J Korean Neurosurg Soc.  2009 Jun;45(6):375-377. 10.3340/jkns.2009.45.6.375.

Intra-Suprasellar Schwannoma Originating from the Diaphragma Sellae

Affiliations
  • 1Department of Neurosurgery, Chonnam National University Medical School, Chonnam National University Hwasun Hospital, Hwasun, Korea. sjung@chonnam.ac.kr

Abstract

A 49-year-old woman presented with headache, vomiting and visual disturbance. Neurological examination revealed bitemporal hemianopsia with poor visual acuity. Magnetic resonance imaging showed a bulky intra-suprasellar mass, which was isointense with brain parenchyma on T1-weighted images, and slightly hyperintense on T2-weighted images. After gadolinium administration, the mass was homogeneously enhanced. The mass was partially removed by the endonasal transsphenoidal approach and then the remnant mass was totally removed by the transcranial approach five months later. We found a yellowish mass which was attached to the diaphragm sellae in operation field. Histopathological examination of the tumor revealed the characteristic features of a schwannoma. We report an unusual case of an intra-suprasellar schwannoma resembling a non-functioning pituitary macroadenoma both clinically and radiologically.

Keyword

Intrasellar; Schwannoma; Diaphragma sellae

MeSH Terms

Brain
Diaphragm
Female
Gadolinium
Headache
Hemianopsia
Humans
Magnetic Resonance Imaging
Middle Aged
Neurilemmoma
Neurologic Examination
Visual Acuity
Vomiting
Gadolinium
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