PMC5896232_01
Perirectal fluid collection with contrast in the rectal lumen.
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fig1
A CT scan was repeated on hospital day 6 (Figure 1), demonstrating an enlarging fluid collection containing enteric contrast measuring 5.8 x 7.5 cm, previously 5.4 x 6.4 cm.
CT on day 7 after drainage demonstrating resolution of abscess with transanal drain in place.
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fig2
Repeat CT scans done on 7 and 15 days after the drainage demonstrated resolving fluid collections (Figures 2 and 3).
CT on day 15 after drainage demonstrating resolution of abscess with transanal drain in place.
CRIS2018-9806259.003.jpg
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fig3
Repeat CT scans done on 7 and 15 days after the drainage demonstrated resolving fluid collections (Figures 2 and 3).
PMC5896232_02
Postdrainage resolution of perirectal collection.
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fig4
Follow-up CT scan demonstrated near resolution of the previously visualized fluid collection and a smaller cavity that communicated with the rectum (Figure 4).