PMC4897090_01
40-year-old man with group A streptococcus fasciitis. Axial CT at presentation shows fascial edema with fluid collection.
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A CT scan was remarkable for a retroperitoneal fluid collection medial to the left internal oblique muscle extending into the pelvic extraperitoneal space and medial paraspinous musculature (Figure 1A, Figure 1B).
40-year-old man with group A streptococcus fasciitis. Coronal CT reformation shows retroperitoneal and extraperitoneal fluid along the left flank extending into the abdomen and pelvis along fascial planes.
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At this point, the interventional radiology consultants, under CT guidance, placed a drainage catheter into the fluid collection along the left oblique musculature and fascial planes (Figure 2A, Figure 2B).
40-year-old man with group A streptococcus fasciitis. Axial CT following CT-guided catheter placement shows drain in place.
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Output was brisk from the drain and persisted for one week, after which a CT scan showed significant improvement in the amount of fluid (Fig. 3).
40-year-old man with group A streptococcus fasciitis. Coronal CT reformation following CT-guided catheter placement shows drain in place.
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After eight weeks, a follow-up CT showed near resolution of fascial edema and fluid (Fig. 4).