J Korean Neurol Assoc.
1997 Apr;15(2):421-428.
A case of entrapped temporal horn of lateral ventricle caused by Pseudomonas stutzeri choroid plexitis
- Affiliations
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- 1Department of Neurology, Gyeongsang National University College of Medicine, Korea.
Abstract
- Focal ventricular dilatation of the temporal horn caused by an occlusion of the cerebrospinal fluid pathway at the atrium of the lateral ventricle is a form of non communicating hydrocephalus, and this condition is termed as "entrapment of the temporal horn". The choroid plexus is important central nervous system(CNS) structure, but it is often neglected in pathologic and clinical studies of intracranial diseases. Even though choroid plexitis is very rare, it may be occurred as the resultant of CNS infections and primary choroid plexitis can be associated with bacterial, viral, and parasitic etiologies. Some aspects of the neuroimaging findings of this infection mimick those of a intraventricular neoplasms. The most important neoplasms which should be differentiated, are choroid plexus papilloma and carcinoma. Wherem primary neoplasms of the choroid plexus are well known, but primary infections of the choroid plexus (such as choroid plexitis) are not commonly encountered. Pseudomonas stutzeri infections are especially rare as the causative organism of the choroid plexitis and often have serious underlying disease but generally respond well to treatment with antibiotics. We report a 65-year-old female patient with primary choroid plexitis due to Pseudomonas stutzeri and the findings of her brain computerized tomography and magnetic resonance imaging. In conclusion, our case revealed that choroid plexitis may result in ventricular entrapment and mimick intraventricular tumors. Although it is very rare, when a intraventricular mass was observed in imaging studies and combined with signs and symptoms suggesting CNS infection, choroid plexitis should be considered.
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