An ecchordosis physaliphora, a rare entity, involving the central nervous system: a systematic review of the literature

RK Gupta, TA Reddy, A Gupta, R Samant… - Neurology …, 2023 - mdpi.com
Ecchordosis physaliphora (EP) is a benign notochordal remnant, which is often an incidental
finding; however, it can rarely present with neurological symptoms. We performed a …

A rare case of multifocal chordoma involving the lower clivus and multiple spine levels: illustrative case

MB Alsavaf, EH Salem, BA Jawad… - … of Neurosurgery: Case …, 2023 - thejns.org
BACKGROUND Chordomas are rare bone tumors originating from notochord remnants with
a predilection for the median axis of the body, primarily in the sacrococcygeal spine, skull …