{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,4]],"date-time":"2025-10-04T17:48:17Z","timestamp":1759600097080},"reference-count":57,"publisher":"Georg Thieme Verlag KG","issue":"01","license":[{"start":{"date-parts":[[2022,9,14]],"date-time":"2022-09-14T00:00:00Z","timestamp":1663113600000},"content-version":"vor","delay-in-days":1658,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Asian J Neurosurg"],"published-print":{"date-parts":[[2018,3]]},"abstract":"<jats:p>Intra-abdominal metastasis (IAM) of central nervous system (CNS) tumors via ventriculoperitoneal shunt (VPS) is rare but has been previously reported (e.g., germinomas and medulloblastomas). However, there has been no previous report in the literature involving meningiomas. A case of primary rhabdoid meningioma with widespread intra-abdominal carcinomatosis after placement of a VPS in a 36-year-old man is described. The patient underwent preoperative angioembolization of the tumor, craniotomy, and surgical excision, followed by postoperative gamma knife radiosurgery. Five months later, he underwent a decompressive craniectomy and surgical excision for tumor recurrence causing raised intracranial pressure and communicating hydrocephalus, necessitating placement of a VPS. One month after placement of the VPS, the patient developed abdominal distension and confusion. He was treated for a VPS infection, and the shunt was explanted. He continued to deteriorate with high output from the peritoneal drain placed at the time of shunt explantation. An exploratory laparotomy revealed multiple diffuse peritoneal and omental nodules which had the same histopathological and immunohistochemical morphology as the primary tumor. We reviewed the current literature on IAM of primary CNS tumors via VPS, which revealed that patients belonging in the pediatric age group, of the male gender, and with a primary intracranial germinoma or medulloblastoma have a higher incidence of IAM. Majority of IAM occurred within 2 years of VPS placement, and patients most commonly present with abdominal distension and ascites. Treatment after diagnosis is varied and the prognosis is poor, with more than half of the patients dying within a year. It is vital for clinicians to maintain a high index of suspicion for similar patients, as early intervention could potentially improve patient outcomes and patient expectations managed more effectively.<\/jats:p>","DOI":"10.4103\/1793-5482.181128","type":"journal-article","created":{"date-parts":[[2016,4,25]],"date-time":"2016-04-25T09:01:46Z","timestamp":1461574906000},"page":"176-183","source":"Crossref","is-referenced-by-count":3,"title":["Widespread intra-abdominal carcinomatosis from a rhabdoid meningioma after placement of a ventriculoperitoneal shunt: A case report and review of the literature"],"prefix":"10.1055","volume":"13","author":[{"given":"N","family":"Jun Jie","sequence":"additional","affiliation":[{"name":"Department of General Surgery, University Surgical Cluster, National University Health System"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kok","family":"Teo","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University Surgical Cluster, National University Health System"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Asim","family":"Shabbir","sequence":"additional","affiliation":[{"name":"Department of General Surgery, University Surgical Cluster, National University Health System"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tseng","family":"Yeo","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University Surgical Cluster, National University Health System"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"194","published-online":{"date-parts":[[2022,9,14]]},"reference":[{"key":"key-10.4103\/1793-5482.181128-1","unstructured":"CBTRUS. Statistical Report: Primary Brain and Central Nervous System Tumours Diagnosed in the United States in 2004-2006. Hinsdale, IL: Central Brain Tumour Registry of the United States; 2010."