open access

Vol 49, No 6 (2015)
Case reports
Submitted: 2014-12-21
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A large cavernous malformation of the third ventricle floor: A case report

Hiroaki Nagashima, Kazuhiro Tanaka, Takashi Sasayama, Yusuke Okamura, Masaaki Taniguchi, Kyoko Otani, Takashi Yamasaki, Tomoo Itoh, Eiji Kohmura
DOI: 10.1016/j.pjnns.2015.08.004
·
Neurol Neurochir Pol 2015;49(6):446-450.

open access

Vol 49, No 6 (2015)
Case reports
Submitted: 2014-12-21

Abstract

Suprasellar and third ventricular region cavernous malformations originating from the floor of the third ventricle are extremely rare. We report a case of third ventricular cavernous malformation arising from the ventricle floor in a 24-year-old woman who presented with short-term memory loss and disorientation. Computed tomography revealed a suprasellar mass with calcification in the posterior chiasmatic region. T2-weighted magnetic resonance imaging revealed a mass with heterogeneous intensity and without hydrocephalus. The mass was slightly enhanced subsequent to gadolinium infusion. Using a basal interhemispheric translamina terminalis approach and a neuroendoscope, we confirmed that the tumor was located at the floor of the third ventricle and removed it. Histopathological examination confirmed the diagnosis of cavernous malformation. The postoperative course was uneventful, but the patient's short-term memory loss persisted. Despite its rarity, cavernous malformation should be suspected when a tumor is detected in the vicinity of the third ventricle floor. It is treatable through surgical resection.

Abstract

Suprasellar and third ventricular region cavernous malformations originating from the floor of the third ventricle are extremely rare. We report a case of third ventricular cavernous malformation arising from the ventricle floor in a 24-year-old woman who presented with short-term memory loss and disorientation. Computed tomography revealed a suprasellar mass with calcification in the posterior chiasmatic region. T2-weighted magnetic resonance imaging revealed a mass with heterogeneous intensity and without hydrocephalus. The mass was slightly enhanced subsequent to gadolinium infusion. Using a basal interhemispheric translamina terminalis approach and a neuroendoscope, we confirmed that the tumor was located at the floor of the third ventricle and removed it. Histopathological examination confirmed the diagnosis of cavernous malformation. The postoperative course was uneventful, but the patient's short-term memory loss persisted. Despite its rarity, cavernous malformation should be suspected when a tumor is detected in the vicinity of the third ventricle floor. It is treatable through surgical resection.

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Keywords

Cavernous malformation, Suprasellar tumor, Third ventricle floor, Translamina terminalis approach

About this article
Title

A large cavernous malformation of the third ventricle floor: A case report

Journal

Neurologia i Neurochirurgia Polska

Issue

Vol 49, No 6 (2015)

Pages

446-450

DOI

10.1016/j.pjnns.2015.08.004

Bibliographic record

Neurol Neurochir Pol 2015;49(6):446-450.

Keywords

Cavernous malformation
Suprasellar tumor
Third ventricle floor
Translamina terminalis approach

Authors

Hiroaki Nagashima
Kazuhiro Tanaka
Takashi Sasayama
Yusuke Okamura
Masaaki Taniguchi
Kyoko Otani
Takashi Yamasaki
Tomoo Itoh
Eiji Kohmura

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