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Papillary Tumor of the Pineal Region with Parinaud Syndrome: A Case Report

Author(s):

Lale Damgacı, Büşra Hayat* and Servet Güreşçi   Pages 1 - 4 ( 4 )

Abstract:


Background: Less than 1% of all intracranial tumors are in pineal region. Papillary tumor of the pineal region is considered one of four pineal parenchymal tumors according to 2007 World Health Organisation classification of central nervous system tumors. It is mostly seen in the middle age and it is rare under the age of 17 in the literature. In this report we aim to present a case with papillary tumor of the pineal region with both CT and MRI findings, and discuss the differential diagnosis.

Case report: A 17-year-old female patient who underwent a treatment of ventriculoperitoneal shunt due to hydrocephalus 18 months ago applied to the neurosurgery clinic with nausea, vomiting, sensorineural hearing loss and Parinaud syndrome continuing through 1 month. Computed tomography (CT) and magnetic resonance imaging (MRI) have applied. A 58x31x38 mm mass with cystic and mild hyperdense soft tissue components observed in the localization of pineal gland and posterior comissure on non-enhanced CT. MRI examination revealed that the mass filled the pineal region, contained solid and large cystic components, and hyperintense on T1-weighted images. After intravenous contrast media injection, the mass enhanced more peripherally. DW-MRI showed that there is diffusion restriction in some parts of the soft tissue components. The mass was totally resected, and pathology report revealed that it is a papillary tumor of the pineal region.

Conclusion: When a T1-weighted hyperintense and CT hyperdense mass with cystic and solid components is seen in the pineal region, even if it is rare, papillary tumor should also be considered in the differential diagnosis after exclusion of other hyperintense lesions in T1-weighted imaging.

Keywords:

Papillary Tumour, Parinaud Syndrome, Pineal Region, Brain Tumour, İntracranial Tumour, Pineal Gland Tumour

Affiliation:

Department of Radiology, Ankara Numune Training and Researching Hospital, Ankara, Department of Radiology, Ankara Numune Training and Researching Hospital, Ankara, Department of Pathology, Ankara Numune Training and Researching Hospital, Ankara



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