A joint effusion is the presence of increased intra-articular fluid. It may affect any joint. Commonly it involves the knee. The approach to diagnosis...

Knee effusion, informally known as water on the knee, occurs when excess synovial fluid accumulates in or around the knee joint. It has many common causes...

in temporomandibular joint internal derangements: relationship with joint pain and magnetic resonance grading of joint effusion". Oral Surgery, Oral Medicine...

infection, or effusion of the joint. Arthrocentesis can be used to diagnose septic arthritis or crystal arthropathy. In the case of a septic joint, arthrocentesis...

affected. Osteoarthritis is the most common cause of a joint effusion of the knee. In smaller joints, such as at the fingers, hard bony enlargements, called...

effusion Pleural effusion Joint effusion Subdural Effusion Mastoid Effusion Knee effusion Sometimes called "hydrops" Effusive eruption, an effusion of...

fracture. In addition to fracture, any process resulting in an elbow joint effusion may also demonstrate an abnormal fat pad sign. Increased intracapsular...

13, 16 and 13 years, respectively. In addition, the presence of a joint effusion can be inferenced by the presence of the fat pad sign, a structure that...

dysplasia. Joint effusion Figure 2C. AP view of a patient with left hip effusion secondary to trauma showing widening of the medial joint space. Legg-Calvé-Perthes...

diseases, mostly of the heart and lungs. When it occurs together with joint effusions, joint pains, and abnormal skin and bone growth it is known as hypertrophic...