Version May 2024
| Cause | Setting |
| Obesity | Particularly likely when leg is large and suspected effusion is small |
| Thick medial triangular fat or medial plica | Likely when lateral approach is successful after medial approach fails |
| Lipoma arborescens or gelatinous "pseudoeffusion" | Likely in particularly large and chronic inflammatory effusions |
| Obstruction of needle lumen by particular matter | Likely in rheumatoid effusion |
آیا می خواهید مدیلیب را به صفحه اصلی خود اضافه کنید؟
