Cystic teratoma of the conus

Case contributed by A.Prof Frank Gaillard



Patient Data

Age: 30 years
Gender: Female
Pending Case report 2017 - DON"T PUBLISH for a while.

Case Discussion

The patient went on to have a laminectomy and resection of the mass, confirmed to be intrathecal. 


Sections show fragments of benign stratified squamous epithelium, glandular epithelium, keratin debris, extravasated mucin and adipose tissue. No intraepithelial goblet cells are identified, confirmed by negative PAS/PASD stains.

Immunohistochemistry results show glandular epithelial cells stain EMA+, CK20- and CDX2-. The Topoisomerase proliferation index is <1%.

FINAL DIAGNOSIS: Benign cystic teratoma.

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Case information

rID: 54035
Published: 30th Sep 2018
Last edited: 1st Oct 2018
Inclusion in quiz mode: Included

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