Answer
Any joint can be aspirated; however, some joint aspirations require the use of ultrasonographic or fluoroscopic guidance. [9] Ultrasonography allows the clinician to confirm the presence of fluid before aspirating. It can also be helpful in aspirating deep or technically difficult joints. The hip joint should be aspirated under ultrasonographic guidance. Joints of the spine, including the sacroiliac joint, should be aspirated under fluoroscopic guidance. Guidance for aspiration is also recommended when blind attempts have failed to access any joint fluid.
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Media Gallery
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Medial approach to aspiration of ankle joint.
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Medial approach to aspiration of knee joint.
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Anterior approach to aspiration of glenohumoral joint. Point where coracoid can be palpated is marked with "C."
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Approach to aspiration of the wrist joint.
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Approach to aspiration of elbow joint, with landmarks labeled. LE = lateral epicondyle; R = radial head; O = olecranon.
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Medial approach to aspiration of metacarpophalangeal joint.
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