Aspiration & Arthrogram is typically done to obtain information about the presence or absence of infection, particularly if you have had previous surgery. The radiologist may be able to aspirate fluid directly from the hip joint, which will provide valuable information. These samples can be analyzed by cell counts culture gram stain and PCR (a DNA test for bacteria).

Final culture results are usually available in 7 - 10 days. In general, these procedures are not very painful; local anesthesia is utilized in the skin. On occasion, mild discomfort may be associated with the study. Most often it is transitory and usually can be relieved by medications.