PMC5407335_01
Large prostatic collection approximately 5.6 cm in greatest craniocaudal length and approximately 5.6 cm in greatest axial diameter.
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The patient's persistent discomfort prompted a clinical suspicion of PA, which was then confirmed by pelvic MRI (Figure 1).
Interval increase in size of the large prostatic abscess which now is extending posteriorly around the anus tracking inferiorly to the perineum.
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The abscess appeared multiloculated (Figure 2), indicating posterior tracking around the anus and levator muscles, as well as involvement of the urethra anteriorly.
Marked improvement in appearances. Small residual inflammatory/infective changes are seen.
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Symptoms gradually improved and an MRI 23 days after admission (Figure 3) revealed almost complete resolution.