Fig. 1

Radiographic findings of the patient. A-B showed cerebral edema and subarachnoid hemorrhage by cranial CT in local hospital; C-D showed local edema and thickening of the ascending colon wall with peritoneal thickening by abdominal CT plain scans in our hospital; E–F showed aggravated cerebral edema and subarachnoid hemorrhage by CT One day later; G-H showed significantly aggravated cerebral edema and multiple subarachnoid hemorrhages by CT After 12 days; I showed fine contrast in the left transverse sinus, sigmoid sinus and the opposite side of the internal jugular vein, and less uniform local density of transverse sinusAfter 12 days; J ~ K showed alleviated cerebral edema and subarachnoid hemorrhage after 2 weeks