Author, year

Etiology

Godtfredsen, 1947

Nasopharyngeal tumour with cavernous sinus and retropharyngeal lymph node metastasis

Keane, 2000

· Clival chordoma

· Clival metastasis from prostate cancer

· Clival metastasis from pancreatic cancer

· Clival metastasis from ovarian Cancer

· ? Self-limited cranial polyneuropathy

Thapa, 2011

Clival metastasis from rectal adenocarcinoma

Amalnath, 2018

Retroclival subdural hematoma

Wai, 2022

Clival chondrosarcoma