Lesser Sac Cerebrospinal Fluid Collection

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Ventriculoperitoneal shunts provide an effective means of decreasing intracranial pressure and diverting cerebrospinal fluid (CSF). A variety of complications may be seen, however, with the peritoneal limb. This study describes the scintigraphic evaluation of a large intra-abdominal CSF pseudocyst and the migration of the shunt tip into the lesser peritoneal sac.