BACKGROUND AND PURPOSE: Primary chordoma in the nasal cavity and nasopharynx is
an extremely rare tumor in the extraosseous axial skeleton. Unlike intracranial chordomas …

BACKGROUND AND PURPOSE: Chordoma is a relatively rare tumor of the skull base and
sacrum thought to originate from embryonic remnants of the notochord. Chordomas arising …

Primary chordoma of the nasopharynx is an extremely rare malignant tumor of notochordal
origin in the extra-osseous axial skeleton. It presents as a soft tissue mass without …

Chordomas are malignant, nonepithelial neoplasms derived from notochordal tissue. A
primary chordoma of the nasal cavities and paranasal sinuses is extremely rare compared …

While the nasopharynx is most commonly regarded by the otolaryngologist as a primary site
of neoplastic involvement, it is also an avenue of spread of base? of? the? skull tumors …

Background Chordomas are malignant neoplasms of the axial skeleton that have rarely
been seen in the cervical area. Methods A 55‐year‐old woman presented to our department …

Chordomas are uncommon neoplasms that arise from the embryonic remnants of the
notochord. They are classified into three groups depending on their anatomic location …

Background Chordomas are rare tumors derived from notochordal remnants. The authors
report on a series of three cases of primary familial oronasopharyngeal chordomas treated …

Chordoma is a rare malignant bone tumor that can arise anywhere along the central neural
axis and many involve head and neck sites, most commonly the skull base. The relative …

Chordomas are midline tumors of notochordal origin, occurring anywhere from the skull
base to the coccyx. Although one-third of chordomas occur in the spheno-occipital region, to …