Case 72: Pseudocyst around Ventriculoperitoneal Shunt

Pernas, Juan Carlos; Català, Jordi

doi:10.1148/radiol.2321011976

Cited by 44 publications

(36 citation statements)

References 12 publications

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“…8,9,12 Pseudocysts typically arise between 3 weeks and 5 years after placement of the VP shunt, but have been reported to develop as long as 10 years after VP shunt implantation. 6,13 Patients typically present with abdominal pain, nausea, vomiting, fever, decreased appetite, and symptoms and signs of shunt failure.…”

Section: Discussionmentioning

confidence: 99%

Fetal ovarian cyst mimicking a CSF pseudocyst in the setting of shunt failure

Calayag¹,

Malone²,

Drake³

et al. 2015

PED

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Fetal ovarian cysts are common congenital lesions encountered in the neonatal population. These cysts are typically benign and rarely require any invasive intervention. Abdominal pseudocyst formation as a result of a ventriculoperitoneal shunt is a relatively infrequent occurrence and is similarly an uncommon cause of shunt failure. The authors present the case of a 4-month-old girl with shunted hydrocephalus who presented with shunt failure from a suspected abdominal pseudocyst that was found to be a fetal ovarian cyst.

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Section: Discussionmentioning

confidence: 99%

Fetal ovarian cyst mimicking a CSF pseudocyst in the setting of shunt failure

Calayag¹,

Malone²,

Drake³

et al. 2015

PED

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“…Incidence ranges from 1 to 4.5 % [8]. Patients present with abdominal distention, pain, and with symptoms related to an increase of intracranial pressure.…”

Section: Cerebrospinal Fluid Pseudocystmentioning

confidence: 99%

“…US reveals a well-defined anechoic cystic mass. Internal echoes or septa may be a result of pseudocyst infection [2,8].…”

Section: Cerebrospinal Fluid Pseudocystmentioning

confidence: 99%

Abdominal nonparenchymatous cystic lesions and their mimics in children

et al. 2014

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Abdominal cystic lesions in children may originate from parenchymatous organs or from nonparencyhmatous structures. Although these lesions have welldescribed imaging features, proper diagnosis usually depends on the accurate determination of the origin of the lesion. Because large lesions may resemble each other it is difficult to identify the site of origin, which results in a diagnostic dilemma. In this pictorial essay we describe abdominal nonparenchymatous cystic lesions and their mimics arising from parenchymatous organs in children.

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“…2,19) Most reported cases of CSF pseudocysts have occurred in children, with only 29 cases in adults. [1][2][3][4][5]7,[11][12][13]15,[17][18][19][20]23) We describe the formation of an abdominal CSF pseudocyst in an adult, and review all 30 adult cases of abdominal CSF pseudocysts. Neurol Med Chir (Tokyo) 52, November, 2012…”

Section: Introductionmentioning

confidence: 99%

Formation of Abdominal Cerebrospinal Fluid Pseudocyst

Ohba

Kinoshita

Tsutsui

et al. 2012

Neurol. Med. Chir.(Tokyo)

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A 63-year-old man who underwent insertion of a lumboperitoneal shunt developed gait disturbance. He had undergone surgery for gastric cancer 7 years and for ileus 5 years previously. Head computed tomography (CT) revealed enlargement of the ventricles. Abdominal CT revealed a cyst in the abdominal region and the distal segment of the peritoneal shunt tube located within the cyst. Laparotomy revealed the cyst located between the small intestine, colon, and peritoneum. The anterior wall of the cyst was excised. The distal segment of the peritoneal shunt tube was replaced in the rectovesical pouch. Histological examination showed that the cyst wall consisted of inner fibrous tissue and outer fat tissue without epithelial lining, and invasion of lymphocytes. The diagnosis was pseudocyst. Only 29 cases of abdominal cerebrospinal fluid (CSF) pseudocysts have been reported in adults. Although the mechanism underlying the formation of abdominal pseudocyst remains to be clarified, several predisposing factors for cyst formation have been reported including changes in absorption of CSF due to inflammation or infection, peritoneal adhesions due to previous abdominal surgery, and increase in the protein content of the CSF. In our case, the medical history and histological features of the cyst wall indicated that formation of the abdominal pseudocyst was associated with previous surgery or inflammatory reaction.

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Case 72: Pseudocyst around Ventriculoperitoneal Shunt

Cited by 44 publications

References 12 publications

Fetal ovarian cyst mimicking a CSF pseudocyst in the setting of shunt failure

Fetal ovarian cyst mimicking a CSF pseudocyst in the setting of shunt failure

Abdominal nonparenchymatous cystic lesions and their mimics in children

Formation of Abdominal Cerebrospinal Fluid Pseudocyst

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