R - practice 2016: neuro
The patient went on to have a resection.
Sections show the wall and lining of a cyst. The lining is composed of simple ciliated cuboidal epithelium in which no atypical features are seen. The wall is composed of loosely compacted
collagen. The features are of a colloid cyst. No evidence of tumor is seen.
DIAGNOSIS: Third ventricle colloid cyst.
Note: this is a duplicate case of case rID: 53164