Following a course of conservative treatment and follow-up with serial sonographic studies, 42 (79.3%) patients responded favourably to antibiotics treatment without drainage procedure.

• 追踪其保守性治疗的病程，及一系列的超音波研究，42其中个（佔79.；3%25）病人对抗生素治疗就有很好的效果，而无需任何引流处置。