Myxopapillary ependymoma

Case contributed by Assoc Prof Frank Gaillard

Patient Data

Age: Adult

Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

MRI

An ovoid irregular signal-intensity intradural mass below the conus demonstrates heterogeneous enhancement. 

The most likely diagnosis is a myxopapillary ependymoma with a differential diagnosis of a schwannoma or a paraganglioma. 

Case Discussion

The patient went on to have a resection. 

Histology

Gross description:

The specimen is received in one container labeled with the patient's name and “intradural tumor”. It consists of fragments of membranous tissue with attached pink tan tissue fragments aggregating to 4.5 x 3 x 1 cm.

Microscopic description:

Sections show the specimen to consists of an ependymal tumor showing areas of perivascular pseudorosette formation, perivascular aggregates if mucin, areas of recent hemorrhage, prominent vasculature, and areas of hyaline degeneration.

Final diagnosis:

Myxopapillary ependymoma.

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