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Case Reports in Medicine
Volume 2009 (2009), Article ID 240705, 3 pages
Case Report

Ovarian Teratoma Masquerading as a CSF Pseudocyst in a Female with a Ventriculoperitoneal Shunt

1Department of Neurosurgery, Children's Hospital of Boston and Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
2Department of Neurosurgery, Children's Hospital of Boston, Harvard Medical School, Boston, MA 02115, USA

Received 28 January 2009; Accepted 4 April 2009

Academic Editor: Marc Afilalo

Copyright © 2009 John M. K. Mislow et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Background. In today's fast-paced and high-acuity emergency departments, clinicians are often compelled to triage cases so rapidly that a differential diagnosis consistent with the history and physical examination is not comprehensive. Case Report. This case report describes the unexpected finding of a cystic ovarian neoplasm in a young female with an abdominal mass and a ventriculoperitoneal shunt, initially diagnosed as a cerebrospinal fluid pseudocyst. We use this case to illustrate that the astute clinician must always synthesize a diagnosis from all data sources and not to rely on initial radiographic evaluations. Conclusions. This remarkable case demonstrates that all differential diagnoses must be entertained in order to rapidly and accurately diagnose a patient with a cystic abdominal mass.