“…But, spontaneous or non-traumatic intracranial EDHs are very rare. Main possible causes of this unusual phenomenon are infection from frontal sinusitis, maxillary sinusitis, otitis media and craniofacial infections, and coagulation disorders, vascular malformation of dura, and malignancy [7][8][9]11,18,19,21,27) . Intracranial hemorrhage from distant metastasis of primary cancer is rare and its incidence accounts for 0.9-11% 25) .…”