},{"key":"key-10.4103\/1793-5482.181128-2","first-page":"307","volume-title":"Epidemiology and etiology of meningioma","author":"Wiemels","year":"2010","journal-title":"J Neurooncol"},{"key":"key-10.4103\/1793-5482.181128-3","first-page":"231","volume-title":"Rhabdoid transformation of tumor cells in meningiomas: A histologic indication of increased proliferative activity: Report of four cases","author":"Kepes","year":"1998","journal-title":"Am J Surg Pathol"},{"key":"key-10.4103\/1793-5482.181128-4","first-page":"1482","volume-title":"\u201cRhabdoid\u201d meningioma: An aggressive variant","author":"Perry","year":"1998","journal-title":"Am J Surg Pathol"},{"key":"key-10.4103\/1793-5482.181128-5","unstructured":"Louis DN, Budka H, von Deimling A, Kepes JJ. Meningiomas. In: Kleihues P, Cavenee WK, International Agency for Research on Cancer, editors. World Health Organization Classification of Tumours Pathology and Genetics of Tumours of the Nervous System. Lyon: IARC Press; 2000. p. 314."},{"key":"key-10.4103\/1793-5482.181128-6","first-page":"97","volume-title":"The 2007 WHO classification of tumours of the central nervous system","author":"Louis","year":"2007","journal-title":"Acta Neuropathol"},{"key":"key-10.4103\/1793-5482.181128-7","first-page":"141","volume-title":"The accuracy of meningioma grading: A 10-year retrospective audit","author":"Willis","year":"2005","journal-title":"Neuropathol Appl Neurobiol"},{"key":"key-10.4103\/1793-5482.181128-8","first-page":"51","volume-title":"Controversies in radiotherapy for meningioma","author":"Maclean","year":"2014","journal-title":"Clin Oncol (R Coll Radiol)"},{"key":"key-10.4103\/1793-5482.181128-9","first-page":"201","volume-title":", Garton HJ.Clinical diagnosis of ventriculoperitoneal shunt failure among children with hydrocephalus","author":"Piatt","year":"2008","journal-title":"Pediatr Emerg Care"},{"key":"key-10.4103\/1793-5482.181128-10","first-page":"724","volume-title":"Clinicopathological analysis of rhabdoid meningiomas: Report of 12 cases and a systematic review of the literature","author":"Zhou","year":"2013","journal-title":"World Neurosurg"},{"key":"key-10.4103\/1793-5482.181128-11","first-page":"104","volume-title":"Metastatic rhabdoid meningioma of the parotid \u2013 Mimicking primary salivary gland neoplasm","author":"Parameshwaran","year":"2015","journal-title":"Int J Surg Case Rep"},{"key":"key-10.4103\/1793-5482.181128-12","first-page":"714","volume-title":"Intraspinal rhabdoid meningioma metastasis to the liver","author":"Wang","year":"2011","journal-title":"J Clin Neurosci"},{"key":"key-10.4103\/1793-5482.181128-13","first-page":"e61","volume-title":"Melanotic neuroectodermal tumor of infancy disseminated by a ventriculoperitoneal shunt and diagnosed from the inguinal sac","author":"Yoo","year":"2014","journal-title":"J Pediatr Hematol Oncol"},{"key":"key-10.4103\/1793-5482.181128-14","first-page":"367","volume-title":"Peritoneal metastasis of third ventricular atypical teratoid\/rhabdoid tumor after VP shunt implantation for unexplained hydrocephalus","author":"Han","year":"2012","journal-title":"World J Pediatr"},{"key":"key-10.4103\/1793-5482.181128-15","first-page":"e37","volume-title":"Medulloblastoma: Seeding of VP shunt tract and peritoneum","author":"Pettersson","year":"2012","journal-title":"Clin Pract"},{"key":"key-10.4103\/1793-5482.181128-16","first-page":"e12","volume-title":"Extraneural metastasis of a nongerminomatous germ cell tumor of the central nervous system in a pediatric patient with a ventriculoperitoneal shunt: A case report and review of the literature","author":"Belongia","year":"2012","journal-title":"J Pediatr Hematol Oncol"},{"key":"key-10.4103\/1793-5482.181128-17","first-page":"747","volume-title":"Intra-abdominal metastasis of an intracranial germinoma via ventriculo-peritoneal shunt in a 13-year-old female","author":"Murray","year":"2011","journal-title":"Br J Neurosurg"},{"key":"key-10.4103\/1793-5482.181128-18","first-page":"S123","volume-title":"Supratentorial primitive neuroectodermal tumor metastasis to the abdomen via a ventriculoperitoneal shunt","author":"Boyd","year":"2010","journal-title":"Pediatr Radiol"},{"key":"key-10.4103\/1793-5482.181128-19","first-page":"156","volume-title":"Metastatic peritoneal neurocutaneous melanocytosis","author":"Cajaiba","year":"2008","journal-title":"Am J Surg Pathol"},{"key":"key-10.4103\/1793-5482.181128-20","first-page":"273","volume-title":"Extraneural metastasis of high grade glioma without simultaneous central nervous system recurrence: Case report","author":"Yokosuka","year":"2007","journal-title":"Neurol Med Chir (Tokyo)"},{"key":"key-10.4103\/1793-5482.181128-21","first-page":"1548","volume-title":"Abdominal metastases of medulloblastoma related to a ventriculoperitoneal 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