In an article by Keskin et al published in BJUI (2016) the authors Analyse 521 patients. At 1 month 9% had USS detected lymphocoeles, 76%regressed by 3 months. Overall 2.5% developed symptomatic lymphocoeles but if a lymphocoele persisted until 3 months 64% became symptomatic. The authors suggested USS at 3 months and percutaneous drainage if a lymphocoele was detected.