, Spondyloepiphyseal dysplasia, Talo-patello-scaphoid osteolysis, TAR syndrome, Hypophosphatemic rickets, Rickets, Crohn's disease, Pyrophosphate arthropathy, Trochlear dysplasia, Sarcoidosis, Rheumatoid arthritis
|
| Hematologic
|
Acute leukemia, Bleeding disorders, Hemarthrosis, Leukemia, Hemoglobinopathies, Hemophilia, Henoch-Schönlein purpura, TAR syndrome
|
| Iatrogenic
|
Arthroscopic lavage
|
| Infectious Disease
|
Clutton's joints, Congenital syphilis, Knee arthritis, Knee bacterial infection, Knee infection, Knee inflammation, Lyme disease, Neuropathic (Charcot's) knee joint, Pyarthrosis, Pyogenic infection, Septic arthritis, Yersiniosis, Tendinitis, Viral infection, Synovitis
|
| Musculoskeletal / Ortho
|
Anterior cruciate ligament injury, Arthritis, Baker's cyst, Brodie knee, Bursitis, Chondromalacia patellae, Dislocated knee, Dislocated patella, Fallen arches, Femoral condyle fracture, Fractured patella, Fractured tibial plateau, Gait problems, Gout, Gram's syndrome, Hip dislocation, Hip injury, Hip Replacement, Intermittent hydrarthrosis, Johansson-Sinding-Larsen syndrome, Knee cyst, [Knee tumor, Knock knees, Lipoarthritis, Lipoma arborescens, Medial ligament injury, Meniscal cartilage replacement therapy, Meniscal cyst, Meniscus injury, Osgood-Schlatter's disease, Osteoarthritis, Osteochondritis dissecans, Osteochondroma, Osteochondrosis, Osteosarcoma, Patellar tendinitis, Patello-femoral pain syndrome, Pellegrini-Stieda syndrome, Pigmented villonodular synovitis, Plica Syndrome, Popliteal cyst, Prepatellar bursitis, Psoriasis, Pyrophosphate arthropathy, Reactive arthritis, Reiter’s syndrome, Rheumatoid arthritis, Sciatica, Seronegative spondyloarthropathy, Sinding Larsen-Johannson disease, Spinal cord injury, Strength training, Supracondylar femur fracture, Synovial chondromatosis, Synovial osteochondromatosis, Synovial plica syndrome, Synovioma, Synovitis, Tendinitis, Torn ligament, Trauma, Trochlear dysplasia, Viral infection, Weak ankles, Weight training, Ankylosing Spondylitis - knee arthritis, Epiphyseal dysplasia, multiple, 2, Epiphyseal dysplasia, multiple, 3, Epiphyseal dysplasia, multiple, 5, Fairbanks disease, Handigodu Syndrome, Jaffe-Lichtenstein-Sutro syndrome, Juvenile Paget's Disease, Paget's disease of bone, Paget's disease, type 1, Paget's disease, type 4, Singh-Williams-McAlister, syndrome, Spondyloepiphyseal dysplasia tarda, Talo-patello-scaphoid osteolysis, TAR syndrome, Hemarthrosis, Clutton's joints, Knee arthritis, Knee bacterial infection, Knee infection, Knee inflammation, Lyme disease, Pyogenic infection, Yersiniosis, Scurvy, Hypertrophic pulmonary osteoarthropathy periostitis, Inflammatory arthritis, Juvenile chronic arthritis, Juvenile idiopathic arthritis, Juvenile Rheumatoid Arthritis, Still's disease, Hoffa's disease, Housemaid's knee, Knee fracture, Knee overuse, Knee sprain, Knee strain, Knee tendinitis, Orthopedic cast, Hypophosphatemic rickets, Rickets
|
| Neurologic
|
Gait problems, Sciatica, Spinal cord injury, Neuropathic (Charcot's) knee joint
|
| Nutritional / Metabolic
|
Scurvy, Gout, Juvenile Paget's Disease
|
| Obstetric/Gynecologic
|
Congenital syphilis, Clutton's joints
|
| Oncologic
|
Malignant bone tumor, Acute leukemia, Leukemia, Gram's syndrome, Knee tumor, Osteochondroma, Osteosarcoma, Synovioma
|
| Opthalmologic
|
No underlying causes
|
| Overdose / Toxicity
|
No underlying causes
|
| Psychiatric
|
No underlying causes
|
| Pulmonary
|
Hypertrophic pulmonary osteoarthropathy periostitis
|
| Renal / Electrolyte
|
No underlying causes
|
| Rheum / Immune / Allergy
|
Common variable immunodeficiency, Henoch-Schönlein purpura, Inflammatory arthritis, Juvenile chronic arthritis, Juvenile idiopathic arthritis, Juvenile Rheumatoid Arthritis, Still's disease, Erythema nodosum, Osteochondrosis, Psoriasis, Reactive arthritis, Reiter’s syndrome, Rheumatoid arthritis, Seronegative spondyloarthropathy, Synovitis, Crohn's disease, Tendinitis, Ankylosing Spondylitis - knee arthritis, Handigodu Syndrome, Knee arthritis, Gout, Gram's syndrome, Sarcoidosis
|
| Sexual
|
No underlying causes
|
| Trauma
|
Hoffa's disease, Housemaid's knee, Iliotibial band friction syndrome, Knee fracture, Knee overuse, Knee sprain, Knee strain, Knee tendinitis, Orthopedic cast, Bursitis, Chondromalacia patellae, Cruciate injury, Dislocated knee, Dislocated patella, Fallen arches, Femoral condyle fracture, Fractured patella, Fractured tibial plateau, Hip dislocation, Hip injury, Hip Replacement, Johansson-Sinding-Larsen syndrome, Medial ligament injury, Meniscus injury, Patellar tendinitis, Patello-femoral pain syndrome, Pellegrini-Stieda syndrome, Prepatellar bursitis, Sinding Larsen-Johannson disease, Supracondylar femur fracture, Torn ligament
|
| Urologic
|
No underlying causes
|
| Dental
|
No underlying causes
|
| Miscellaneous
|
No underlying causes
|