Schwannoma

Discussion:

The patient went on to have a resection. 

Histology

MICROSCOPIC DESCRIPTION: Sections show a spindle cell tumor demonstrating variable cellularity. Hypercellular (Antoni A) areas are composed of short fascicles of tumor cells with focal nuclear pallisading (Verocay bodies). Hypocellular areas (Antoni B) show loose edematous and fibrillary stroma. Tumor cells contain bland wavy nuclei. There are scattered thin walled hyalinised blood vessels present. No necrosis or mitoses are seen. There is no evidence of atypia or malignancy.

DIAGNOSIS: Spinal schwannoma.

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