Extraskeletal Ewing's sarcoma of the parotid region: a case report with the detection of the tumour's immunophenotypical characteristics.

A case report of a malignant small round cell tumour of the parotid region, with features of extraskeletal Ewing's sarcoma is presented. Besides its rare location in the soft tissues of the parotid area, the tumour expressed focal NSE and desmin immunoreactivity, indicative of multidirectional differentiation.