Sag CT and Oblique Sag VRCT show a ventriculoperitoneal shunt tube in the middle of a multilocular fluid collection in the lower abdomin and pelvis
CSF-oma ia s loculation of cerebrospinal fluid (CSF) at the distal end of the a ventriculoperitoneal shunt tube. It may occur secondary to adhesions. This results in an enlarging abdominal and/or pelvic mass at catheter tip, as CSF from the tip is no longer absorbed by peritoneum They can resolve spontaneously or after shunt revision and repositioning . Complications include infection and obstruction, the infection rate is 30% and can be higher in younger children.
Radiology of the Postoperative GI Tract, Bruce R. Javors, Ellen L. Wolf, Springer, 2003
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