Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
Case Reports
. 2018 Sep 26;3(2):6980.
doi: 10.51894/001c.6980.

Colloid Cyst at the Foramen of Monro Leading to Symptomatic Obstructive Hydrocephalus

Pratik Shah  1 , Joseph Flynn  1
Affiliations
Case Reports

Colloid Cyst at the Foramen of Monro Leading to Symptomatic Obstructive Hydrocephalus

Pratik Shah et al. Spartan Med Res J. .

Abstract

A Caucasian female in her late forties presented to the Emergency Department (ED) with headache, ataxia, and mental status changes. A CT brain demonstrated dilated lateral ventricles with transependymal edema. An MRI of the brain demonstrated marked obstructive hydrocephalus from an obstructing colloid cyst at the level of her Foramen of Monro. The patient was transferred to a tertiary care center for neurosurgical removal of the cyst. Three months later, the patient was doing well and had resumed all activities of daily living without any residual neurological deficits. The goal of this case report is to educate readers on this atypical presentation of hydrocephalus, its symptomatology, and management to allow physicians to be more comfortable in making treatment decisions.

Keywords: colloid cyst; emergency neurology; foramen of monro; hydrocephalus.

PubMed Disclaimer

Figures

Figure 1 A:
Figure 1 A:. CT of the Brain without Contrast
A: Axial image demonstrating dilated lateral ventricles with transependymal edema
Figure 1 B:
Figure 1 B:. CT of the Brain without Contrast
B: Axial image demonstrating possible obstructive pathology at the level of the Foramen of Monro
Figure 2 A:
Figure 2 A:. MRI of the Brain without Contrast
A: T2 weighted sagittal image demonstrating a colloid cyst measuring 1.3 cm by 1.3 cm at the level of the Foramen of Monro.
Figure 2 B:
Figure 2 B:. MRI of the Brain without Contrast
B: FLAIR image displaying hyperintense signal at the Foramen of Monro consistent with colloid cyst.
See this image and copyright information in PMC

Similar articles

See all similar articles

References

    1. Spontaneous Regression of a Third Ventricle Colloid Cyst. Peters Sophie M., Daou Badih, Jabbour Pascal, Ladoux Alexandre, Georges Abi Lahoud. 2016World Neurosurg. 90(704):e19–22. - PubMed
    1. Macdonald R.L. In: Textbook of Neuro-oncology. Berger M.S., Prados M.D., editors. Elsevier Saunders; Philadelphia: Colloid Cysts in Children; p. 735.
    1. Bigner D.D., McLendon R.E., Bruner J.M. Russell and Rubinstein's Pathology of Tumors of the Nervous System. Hodder Headline Group; London:
    1. Natural history of colloid cysts of the third ventricle. Beaumont T.L., Limbrick Jr. D.D. , Rich K.M., Wippold F.J. 2nd, Dacey Jr. R.G. 2016J Neurosurg. 125(6):1–11. - PubMed
    1. Familial fatal and near-fatal third ventricle colloid cysts. Stoodley M.A., Nguyen T.P., Robbins P. 1999Aust N Z J Surg. 69(10):733–6. - PubMed

Publication types

LinkOut - more resources