Sacrococcygeal chordoma: a case report. Fine needle aspiration cytologic and histopathologic findings.

A case of sacrococcygeal chordoma diagnosed by FNA in a man 66-year-old male is presented. Subsequent histologic examination confirmed the diagnosis. The cytologic criteria for differentiating chordoma from chondrosarcoma, mucinous metastatic adenocarcinoma and myxopapillary ependymoma are review. The main diagnostic findings of chordoma include the vacuolated cells and the presence of bland nuclear features.