References
- Wright D. Nasopharyngeal and cervical chordoma: some aspects of their development and treatment. J Laryngol Otol 1967; 81: 1337–55
- Shugar J. M. A., Som P. M., Krespi Y. P., Arnold L. M., Som M. L. Primary chordoma of the maxillary sinus. Laryngoscope 1980; 90: 1825–30
- Popper J. L., King A. B. Chordoma: experience with thirteen cases. J Neurosurg 1952; 9: 139–63
- Perzin K. H., Pushparaj N. Non‐epithelial tumors of the nasal cavity, paranasal sinuses and nasopharynx. Cancer 1986; 57: 784–96
- Batsakis J. G., Kittleson A. C. Chordomas: otorhinolayngologic presentation and diagnosis. Arch Otol Laryngol 1963; 78: 168–75
- Evans R. W. Histological appearances of tumors. ES Livingstone, Edinburgh 1956; 102
- Heffelfinger M. J., Dahlin C. D., MacCarty C. S., Beabout J. W. Chordomas and cartilaginous tumors at the skull base. Cancer 1973; 32: 410–20
- Abenoza P., Sibley R. K. Chordoma: an immunohistologic study. Hum Pathol 1986; 17: 744–7