Colloid cyst with hydrocephalus

Case contributed by Dr Sahba Sabeti

Presentation

Gradual onset headache and vomiting. Presents bradycardic and GCS 14.

Patient Data

Age: 25 years
Gender: Male

Obstructive hydrocephalus secondary to likely colloid cyst. Cerebal sulcal effacement and early descending transtentorial herniation.

Bilateral external ventricular drains placed. MRI performed for pre-operative planning.

MRI

Slight reduction in ventricular size, but remain distended. Non enhancing T1 hypointense, T2 FLAIR hyperintense lesion at the foramen of Monro measuring 17mm in maximal diameter, in keeping with a colloid cyst.

Case Discussion

This is a case of obstructive hydrocephalus secondary to a colloid cyst at the foramen of Monro. The presenting bradycardia was likely due to a Cushing's response. The patient was able to have timely definitive neurosurgical intervention.

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Case information

rID: 56795
Case created: 22nd Nov 2017
Last edited: 23rd Nov 2017
Inclusion in quiz mode: Included

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